Tag Archives: double helical gearbox

China Custom High Quality Double Stage Helical Gearbox F Series cvt gearbox

Product Description

F series Parallel Shaft-Helical Geared Motor Characteristics

1.Features:

High efficiency: 92%-94%;
Parallel output, compact structure, large output torque, smooth operation, low noise and long service life.
High precision: the gear is made of high-quality alloy steel forging, carbonitriding and hardening treatment, grinding process to ensure high precision and stable running.
High interchangeability: highly modular, serial design, strong versatility and interchangeability.

2. Technical parameters

Ratio	3.77-276.77
Input power	0.12-200KW
Output torque	3.5-21700N.m
Output speed	5-352rpm
Mounting type	Foot mounted, foot mounted with CZPT shaft, output flange mounted, hollow shaft mounted, B5 flange mounted with hollow shaft, foot mounted with hollow shaft, B14 flange mounted with hollow shaft, foot mounted with splined hole, foot mounted with shrink disk, hollow shaft mounted with anti-torque arm.
Input Method	Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor
Brake Release	HF-manual release(lock in the brake release position), HR-manual release(autom-atic braking position)
Thermistor	TF(Thermistor protection PTC thermisto) TH(Thermistor protection Bimetal swotch)
Mounting Position	M1, M2, M3, M4, M5, M6
Type	F37-F157
Output shaft dis.	25mm, 30mm, 35mm, 40mm, 50mm, 60mm, 70mm, 90mm, 110mm, 120mm
Housing material	HT200 high-strength cast iron from R37,47,57,67,77,87
Housing material	HT250 High strength cast iron from R97 107,137,147, 157,167,187
Heat treatment technology	carbonitriding and hardening treatment
Efficiency	92%-94%
Lubricant	VG220
Protection Class	IP55, F class

Starshine Drive

ZheJiang CZPT Drive Co.,Ltd,the predecessor was a state-owned military mould enterprise, was established in 1965. CZPT specializes in the complete power transmission solution for high-end equipment manufacturing industries based on the aim of “Platform Product, Application Design and Professional Service”.
CZPT have a strong technical force with over 350 employees at present, including over 30 engineering technicians, 30 quality inspectors, covering an area of 80000 square CZPT and kinds of advanced processing machines and testing equipments. We have a good foundation for the industry application development and service of high-end speed reducers & variators owning to the provincial engineering technology research center,the lab of gear speed reducers, and the base of modern R&D.

Our Team

Quality Control
Quality:Insist on Improvement,Strive for Excellence With the development of equipment manufacturing indurstry,customer never satirsfy with the current quality of our products,on the contrary,wcreate the value of quality.
Quality policy:to enhance the overall level in the field of power transmission
Quality View:Continuous Improvement , pursuit of excellence
Quality Philosophy:Quality creates value

3. Incoming Quality Control
To establish the AQL acceptable level of incoming material control, to provide the material for the whole inspection, sampling, immunity. On the acceptance of qualified products to warehousing, substandard goods to take return, check, rework, rework inspection; responsible for tracking bad, to monitor the supplier to take corrective
measures to prevent recurrence.

4. Process Quality Control
The manufacturing site of the first examination, inspection and final inspection, sampling according to the requirements of some projects, judging the quality change trend;
found abnormal phenomenon of manufacturing, and supervise the production department to improve, eliminate the abnormal phenomenon or state.

5. FQC(Final QC)
After the manufacturing department will complete the product, stand in the customer’s position on the finished product quality verification, in order to ensure the quality of
customer expectations and needs.

6. OQC(Outgoing QC)
After the product sample inspection to determine the qualified, allowing storage, but when the finished product from the warehouse before the formal delivery of the goods, there is a check, this is called the shipment inspection.Check content:In the warehouse storage and transfer status to confirm, while confirming the delivery of the
product is a product inspection to determine the qualified products.

7. Certification.
All our products get ISO & CE & UL certification.

Packing

Delivery

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Application:	Motor, Machinery, Agricultural Machinery, Ceramic
Hardness:	Hardened Tooth Surface
Installation:	90 Degree
Layout:	Shunting
Gear Shape:	Helical Gear
Step:	Double-Step

Customization:	Available \| Customized Request

helical gearbox

Installation and Alignment of Helical Gearboxes

Proper installation and alignment of a helical gearbox are essential to ensure its optimal performance and longevity. Here are the steps involved:

Preparation: Gather all necessary tools, equipment, and safety gear. Ensure the work area is clean and well-lit.
Mounting: Position the gearbox on the designated mounting surface and secure it using appropriate bolts. Follow the manufacturer’s guidelines for mounting torque and procedures.
Shaft Alignment: Use precision tools such as dial indicators to align the input and output shafts. Achieving accurate shaft alignment minimizes stress on the gears and bearings.
Bolt Tightening: Gradually and evenly tighten the mounting bolts, ensuring the gearbox remains properly aligned. Refer to torque specifications provided by the manufacturer.
Lubrication: Fill the gearbox with the recommended lubricant according to the manufacturer’s specifications. Proper lubrication is crucial for reducing friction and wear.
Alignment Check: After tightening the bolts, recheck the shaft alignment to ensure it hasn’t shifted during the tightening process.
Run-In Period: Gradually introduce load to the gearbox to allow the gears to seat properly. Monitor the gearbox for any unusual noises, vibrations, or temperature changes during this period.
Final Checks: Verify that the gearbox operates smoothly, without excessive noise or vibrations. Monitor the gearbox’s temperature during operation to ensure it remains within recommended limits.
Regular Inspection: Schedule periodic inspections to check for any signs of wear, misalignment, or leakage. Address any issues promptly to prevent further damage.

It’s important to follow the manufacturer’s installation and alignment guidelines specific to the helical gearbox model you’re working with. Improper installation and alignment can lead to premature wear, reduced efficiency, and potential failure of the gearbox.

helical gearbox

Impact of Thermal Expansion on Helical Gearbox Performance

Thermal expansion can significantly affect the performance of helical gearboxes due to changes in dimensions and clearances caused by temperature variations. Here’s how it impacts:

1. Misalignment: Temperature changes can lead to differential expansion of gearbox components. This can result in misalignment of gears, shafts, and bearings, leading to increased friction, noise, and reduced efficiency.

2. Lubrication: Thermal expansion can alter the clearances within the gearbox, affecting the distribution and viscosity of the lubricating oil. Inadequate lubrication due to temperature-induced changes can result in increased wear and premature failure.

3. Gear Tooth Engagement: Temperature fluctuations can cause gear teeth to expand or contract, affecting the meshing engagement and load distribution. Inconsistent gear tooth contact can lead to uneven wear and reduced gear life.

4. Bearing Performance: Bearings in helical gearboxes are sensitive to temperature changes. Excessive heat can lead to reduced bearing life, increased friction, and potential seizure, affecting overall gearbox performance.

5. Noise and Vibration: Thermal expansion can lead to changes in gear and component clearances, resulting in altered vibration patterns and increased noise levels. This can impact the comfort of the system and indicate potential issues.

6. Material Fatigue: Repeated cycles of thermal expansion and contraction can lead to material fatigue and stress accumulation, reducing the overall lifespan of gearbox components.

Managing Thermal Effects: Manufacturers design helical gearboxes with considerations for thermal expansion, using materials with low coefficients of thermal expansion and incorporating features like expansion joints or thermal isolators. Proper lubrication, monitoring temperature, and maintaining consistent operating conditions are also crucial in mitigating thermal expansion effects.

Understanding and managing the impact of thermal expansion is essential to maintain the performance, efficiency, and durability of helical gearboxes.

helical gearbox

Differences Between Helical Gearboxes and Spur Gearboxes

Helical gearboxes and spur gearboxes are two common types of gearboxes used in various applications. Here are the key differences between them:

Tooth Design: The main difference between helical and spur gearboxes lies in their tooth design. Helical gearboxes feature helical teeth that are cut at an angle to the gear axis, while spur gearboxes have straight-cut teeth that run parallel to the gear axis.
Engagement: Helical gearboxes offer a gradual and smooth engagement of teeth due to their helical tooth design. This results in reduced noise and vibration compared to spur gearboxes, which can have more abrupt and noisy tooth engagement.
Load Distribution: Helical gearboxes have a higher contact ratio between teeth at any given time, which leads to better load distribution across the gear teeth. Spur gearboxes, on the other hand, have fewer teeth in contact at a time, potentially leading to higher stress on individual teeth.
Efficiency: Helical gearboxes tend to be more efficient than spur gearboxes due to the helical tooth design, which reduces friction and energy losses during gear meshing. The gradual engagement of helical teeth contributes to this higher efficiency.
Noise and Vibration: Helical gearboxes generate less noise and vibration compared to spur gearboxes. The helical tooth design and smooth engagement help in reducing the impact of gear meshing on overall noise levels.
Applications: Helical gearboxes are commonly used in applications that require higher torque and smoother operation, such as heavy machinery, automotive transmissions, and industrial equipment. Spur gearboxes are suitable for applications with moderate loads and where noise considerations are not critical.

Overall, helical gearboxes offer advantages in terms of efficiency, load distribution, and noise reduction compared to spur gearboxes. However, the choice between the two depends on specific application requirements and factors such as torque, speed, space constraints, and noise considerations.

China Custom High Quality Double Stage Helical Gearbox F Series cvt gearbox
editor by CX 2024-05-14

China Professional Double Stage Ratio 16-100 ND 64mm Type Transmission Planetary Gearbox Helical Gearbox for Servo Motor, Desboer manufacturer

Product Description

The ND064A series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The ND series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: ND064A Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High torque
High load
ultra-precision
Small size

Detailed Photos

Product Parameters

Segment number	Double segment
Ratio	i	16	20	25	35	40	50	70	100


Rated output torque	Nm	45	45	55	45	45	55	45	35
Emergency stop torque	Nm	Three times of Maximum Output Torque
Rated input speed	Rpm	5000
Max input speed	Rpm	10000
Ultraprecise backlash	arcmin	/
Precision backlash	arcmin	≤5
Standard backlash	arcmin	≤7
Torsional rigidity	Nm/arcmin	13
Max.bending moment	Nm	125
Max.axial force	N	1050
Service life	hr	30000(15000 under continuous operation)
Efficiency	%	≥94%
Weight	kg	1.6
Operating Temperature	ºC	-10ºC~+90ºC
Lubrication		Synthetic grease
Protection class		IP64
Mounting Position		All directions
Noise level(N1=3000rpm,non-loaded)	dB(A)	≤58
Rotary inertia	Kg·cm²	0.03

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Certifications

Company Profile

DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.

About Research

In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.

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Application:	Motor, Machinery, Marine, Agricultural Machinery, CNC Machine
Function:	Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Plantery Type
Hardness:	Hardened Tooth Surface
Installation:	All Directions
Step:	Double-Step

Customization:	Available \| Customized Request

helical gearbox

Precision and High-Accuracy Applications of Helical Gearboxes

Helical gearboxes are well-suited for precision and high-accuracy applications due to their unique design and performance characteristics:

Helical Gearing: The helical gears in these gearboxes offer smooth and continuous meshing, resulting in reduced backlash and improved positioning accuracy.
Efficiency: Helical gearboxes are known for their high efficiency, which minimizes energy losses and heat generation. This is crucial for maintaining precision in applications where even small deviations can have significant impacts.
Noise and Vibration: The helical gear tooth engagement helps in reducing noise and vibration levels, making them suitable for environments where quiet operation is required.
Load Distribution: Helical gears distribute load across multiple teeth, minimizing localized wear and extending the lifespan of the gearbox.
Smooth Motion: Helical gearboxes provide smoother motion transitions, which is crucial in precision applications where jerky or sudden movements are undesirable.
Positional Accuracy: The reduced backlash and improved meshing characteristics of helical gears contribute to higher positional accuracy, making these gearboxes ideal for applications such as CNC machines, robotics, and medical equipment.
Compact Design: Helical gearboxes can achieve high gear ratios in a relatively compact form factor, making them suitable for applications where space is limited.

Examples of precision applications where helical gearboxes are commonly used include CNC machining, robotics, semiconductor manufacturing, medical equipment, and metrology devices. The combination of efficiency, smooth operation, and accuracy makes helical gearboxes a preferred choice for achieving consistent and reliable performance in such applications.

helical gearbox

Impact of Thermal Expansion on Helical Gearbox Performance

Thermal expansion can significantly affect the performance of helical gearboxes due to changes in dimensions and clearances caused by temperature variations. Here’s how it impacts:

6. Material Fatigue: Repeated cycles of thermal expansion and contraction can lead to material fatigue and stress accumulation, reducing the overall lifespan of gearbox components.

Understanding and managing the impact of thermal expansion is essential to maintain the performance, efficiency, and durability of helical gearboxes.

helical gearbox

Efficiency of Helical Gearboxes Compared to Other Gearbox Types

Helical gearboxes are known for their relatively high efficiency compared to some other gearbox types. Here’s a comparison of their efficiency with other common gearbox configurations:

Straight-Cut (Spur) Gearboxes: Helical gearboxes are generally more efficient than straight-cut gearboxes. The helical tooth design allows for smoother engagement and better load distribution, reducing friction and energy losses. This results in higher overall efficiency for helical gearboxes.
Bevel Gearboxes: Bevel gearboxes, which are commonly used for right-angle applications, typically have lower efficiency compared to helical gearboxes. The bevel gear design involves sliding contact between gear teeth, leading to higher friction and energy losses.
Worm Gearboxes: Helical gearboxes are generally more efficient than worm gearboxes. Worm gearboxes have a relatively lower efficiency due to the sliding action between the worm and the gear, resulting in higher friction and heat generation.
Planetary Gearboxes: Planetary gearboxes can offer comparable efficiency to helical gearboxes, especially when well-designed. However, planetary gearboxes can have variations in efficiency depending on factors such as the number of planet gears and gear arrangements.

While helical gearboxes tend to offer good efficiency, it’s important to note that efficiency can also be influenced by factors such as gear quality, lubrication, operating conditions, and maintenance practices. Consulting with gearbox manufacturers and considering specific application requirements is crucial when determining the most efficient gearbox solution.

China Professional Double Stage Ratio 16-100 ND 64mm Type Transmission Planetary Gearbox Helical Gearbox for Servo Motor, Desboer manufacturer
editor by CX 2024-04-04

China factory Desboer Helical Gear Planetary Nhk042-P2 Double Stage Gearbox for ≤ 400W-Ish Servo Motor cvt gearbox

Product Description

The NHK series is an economic version with a round body design, an integrated sun gear motor shaft design, and high-strength deep groove ball bearings. Mainly used in injection moulding robots, food packaging machines, filling machine lines, labelling machines, appliance production lines, non-metal processing equipment and many other industries.

Applicable industries:
Injection moulding robots, food packaging machines, filling machine lines, labelling machines, appliance production lines, non-metal processing equipment and many other industries.

Product Name: High Precision Planetary Gedarbox
Product Series:NHK Series
Features:High precision,low noise,light weight
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

Advantages:

High precision

Low noise

Light-weight

Detailed Photos

Product Parameters

Frame	modle	Ratio	Nominal	Maximum	Emergency	Nominal	Maximum	Permitted	Permitted axial load	Maximum	Maximum	Weight	Moment	Moment
Frame			output torque	output torque	stop torque	input speed	input speed	radial load	Permitted axial load	radial load	axial load	Weight	of inertia(≤Φ8)	of inertia(≤Φ14)
042			[Nm]	[Nm]	[Nm]	[rpm]	[rpm]	[N]	[N]	[N]	[N]	[KG]	[kgcm²]	[kgcm²]
	double	15	6	12	30	3000	6000	410	540	710	640	0.7	0.035	–
		16	9	18	35	4000	8000	420	550	710	640		0.038	–
		20	9	18	35	4000	8000	460	610	710	640		0.034	–
		25	9	18	35	4000	8000	490	640	710	640		0.038	–
		28	9	18	35	4000	8000	510	640	710	640		0.03	–
		30	6	12	30	4000	8000	520	640	710	640		0.034	–
		35	9	18	35	4000	8000	550	640	710	640		0.03	–
		40	9	18	35	4000	8000	570	640	710	640		0.034	–
		45	6	12	30	4000	8000	600	640	710	640		0.053	–
		50	9	18	35	4000	8000	620	640	710	640		0.03	–
		60	9	18	35	4000	8000	660	640	710	640		0.03	–
		70	9	18	35	4000	8000	690	640	710	640		0.03	–
		80	9	18	35	4000	8000	710	640	710	640		0.03	–
		90	6	12	30	4000	8000	710	640	710	640		0.03	–
		100	6	12	30	4000	8000	710	640	710	640		0.03	–

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Certifications

Company Profile

About Research

Application:	Motor, Machinery, Marine, Agricultural Machinery, CNC Machine
Function:	Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Plantery Type
Hardness:	Hardened Tooth Surface
Installation:	All Directions
Step:	Double-Step

Customization:	Available \| Customized Request

helical gearbox

Key Factors for Selecting a Helical Gearbox

Choosing the right helical gearbox for an application involves considering several key factors:

Load and Torque: Evaluate the maximum load and torque requirements to ensure the gearbox can handle the application’s demands.
Speed Range: Determine the required speed range and ensure the gearbox’s gear ratios can accommodate it.
Efficiency: Helical gearboxes are known for their high efficiency. Select a gearbox with efficiency ratings that meet your application’s needs.
Space Constraints: Consider the available installation space and choose a compact gearbox that fits within the available dimensions.
Mounting Position: The mounting position affects lubrication, cooling, and overall performance. Ensure the gearbox is suitable for the desired mounting orientation.
Service Life: Choose a gearbox with a service life that matches your application’s expected lifespan.
Backlash: Evaluate the allowable backlash, which affects precision and positioning accuracy.
Noise and Vibration: Assess the acceptable noise and vibration levels and choose a gearbox with suitable characteristics.
Environmental Conditions: Consider factors like temperature, humidity, and dust levels to ensure the gearbox can operate reliably in the application environment.
Maintenance: Factor in maintenance requirements and choose a gearbox with manageable maintenance needs.
Cost: Balance performance with budget constraints to find a gearbox that offers the best value for your application.

By carefully evaluating these factors, you can select a helical gearbox that optimally meets your application’s requirements and ensures efficient and reliable operation.

helical gearbox

Handling Shock Loads and Sudden Changes in Torque in Helical Gearboxes

Helical gearboxes are designed to handle a range of operational conditions, including shock loads and sudden changes in torque. The helical design of the gears, which have slanted teeth that engage gradually, helps to distribute forces more evenly across the teeth compared to straight-cut gears. This design characteristic contributes to the gearbox’s ability to withstand sudden changes in torque and shock loads.

The gradual engagement of the helical teeth results in smoother and quieter operation, reducing the impact of abrupt torque changes. The slanted teeth also allow for more gradual transmission of force, which helps in dampening vibrations and minimizing stress concentrations that can occur in high-impact situations.

However, while helical gears are better suited for shock loads compared to straight-cut gears, it’s important to note that extreme shock loads or sudden torque changes can still impact the gearbox’s components over time. Manufacturers often take factors such as application requirements, load profiles, and anticipated shock loads into consideration when designing helical gearboxes to ensure reliable and durable performance.

Additionally, using appropriate lubrication and maintenance practices can further enhance the gearbox’s ability to handle shock loads and sudden torque changes. Regular inspection and timely maintenance help identify and address potential issues before they lead to component failure.

helical gearbox

Industries Utilizing Helical Gearboxes

Helical gearboxes find widespread use in various industries due to their efficiency, smooth operation, and versatility. Some of the industries that commonly utilize helical gearboxes include:

Manufacturing: Helical gearboxes are employed in manufacturing processes for conveyor systems, material handling, and machine tools. Their ability to provide high torque and smooth motion makes them suitable for precision manufacturing.
Automotive: Automotive applications include power transmission in vehicles, especially in manual and automatic transmissions. Helical gearboxes contribute to improved fuel efficiency and smoother gear shifting.
Energy Generation: Helical gearboxes are used in power generation systems, such as wind turbines and hydroelectric generators. Their efficiency and load-bearing capacity are crucial for converting rotational motion into electrical power.
Construction: Construction equipment, such as cranes, excavators, and bulldozers, rely on helical gearboxes for efficient power transmission and control of heavy loads.
Mining: Mining operations use helical gearboxes in conveyors, crushers, and other equipment for material handling and ore extraction. The durability and high torque capacity of helical gearboxes make them suitable for demanding mining environments.
Marine: Marine vessels use helical gearboxes in propulsion systems to convert engine power into rotational motion for propellers. Their efficiency contributes to fuel savings and reliable marine operation.
Food and Beverage: Helical gearboxes are employed in food processing and packaging machinery due to their sanitary design and precise motion control.
Textile: Textile machinery relies on helical gearboxes for various processes, including spinning, weaving, and dyeing. Their ability to handle varying loads and provide smooth motion is beneficial in textile production.

The adaptability and efficiency of helical gearboxes make them a suitable choice for a wide range of industries, where reliable power transmission, smooth operation, and load-bearing capacity are essential.

China factory Desboer Helical Gear Planetary Nhk042-P2 Double Stage Gearbox for ≤ 400W-Ish Servo Motor cvt gearbox
editor by CX 2023-11-27

China supplier R Type Gear Units Reducer CZPT Shaft double reduction helical gearbox

Product Description

Technical Parameter

Housing material	HT200 high-strength cast iron(EWR37, EWR47, EWR57, EWR67, EWR77, EWR87)
Housing material	HT250 High strength cast iron(EWR97, EWR 107, EWR137, EWR147, EWR167)
Gear material	20CrMnTi
Gear Surface&hardness	HRC58°-62°
Gear core hardness	HRC33°-78°
Input/Output shaft material	40Cr
Gear Machining precision	Accurate grinding 6-5 grade
Heat treatment	Carburizing, Quenching etc
Efficiency	Up to 92%
Noise(Max)	60-67dB
Installation type	Foot mounted, flange mounted
Output type	Solid shaft
Bearing brand	NSK, SKF, HRB, ZWZ etc
Oil seal brand	NAK, KSK etc
Lubricant	VG220
Motor	IP55, F class
Motor shaft	40Cr, Carburizing, Quenching etc
Warranty	12months
Color	Blue, Grey

Model	EWR37	EWR47	EWR57	EWR67	EWR77	EWR87	EWR97	EWR107	EWR137	EWR147	EWR167
Weight	9	14	24	27	33	60	110	150	255	365	615
Shaft Ф	25mm	30mm	35mm	35mm	40mm	50mm	60mm	70mm	90mm	110mm	120mm

Packing

Features
♦Specially designed for agitator.
♦Compact structure, Integrated casting housing, low noise and long service life.
♦High efficiency and low maintenance.

Design
♦ Reducing Ratio: 2 stage 5~24.8, 3 stage 27.2~264, EWR/EWR combination type can be up to 18125.
♦ Mounting Type: Foot mounted, Flange mounted.
♦ Output Shaft: CZPT shaft.
♦ Efficiency: Two-stage96%, three-stage 94%, and combination of EWR/EWR85%.

Technical Data
♦Size EWR37-EWR167
♦ Output Torque 130~18000N. M
♦ Motor Power 0.18~160kw
♦ Ratio 5~264(imax: 18125)

Industrial Application
♦Power Plant Equipment
♦Metallurgical Industry
♦Metal Forming Machinery
♦Petrochemical Industry
♦Mining Machine
♦Hoisting Machinery
♦Construction Industry
♦Environmental Protection Industry
♦Cable Industry
♦Food Machinery

Certificates
Passed ” ISO 9001 International Quality System Certificate”, “Europe CE Certificate”, ” Swiss SGS Certificate”, “High-tech enterprise certificate of ZheJiang city”, “Excellent performance management enterprise of ZheJiang city”, etc.

FAQ
1. Q: Can you make as per custom drawing?
A: Yes, we offer customized service for customers.

2. Q: Are you a factory or trading company?
A. We are manufacturer in ZheJiang China.

3. Q: What’s your MOQ?
A: One piece.

4. Q: What’s your production time?
A: 7-15 working days after receiving payment.

5. Q: What’s your payment terms?
A: T/T, 30% payment in advance, 70% balance payment should be paid before shipping.

6. Q: What’s your package?
A: In wooden box packaging.

Company information
ZheJiang CZPT Gear Reducer Co., Ltd. We are professional manufacturer of the helical gear reducers and specialize in the gear reducers area in China for 20 years. CZPT has excellent R&D team, top-ranking production and test equipment. So we have the strong power in the developing and manufacturing the standards type as well as the customized type gear reducer for our customers.

Application:	Machinery
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Coaxial
Gear Shape:	Helical Gear
Step:	Three-Step

Customization:	Available \| Customized Request

helical gearbox

NVH Characteristics of Helical Gearbox

Typically, a helical gearbox is used in the transmission of torque, speed, or both. Its primary function is to rotate a circular machine part while simultaneously meshing with other toothed parts. It operates on the same principle as a lever.

Typical applications

Typical applications of helical gearboxes include conveyors, blowers, and elevators. They are also used in the construction of plastics and rubber. Their basic benefits include reduced vibration, lower noise levels, and high load carrying capacity. They are also known to be more durable and quiet than spur gears.
There are several factors that should be taken into consideration when choosing the right gear set for a particular application. These include power requirements, torque requirements, and the environment in which it will operate. Also, bearings and lubricants will need to be considered.
Helical gears are used for heavy load applications, as they provide a high load-carrying capacity. They also are less expensive than spur gears. However, their efficiency is lower than spur gears. This is due to the fact that helical gears have larger teeth. They also have a lower dynamic load than spur gears. This reduces wear and tear on the gears.
Helical gears are also used in high-speed applications. They can also be used with non-parallel shafts. They are typically chosen over spur gears for non-parallel applications. However, helical gears are prone to misalignment due to axial thrust. This can be corrected by adjusting the bearing position.
Helical gears can also be used as power transmitting gears. They are commonly used in transmissions in the automotive industry. They are also used in a wide range of other industrial applications. These include blowers, feeders, coolers, and conveyors. They can also be used in the food and oil industries.
The most common types of helical gearboxes are single and double helical gearboxes. Single helical gears have one helical section that is parallel to the axis. Those with a circular arc curved tooth are also available.

NVH characteristics

NVH characteristics of helical gearbox are a major consideration in the development of new driveline products. NVH can be quantified using wavelet analysis, order analysis and statistical energy analysis. These techniques are typically used in the frequency domain, but can also be used in the real time domain.
The most basic NVH method uses a modal analysis to quantify the transmission noise. Simplified models use sinusoidal stiffness variations, but can also be used to study special effects.
One of the most important aspects of NVH is the integrity of the signal chain. The signal chain is affected by the gear meshing impact and the main transmission housing excitation. The first step in quantifying NVH is to establish a signal chain. This can be done by comparing the signals that are recorded on an analog to digital converter or hard disk. Then, using fast Fourier transforms, signals are converted from the time domain into the frequency domain.
For NVH analysis, it is important to obtain a representative prototype of the production vehicle. This is necessary early in the design phase, as changes to the final product often require substantial design modifications.
For helical gearboxes, the main benefit of reverse module configuration is that the radial type gearbox is more economical to produce. The radial type gearbox uses the same tooth-cutting tools as a spur gear, but can be produced more economically.
The basic characteristics of helical gears are that they have more surface contact and are more powerful in their carrying capacity. Because of this, the helical gearbox is typically used for high-load applications. However, helical gearboxes tend to produce lower efficiencies than spur types.
Thermal deformation of bearings can also change NVH characteristics of a helical gear transmission system. In this study, the effects of bearing temperature rise on the nonlinear dynamic characteristics of a helical gear system are investigated. helical gearbox

Helix

Compared to conventional gears, helical gears have more surface contact and produce less noise. These gears are a great choice for home and light industrial applications, especially where high-efficiency is required.
Helical gears produce axial thrust force through a special lubricant. They are used in different industries, such as automotive, oil, food, plastic, and textile. They are also used in blowers, feeders, and geared motors.
In helical gears, there is a special tooth at an angle to the axis of rotation. This tooth retains contact while the gear rotates into full engagement. Typically, the angle between the helix and the axis of rotation is 15 to 30 degrees. This angle is important for determining the number of teeth.
Compared to a straight cut gear, a helical gear has a higher power to weight ratio. This means that the helical gear can accommodate a higher load.
Helical gears are typically paired, with each gear containing a v-shaped tooth. The v-shaped tooth is designed to allow for a greater contact ratio, while maintaining an acceptable minimum amount of bottom clearance. However, the tooth tip may fracture if it is too thin.
A mathematical definition of the helix angle is important for the design of a helical gear. The helix angle is defined in the section on geometry of helical gear teeth.
The angle between the helix and the axial axis of rotation is used to calculate the axial contact ratio of a gear. This ratio is defined as the sum of the total number of contact lines, or teeth. If the overlap ratio of a gear pair is zero, then the axial contact ratio is also zero.
A helical gearbox can be a highly efficient transmission system, but may suffer from transmission error. This is the result of the axial thrust force, which is dissipated when it enters contact with an opposing tooth. To minimize the amount of power loss in a helical gear box, several approaches have been developed.

Transverse and normal planes of the teeth

Generally, helical gear teeth have two planes: the transverse and normal planes. The normal plane is perpendicular to the pitch plane. The transverse plane is perpendicular to the axial plane.
When a tooth is in contact, the load is normal to the surface at the contact point. This is known as the pressure angle. This angle is a function of the tooth’s radial position on the shaft axis. The angle can also be used to describe the shape of a tooth.
In helical gears, the normal pressure angle is the angle of the load line into the plane normal to the tooth axis. It is important to know the pressure angle when calculating the forces in a helical gear pair. This angle is usually between 15 and 30 degrees.
The helical gearbox is the most widely used gearbox. It consists of a set of helical gears connected by parallel shafts. It is also used in blowers, textile, sugar, and marine applications. It has a higher contact level and less vibration than conventional gears.
Helical gears can be used in feeders, blowers, and rubber and plastic applications. They are quieter than conventional gears, which is especially important in the food industry. They also transfer larger loads. They are also durable and can be used in blowers.
Helical gears have a slanted tooth trace. They are less noisy than conventional gears, which makes them ideal for marine applications. They also transmit rotation smoothly. They have an effective axial thrust force and transmit less vibration. They are used in many industrial applications, including the oil industry and the food industry.
Helical gears on non-parallel shafts have two major circles: the pitch circle and the root diameter. These circles can be different, so different tooth shapes can be used in the radial module system. helical gearbox

Impact of external thrust on helical gears

Considering that gearboxes are often a key component of power transmissions, the impact of external thrust on gearboxes has been investigated. This paper presents a theoretical model, accompanied by experimental measurements. In particular, this paper focuses on the effects of the thrust collar on the transfer path.
The thrust collar has been successfully proven to reduce the axial thrust between helical gears. It also reduces the acoustic impact of the gearbox by attenuating the radiated sound power. This has been accomplished by incorporating a sound damping mechanism that includes Rayleigh damping. The oil film that surrounds the thrust collar is another damping element.
In addition to reducing gearbox vibration, the oil film damping may attenuate coupled degrees of freedom. To test this, a theoretical model of a gearbox equipped with a thrust collar was developed. This model was then used in a gearbox dynamics simulation model to analyze the effects of the thrust collar on the transferpath.
The first partial model shows how the oil film and the radiated sound power could alter the acoustic performance of a gearbox. In particular, the sound pressure levels of exciting frequencies are compared at the top cover of the gearbox in the vertical direction. This was done using an accelerometer.
The second partial model is a simulation of airborne sound from the gearbox housing. This is done using the compound of the motor excitation and the meshing excitation. This is done by measuring the frequency of radiated sound at four different combinations of torque and speed.
In addition, the helical gear has been sliced into an arbitrary number of cross sections. Each gear is then mounted on a shaft, which rotates with a different timing. The helical gear is compared to a corresponding spur gear for comparison. The spur gear has a higher root stress, but its relative contact stress isn’t nearly as big as that of the helical gear.
China supplier R Type Gear Units Reducer CZPT Shaft double reduction helical gearbox
editor by CX 2023-11-15

China Standard Gear Rack M1.5 17171000mm C45 Spur or Helical double stage helical gearbox

Product Description

Steel Gear racks:

Our steel gear racks,CNC gear racks,gear racks M1,racks and pinion steering gears are exported in big quantity to Europe,America,Australia,Brazil,South Africa, Russia etc.There are standard gear racks available and also special gear racks as per your drawings or samples.Standard and special gear racks are all produced by CNC machines.

Gear rack

Note of steel gear racks

1. Material: Carbon steel, stainless steel, aluminium alloy, plastic, brass etc.

2. Module: M1, M1.5, M2, M3, M4, M5, M6, M7, M8 etc.

3. The pressure angle: 20°.

4. Surface treatment: Zinc-plated, Nickle-plated, Black-Oxide, Carburizing, Hardening and tempering,

nitriding, high frequency treatment etc.

5. Production Machines: Gear shaper, hobbing machine, CNC lathe, milling machine, drilling machine,

grinder etc.

6. Heat treatment carburizing and quenching.

7. Surface disposal: forced shot-peening.

Data sheet

Specification LxWxH(mm)	Material	Module
1005x8x30	A3 STEEL C45 STEEL Stainless Steel	4
1005x9x30		4
1005x10x30		4
1005x11x30		4
1005x12x30		4
1002x12x30		4
1004x12x30		4
1005x15x30		4
1005x20x20		4
1005x22x22		4
1005x25x25		4
1005x30x30		6
1004x8x40		5

Our Main Products:

1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate;

2. Forging, Casting, Stampling Part;

3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;

4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.;

5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling,
Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;

6. Shaft Collars: including Setscrew Type, Single Split and Double Splits;

7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.

8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.

OUR COMPANY

ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.

After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.

MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.

Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.

OUR FACTORY

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory.

Q: How long is your delivery time?

A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.

Q: Do you provide samples ? is it free or extra ?

A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: What is your terms of payment ?

A: Payment=1000USD, 30% T/T in advance ,balance before shippment.

We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Hardness:	Hardened Tooth Surface
Gear Position:	Standard and Custom
Manufacturing Method:	Cast Gear
Toothed Portion Shape:	Spur Gear
Material:	Stainless Steel

Samples:	US$ 1/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

Why Choose a Helical Gearbox?

Choosing a helical gearbox is an important decision for any machine builder. It can help you to reduce maintenance costs, improve productivity and efficiency, and ensure that your equipment operates quietly and efficiently. In addition, it can also be compact in size and easy to install.

High productivity and efficiency

Compared to spur gears, helical gears have high productivity and efficiency. This is due to the fact that the helical gearbox is more effective at transferring power between right-angle configurations. Helical gears are also quieter. They also have the ability to tolerate a greater load. These gears are usually used in high-load applications, such as automotive transmission applications.
The basic features of helical gears include a slanted tooth face, a larger contact ratio, and a smoother performance. Helical gears are also less expensive than spur gears. They have more power carrying capacity, longer life, and are easier to maintain.
There are many factors that affect the efficiency of helical gearboxes. Some of them include the number of stages, reduction ratio, ambient conditions, and lubrication. They are also affected by the number of teeth.
Power loss in helical gears is mainly due to friction and heat. There are various approaches to minimize these losses. One approach is to analyse power losses using a numerical method.
Other factors that affect the efficiency of helical systems include speed, noise, and the number of teeth. The amount of power lost in gear mating is dependent on the load.

Low power consumption

Compared to other types of gearboxes, helical gearboxes have low power consumption. This is because they can tolerate more load, conduct smooth performance, and are quieter. They also require less oil changes and have a longer life span.
Helical gears have special teeth that are cut at an angle. The teeth are designed to engage gradually, rather than quickly. They can transfer power between parallel configurations and right-angle configurations.
Helical gearboxes are the most widely used gearboxes. They are also the most efficient. They can work at 98% efficiency. However, they are more expensive than spur gears. They can be packaged with oil-filled housings. They have less noise and require less maintenance. They can operate cooler, and have more torque capacity.
Helical gearboxes have two types: single and double helical gears. In the single type, the gears are perpendicular to the axis. They are usually used in automotive transmission applications. They can also be used in forward velocities. In the double type, the helical faces are next to each other.
Helical gears work at higher ratios, which increases their efficiency. They are also less noisy than spur gears. They are a good choice for applications that require high torque capacity. The basic efficiency of helical gearboxes ranges from 90% to 99.5%. They are also easier to operate and have a longer life span. They are suited to a wide range of applications.

Compact in size

Having a shiny new set of wheels is a nice change of pace. You get to sit in style and you get to drive it like the pro. The trick is finding the right one at the right time. Fortunately, there are plenty of companies who know how to build a high quality car that can be afforded by the average Joe. You’ll find all types of cars from sports coupes to hatchbacks. You’ll also find all types of drivers from the young professional to the seasoned veteran. You’ll also find all types of roads from main streets to back roads. There are even all types of parking spaces to choose from. With a bit of planning and some research, you’ll find the perfect fit for you and your family. You can’t help but wonder why you didn’t choose a vehicle with this many perks sooner. It’s a nice way to spend a night on the town, without having to worry about a parking fee. The next time you’re in the mood to take the family out to the country for a weekend in the great bluffs, you’ll know which ones to avoid.

Noise-free operation

Compared to spur gears, helical gears have better speed capability and quieter operation. However, helical gearboxes often have problems that stop their service. These faults result in increased productivity costs. These problems include fatigue, chipping tip, crack and missing tooth.
In this paper, we propose a novel signal processing scheme to detect gearbox faults at constant speed. The method involves the use of spectral subtraction (SS) to remove the spectral noise of a signal. This approach is widely used in speech signal processing. It is also used to estimate real-time noise information. The method was successfully applied to the analysis of gearbox faults.
The spectral subtraction technique is applied to the transmission error and to the side-band frequency feature. The side-band frequency is equal to the rotation frequency of the input shaft. A square envelope spectrum method is used to obtain the spectral feature. It was then used to obtain the corresponding fault signal. The method is then compared with experimentally measured noise data.
It is also important to note that the side-band feature is not stable in different noise levels. The optimal demodulation subband selection method is not obvious. However, the proposed method can obtain a stable amplitude value when SNR is low.
Another important factor that reduces noise is the overlap ratio. The overlap ratio is the sum of the transverse contact ratio and the face contact ratio. When the overlap ratio approaches one, the noise is minimized.

Improved performance at high speeds

Whether used in an industrial, automotive or power generation application, helical gearboxes provide a number of benefits over traditional spur gearing systems. These advantages include reduced noise, higher load capacity and smoother operation.
In an effort to reduce noise and improve performance at high speeds, Parker engineers developed a helical gearbox that runs quieter and produces 30-40% more torque than a conventionally modified gear. They also redesigned the entry and exit points of the gear tooth for increased efficiency and strength.
The high-speed helical geartrain has been tested at 5,000 hp power. The tests were performed in the High-Speed Helical Geartrain Test Facility at the NASA Glenn Research Center. The tests were conducted at four different design configurations and at multiple input shaft speeds. These tests included temperature increases from inlet to outlet, fling off temperatures, and power loss of the helical system.
The first step was to improve load distribution of the gear pair. This is done by modifying the microgeometry of each gear. In addition to modifying the microgeometry of each tooth, the length of the contact line was extended. This resulted in a higher tooth contact ratio.
Another option is to modify the straddle-mounted pin of the PGS. This is a complicated task because of spatial constraints. In order to determine whether the pin will have the desired effect, it needs to be tested in real-world tests. helical gearbox

Reduce maintenance costs

Compared to spur gears, helical gears have several advantages, such as less noise and vibration, greater load carrying capacity, and longer life. They also have a reduced maintenance cost.
Helical gears can be divided into two main types: single helical and crossed axis helicals. In the single helical type, two or three teeth connect at all times.
In crossed axis helicals, the shafts are inclined at a variety of angles. These gears are primarily used in non-perpendicular transmissions. They can have very low load carrying capacity, but they offer better strength and speed reduction than spur gears.
The double helical type has two mirrored rows of teeth that are angled. This type of gear is also known as a herringbone gear. It’s a design that’s ideal for non-perpendicular transmissions.
Helical gears are packaged in oil filled housings. They are a space saving gear reducer. They are used in automobile transmissions and other forward speeds. They are also used in industrial gearboxes.
Helical gears can be made of either solid or semi-solid materials. They can be sliced into an arbitrary number of cross sections. This allows the helix to be adjusted to suit the application.
It’s important to choose the right gear for your application. The gear’s design may include the number of teeth, lubricant type, surface treatment, and the tooth angle. It’s also important to choose the right lubricant, because it can affect the noise levels and the efficiency of the gear.
China Standard Gear Rack M1.5 17*17*1000mm C45 Spur or Helical double stage helical gearbox
editor by CX 2023-10-23

China Good quality Desboer Servo-Use High Precision High Torque Low Backlash Helical Gear Double Stage-P1 Ne 205 Planetary Gearbox synchromesh gearbox

Product Description

NE series planetary reducer output end is a round body. Its internal structure mainly adopts the sun gear input shaft one-piece design, and output one-piece structure design. Use high-strength specialized bearings to make the product with high load, high precision, and low noise. NE070 series focuses on the uses of automation equipment, various types of packaging, printing, lithium-ion, LCD, robots, palletizers, woodworking, doors and windows, and other industry sectors.

Product Name: High Precision Planetary Gearbox
Product Series: NE070 Series
Features:High precision,high load,l ow noise
Product Description:
Integrated design concept with high-strength bearings ensures the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

Advantages:

High Precision
High load
Low noise

Detailed Photos

Product Parameters

Segment number	Double segment
Ratio	i	15	20	25	30	35	40	45	50	60	70	80	90	100


Rated output torque	Nm	550	990	1140	1040	1040	950	850	1140	1040	1040	950	850	850
Emergency stop torque	Nm	Three times of Maximum Output Torque
Rated input speed	Rpm	3000
Max input speed	Rpm	6000
Ultraprecise backlash	arcmin	≤3
Precision backlash	arcmin	≤5
Standard backlash	arcmin	≤7
Torsional rigidity	Nm/arcmin	145
Max.bending moment	Nm	13050
Max.axial force	N	7250
Service life	hr	20000(10000 under continuous operation)
Efficiency	%	≥94%
Weight	kg	35
Operating Temperature	ºC	-10ºC~+90ºC
Lubrication		Synthetic grease
Protection class		IP64
Mounting Position		All directions
Noise level(N1=3000rpm,non-loaded)	dB(A)	≤67
Rotary inertia	Kg·cm²	7.42							7.03

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Certifications

Company Profile

About Research

Application:	Motor, Machinery, Marine, Agricultural Machinery, CNC Machine
Function:	Change Drive Torque, Speed Changing, Speed Reduction
Layout:	Plantery Type
Hardness:	Hardened Tooth Surface
Installation:	All Directions
Step:	Double-Step

Customization:	Available \| Customized Request

helical gearbox

Comparison of Helical Gearboxes and Bevel Gearboxes

Helical gearboxes and bevel gearboxes are both widely used for power transmission in various industrial applications. Here’s a comparison of their performance:

Gear Meshing: Helical gearboxes use helical gears with inclined teeth that gradually engage, resulting in smoother and quieter operation compared to the more abrupt engagement of straight-cut bevel gears.
Efficiency: Helical gearboxes generally offer higher efficiency due to their helical gear design, which distributes loads evenly across the teeth. Bevel gearboxes can have slightly lower efficiency due to the sliding action of gear teeth during engagement.
Load Capacity: Helical gearboxes can handle higher loads and torque due to the larger contact area of the gear teeth. Bevel gearboxes are suitable for moderate loads and applications where the direction of power transmission needs to be changed.
Space Efficiency: Bevel gearboxes are often more compact and suitable for applications where space is limited and a change in direction is required. Helical gearboxes may require more space due to the parallel shaft arrangement.
Noise and Vibration: Helical gearboxes generate less noise and vibration compared to straight-cut bevel gearboxes. Bevel gearboxes can be noisier, especially at higher speeds.
Application: Helical gearboxes are commonly used in applications requiring smooth and efficient power transmission, such as conveyors, pumps, and mixers. Bevel gearboxes are preferred for applications where changes in direction are necessary, such as in automotive differentials and printing presses.

Ultimately, the choice between helical and bevel gearboxes depends on the specific requirements of the application, including load capacity, space constraints, efficiency goals, and the need for directional changes in power transmission.

helical gearbox

Impact of Thermal Expansion on Helical Gearbox Performance

Thermal expansion can significantly affect the performance of helical gearboxes due to changes in dimensions and clearances caused by temperature variations. Here’s how it impacts:

6. Material Fatigue: Repeated cycles of thermal expansion and contraction can lead to material fatigue and stress accumulation, reducing the overall lifespan of gearbox components.

Understanding and managing the impact of thermal expansion is essential to maintain the performance, efficiency, and durability of helical gearboxes.

helical gearbox

Handling High Torque and Heavy Loads in Helical Gearboxes

Helical gearboxes are well-suited for handling high torque and heavy loads due to their unique design and meshing characteristics:

Helical Teeth: The helical shape of the gear teeth allows for gradual and continuous contact between the teeth during meshing. This results in smoother load distribution and reduced impact forces, making helical gears capable of handling heavy loads.
Multiple Tooth Contact: Helical gears have multiple teeth in contact at any given time, spreading the load over a larger area of gear teeth. This helps to distribute the load evenly and prevent localized wear and stress concentrations.
Increased Tooth Strength: The inclined orientation of helical gear teeth increases the tooth width, leading to greater tooth strength and improved load-carrying capacity.
Bearings and Shaft Design: The gearbox housing is designed to support heavy loads and provide proper alignment for the shafts and bearings. High-quality bearings and shafts help distribute the load and reduce wear.
Lubrication: Adequate lubrication is crucial to minimize friction and heat generation between gear teeth. Proper lubrication also helps to dissipate heat generated by the heavy loads.
Material Selection: High-strength materials with good wear resistance properties are chosen for helical gears to ensure they can withstand the demands of heavy loads.

Overall, the gradual engagement of helical gear teeth and their ability to handle multiple tooth contact positions them as a reliable choice for applications that require high torque and can handle heavy loads. Engineers carefully design helical gearboxes to ensure they can withstand the stresses imposed by the application’s specific requirements.

China Good quality Desboer Servo-Use High Precision High Torque Low Backlash Helical Gear Double Stage-P1 Ne 205 Planetary Gearbox synchromesh gearbox
editor by CX 2023-10-23

China supplier Desboer Nb142 Series Double High Precision Standard Backlash High Torque High Rigidity Helical Gear Planetary Gearbox for Servo Motor. with Best Sales

Product Description

NB142 series adopts the design of integrating its sun gear and input shaft, the design of integrating its output structure. Using high- strength bearing, the product itself is characterized by high load, high precision, and low noise, focusing on the use of automation equipment, various types of packaging, printing, lithium-ion, LCD screens, robots, palletizers, woodworking, doors and windows and other industry sectors.

Product Name: High Precision Planetary Gearbox
Product Series: NB142 Series
Product features: high precision, high load, low noise.
Product Description:
Integrated design concept with high strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimises power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years

Our Advantages

High precision
High load
Low noise

Detailed Photos

Product Parameters

Segment number	Double segment
Ratio	i	15	20	25	30	35	40	45	50	60	70	80	90	100


Rated output torque	Nm	320	510	610	570	520	470	420	610	570	520	470	420	420
Emergency stop torque	Nm	Three times of Maximum Output Torque
Rated input speed	Rpm	3000
Max input speed	Rpm	6000
Ultraprecise backlash	arcmin	≤3
Precision backlash	arcmin	≤5
Standard backlash	arcmin	≤7
Torsional rigidity	Nm/arcmin	50
Max.bending moment	Nm	9400
Max.axial force	N	4700
Service life	hr	20000(10000 under continuous operation)
Efficiency	%	≥94%
Weight	kg	17.5
Operating Temperature	ºC	-10ºC~+90ºC
Lubrication		Synthetic grease
Protection class		IP64
Mounting Position		All directions
Noise level(N1=3000rpm,non-loaded)	dB(A)	≤65
Rotary inertia	Kg·cm²	2.71								2.57

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Application:	Motor, Machinery, Marine, Agricultural Machinery
Hardness:	Hardened Tooth Surface
Installation:	All Direction
Layout:	Planetary Gearbox
Gear Shape:	Helical Gear
Step:	Double-Step

Customization:	Available \| Customized Request

helical gearbox

Handling High Torque and Heavy Loads in Helical Gearboxes

Helical gearboxes are well-suited for handling high torque and heavy loads due to their unique design and meshing characteristics:

Helical Teeth: The helical shape of the gear teeth allows for gradual and continuous contact between the teeth during meshing. This results in smoother load distribution and reduced impact forces, making helical gears capable of handling heavy loads.
Multiple Tooth Contact: Helical gears have multiple teeth in contact at any given time, spreading the load over a larger area of gear teeth. This helps to distribute the load evenly and prevent localized wear and stress concentrations.
Increased Tooth Strength: The inclined orientation of helical gear teeth increases the tooth width, leading to greater tooth strength and improved load-carrying capacity.
Bearings and Shaft Design: The gearbox housing is designed to support heavy loads and provide proper alignment for the shafts and bearings. High-quality bearings and shafts help distribute the load and reduce wear.
Lubrication: Adequate lubrication is crucial to minimize friction and heat generation between gear teeth. Proper lubrication also helps to dissipate heat generated by the heavy loads.
Material Selection: High-strength materials with good wear resistance properties are chosen for helical gears to ensure they can withstand the demands of heavy loads.

Overall, the gradual engagement of helical gear teeth and their ability to handle multiple tooth contact posi helical gearbox

Helical Gearboxes and Energy Efficiency

Helical gearboxes play a significant role in enhancing energy efficiency in various industrial processes. Their design and operating characteristics contribute to improved efficiency and reduced energy consumpti

Precision and High-Accuracy Applications of Helical Gearboxes

Helical gearboxes are well-suited for precision and high-accuracy applications due to their unique design and performance characteristics:

Helical Gearing: The helical gears in these gearboxes offer smooth and continuous meshing, resulting in reduced backlash and improved positioning accuracy.
Efficiency: Helical gearboxes are known for their high efficiency, which minimizes energy losses and heat generation. This is crucial for maintaining precision in applications where even small deviations can have significant impacts.
Noise and Vibration: The helical gear tooth engagement helps in reducing noise and vibration levels, making them suitable for environments where quiet operation is required.
Load Distribution: Helical gears distribute load across multiple teeth, minimizing localized wear and extending the lifespan of the gearbox.
Smooth Motion: Helical gearboxes provide smoother motion transitions, which is crucial in precision applications where jerky or sudden movements are undesirable.
Positional Accuracy: The reduced backlash and improved meshing characteristics of helical gears contribute to higher positional accuracy, making these gearboxes ideal for applications such as CNC machines, robotics, and medical equipment.
Compact Design: Helical gearboxes can achieve high gear ratios in a relatively compact form factor, making them suitable for applications where space is limited.

on. Here’s how helical gearboxes achieve energy efficiency:

Helical Gear Meshing: Helical gears have inclined teeth that engage gradually, resulting in smoother and quieter meshing compared to other gear types. This smoother engagement reduces impact and friction losses, leading to higher efficiency and lower energy consumption.
Load Distribution: Helical gears distribute the load across multiple teeth due to their helix angle. This even load distribution minimizes stress concentrations and prevents premature wear, ensuring efficient power transmission and reducing the need for frequent maintenance.
Efficient Power Transmission: The inclined tooth profile of helical gears allows for more teeth to be in contact at any given time. This increased contact area improves power transmission efficiency by reducing sliding friction and minimizing energy losses.
Reduced Vibration: The helical tooth engagement minimizes vibration and noise levels, which can be particularly advantageous in applications that require precise and stable operation. Reduced vibration translates to lower energy losses and increased overall efficiency.
Optimized Gear Design: Engineers can fine-tune helical gear designs by adjusting parameters such as helix angle, number of teeth, and gear materials. This optimization process helps tailor the gearbox for specific applications, ensuring optimal efficiency and minimal energy wastage.
Lubrication and Cooling: Proper lubrication and cooling strategies are crucial for maintaining efficiency. Helical gears benefit from efficient lubrication due to their continuous tooth engagement, which helps reduce friction and wear, further enhancing energy efficiency.
Advanced Manufacturing: Modern manufacturing techniques enable precise production of helical gears, ensuring tight tolerances and accurate tooth profiles. This manufacturing precision contributes to minimal energy losses during gear operation.

Overall, helical gearboxes excel in energy efficiency by combining smoother tooth engagement, even load distribution, reduced vibration, and optimized designs. Their ability to transmit power efficiently and reliably makes them a preferred choice for industrial processes where energy conservation is a priority.

tions them as a reliable choice for applications that require high torque and can handle heavy loads. Engineers carefully design helical gearboxes to ensure they can withstand the stresses imposed by the application’s specific requirements.

China supplier Desboer Nb142 Series Double High Precision Standard Backlash High Torque High Rigidity Helical Gear Planetary Gearbox for Servo Motor. with Best Sales
editor by CX 2023-09-01

China 100L to 10000L Dry powder horizontal ribbon blender double helical industrial flour paddle mixer mixing blending machine gearbox engine

Mixer Type: Ribbon
Barrel Volume (L): 500
Material Processed: Plastics, Chemicals, Food
Max. Loading Volume (L): 300 L
Range of Spindle Speed(r.p.m): 65 – 66 r.p.m
Max. Loading Capacity: 300Kg
Weight (KG): 955 KG
Material: SUS304, SUS316L
Condition: New
Product Type: Detergent Powder
Application: Powder, Food Chemical Powder Processing
Additional Capabilities: Drying
Voltage: 380V
Dimension(L*W*H): 1975x1059x1120mm
Power (kW): 5.5 kW
Warranty: 2 years
Key Selling Points: Long Service Life
Applicable Industries: Farms, Building Material Shops, Manufacturing Plant, Retail, Energy & Mining, Food Shop, Food Industry, Chemical, Pharmaceutical, Daily Chemical
Showroom Location: Canada, Turkey, United Kingdom, United States, Germany, Philippines, Brazil, Peru, Pakistan, Mexico, Russia, Spain, Thailand, Argentina, Chile, Professional Manufacture Stainless Steel Swivel Pulley Single Sheave Pulley Sri Lanka, Uzbekistan, Uruguay
Marketing Type: Ordinary Product
Machinery Test Report: Provided
Video outgoing-inspection: Provided
Warranty of core components: 2 years
Core Components: Motor, Gearbox, Bearing, Engine
Local Service Location: Pakistan,Turket,United State,Germany,Brazil
RPM: Local Service
Max Mixed amount batch(kg): 300
Equipped power: 5.5KW
Name: Model WLDH ribbon mixer
Diacharge Outlet: 350×120
Net Weight(kg): 955
Heating/Cooling Function: Yes by jacket
Spray Liquid Function: Yes
Packaging Details: inner Packing: Stretch FilmOutside Packing: Exported Wooden Case
Port: China seaport

Product Overview WLDH horizontal lithium battery powder ribbon mixer can be used for the materials mixing production in food, medicine, lithium battery powder , chemical plastic, dyestuff and cosmetic etc industries to mix solid-solid(powder and powder),solid-liquid(powder and liquid), especially, suit for mixing the material adhesive or containing coherent powder articles and that powder articles material which is added with more liquid(or pasty material) and features a quick mixing speed, a high precision, non-blind mixing area, a great filling coefficient, stable movement, sealed operation, without pollution to the environment, quick and clear discharge without residue, easy to use and maintenance PRODUCT SPECIFICATIONS

Model No.

WLDH0.1

WLDH0.5

WLDH1

WLDH3

WLDH6

WLDH8

WLDH10~30

Max Work Volume

60L

300L

600L

1800L

3600L

4800L

6000-18000l

RPM

23/17

Motor Power

2.2

5.5

55/110

Overall SizeLDH0.1~20cbm

1.08X0.758X0.615 ~ 8.5X2..8X3.3M

Net Weight/KG

330

955

1400

3300

5300

6800

8900/16000

Discharge/mm

100

350*120

360*120

360*130

500*120

700*120

700/140

Details Photos Complete Set of Ribbon MixerOne complete Ribbon Mixer has include Auto Screw Powder Feeder , Main Ribbon Mixer Chamber, Discharge Screw Conveyor and Sieve . Full sealed and automatically. Also ensure safe during mixing job. Photo DescriptionAbove photo are the RIBBON inside the chamber,it can realize mix from 2 direction for the powder. Powder can be blend very well. Even you add some liquid into it . If your powder need to be heated or cooling during mixing, Luminous Couples Bracelets 12 Horoscope Glass Cabochon Zodiac CZPT Braided Punk Black Leather Woven Bangle Constellaton Jewelry we can add another layer as JACKET of main body. One 200L Using in a Food Factory for feeding the bag Packing MachineProduct is kind of Condiment PowderThis Ribbon Mixer has equipped with 1 screw feeder and screw discharge,then connect with packer machineSealed and full automatic packing line Recommend Products Company Profile Sinoped Technology (ZheJiang ) Co., Ltd. (Sinoped) is a professional supplier of pharmaceutical machinery. It integrates develop, manufacture, sales, after-sale services as a whole, being a professional supplier for drying equipment, ribbon mixing equipment, granulation equipment,pulverizer machine and clean room etc. SINOPED has passed the Occupational health and Safety Management System Conforms to the standard CE,SGS,GMP.As the members of China National Standardization technique Committee for pharmaceutical Equipment,testified by experience of long-term users, our products have very high stability and reliability, which have been sold to more than 160 foreign countries like Asian, African,European, American. Sinoped have established long-term business relations with customers and some of them already cooperated as agent in their countries. For many years, we`re stick to the principle of “Customers First” taken the initiative to manage customers` demands, to develop and research high-quality pharmaceutical equipment, set up a perfect after-sale service system, and brought up the concept of” Star service” The pharmaceutical equipment is worth of your trust, Let`s join hands to co-develop a brilliant future in the 21st century full of opportunities! Brand from concentration— 22kw 30hp 10bar All in 1 Rotary Screw Air Compressor with Air Dryer 15kw 20hp 4-in-1 Screw Air Compressor for Laser —Our pursuit is to product the best cost-effective machines in China. In this 21-century full of opportunities and challenges, Sinoped will provide new equipment and more pragmatic spirit of innovation, cooperate with you and create brilliance ! Certificate We Have…CE certificate etc. How Our Customer Say ?Online Customer Feedback Packaging&Shipment Exhibition Oversea Installation Team Two-year Warranty Period for whole machine except of tubes and human factors etc, and 12-month of after-sale service from the date when you receive machine or 12 months when installation finished; Consultant services for whole machine life, and 24 hours technical support by email;UPS, English software, user manual and the installation & debugging by our experienced technicians.1. Can your machine meet our need well? We supply you a proposal as to your specific requirement, each machine is customized to satisfy customer’s need well.2. Are you a factory or a trading company? We are the manufacturer, and have been in industry for more than 10 years.3. What’s your payment way? T/T by our bank account directly, or by Alibaba’s trade assurance service, or by the West Union, or in cash.4. How can you ensure the machine’s quality after we put the order? Before the delivery, we will send you machine’s pictures and videos, or you can come to us to have the quality checking by yourself, or by the third party inspection organization contacted by your side.5. We are afraid you won’t deliver us the machine after we pay you the money. Please note our above business license and certificates. And if you don’t trust us, High-Precision Planetary Gearbox 200W 400W Servo Reducer 57 Step Asteroid Reducer you can use Alibaba’s trade assurance service or by LC.6. Why choose your company? We have been engaged in the manufacturing of various packing machines professionally over 10 years, and we can provide better after-sales service.

gearbox

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!

Components

Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.
gearbox

Functions

A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.
gearbox

Maintenance

Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China 100L to 10000L Dry powder horizontal ribbon blender double helical industrial flour paddle mixer mixing blending machine gearbox engine
editor by Cx 2023-07-11

China OEM Helical Gearbox with Motor G3 Series double stage helical gearbox

Product Description

Technical performance and selection reference

Normal Ratio		5	10	15	20	25	30	40	50	60	80	100	100	120	160	200
0.2kw	output speed ratio	Φ18					Φ22						Φ28
	actual speed ratio	4.97	10.12	15.16	20.08	24.89	30.21	40.55	50.32	60.75	80.77	100.23	104.08	120.88	161.07	196.43
	n2(r/min)	282	138	92	70	56	46	35	29	23	17	14	13	12	9	7
	M2(NM)	6.5	12.6	19.1	26.3	32.6	38.9	50.4	63	75.6	100.8	103.9	125.4	150	200.4	250.7

Note recommendations
To install the reduction unit it is necessary tonote the following recommendations:
1. Check the correct direction of rotation of thereduction unit output shaft before fitting the unit tothe machine.
2. Before mount with the prime moveanddevice,please check the reducers every axiadiameter, aperture,key and key slot,
to be theirdimensions are not deviation, and avoidassembaurtoo tight or too loose, unless it wilinfluence the reducer’s performance.
3. The mounting on the machine must be stableto avoid anv vibration.
4.Whenever possible,protect the reductiorunit against solar radiation and bad weather.
5.In the case of particularly lengthy periods ofstorage (4-6 months), if the oil seal is not immersedin the lubricant inside the unit.
It is recommended tochange it since the rubber could stick to the shaft ormay even have lost the elasticity it needs to functionproperly.
6.Painting must definitely not go over rubberparts and the holes on the breather plugs, if any.
7.When connect with hollow or CZPT shaftplease grease the joint to avoid lock or oxidation.
8.Check the correct level of the lubricantthrough the indicator, if there is one.
9. Starting must take place gradually, withoutimmediately applying the maximum load
10. Supporting unit is required when usingvarious of reducer matched with motor directiy andthe wsight of motor is a little bigger than common.
11 .Ensure the motor cools correctly byassuring good passage of air from the fan side.
12. In the case of ambient temperatures+40°C call the Technical Service.

Shipping Cost: Estimated freight per unit.	To be negotiated

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Cycloidal

Samples:	US$ 71/Piece 1 Piece(Min.Order) \| Order Sample

Customization:	Available \| Customized Request

helical gearbox

How to Design a Helical Gearbox

Basically, a gear is a rotating circular machine part that has teeth cut into it to transmit torque or speed. Gears operate on a similar principle to levers. However, gears are usually asymmetrical in nature, and they have meshing teeth that work together to transmit torque or speed.

Helix angle

Whether you’re looking for a right angle gearbox or a helical gearbox, the angle of the teeth is an important consideration. It affects contact ratios, radial force and the torque capacity of the gear.
A helical gearbox uses the same basic elements as a spur gear, except it has teeth that are closer together. It is also more suited for high-load applications. It is also quieter than conventional gears. The main differences between a helical gearbox and a spur gear are its pitch and the helix angle.
The pitch of a helical gear is measured in the plane perpendicular to the direction of the teeth. It may also be called circular pitch. The pitch of a helical gear may be greater or less than circular pitch.
The normal pitch of a helical gear is also measured in the plane perpendicular to its direction of rotation. It is often called the reference value.
Unlike the spur gear, a helical gear does not have a unique optimum pressure angle. A helical gear’s contact ratio will decrease as the pressure angle increases. This is due to the fact that the length of the contact line decreases.
The pitch of a helical planetary gearbox can be calculated by dividing the total helix angle of the pinion and gear by the sum of their normal pressure angles. The helix angle is usually between 15 and 30 degrees.

Center distance

During the design of a helical gearbox, the center distance between the gears is a crucial input parameter. The center distance should be accurately calculated and modified based on the actual usage conditions. Undersized center distances cause a gear to mesh at a point other than the pitch point, which can lead to increased noise, premature wear and amplitude modulated vibrations.
The best way to calculate a helical gear’s center distance is to calculate the helix angle. This is often referred to as the fundamental rule of gearing. The helix angle is a mathematical expression that defines the relationship between the transverse and normal planes of the gear tooth. The pitch circle diameter increases with helix angle.
The number of teeth in a gear is also a relevant input parameter. There are a number of considerations to consider for determining the helix angle, such as the tooth depth, the pitch diameter, the number of teeth, and the radii of the index circle. The tooth depth is a useful way to calculate bottom clearance.
During the design of a helical mesh, the radial and axial thrust forces are produced. The angular backlash of a gear may vary depending on the type of gear, the pitch diameter and the transmission ratio. The total length of contact lines varies more gradually with the helix angle.
The number of cross sections in a helical mesh is also important. The radial module form is more economic to manufacture. The helical gearbox can be produced by using the same tooth cutting tools as spur gears.

Backlash

Having a smooth rotation of meshing gears is important. However, backlash is an issue that needs to be addressed. There are several ways of controlling backlash. The amount of backlash required depends on the application, size, and accuracy of the gears.
There are two basic ways of reducing backlash. The first is to decrease the distance between the gear centers. The second is to use spring loaded gears. The latter works better in low torque unidirectional drives.
The difference between the distances is called the transverse contact ratio. The longer the distance, the more rotational motion is required. The angular backlash is the opposite of the radial backlash.
The backlash may also be measured in terms of the angular distance between two gears. This measurement can be converted into an angular value at the operating pitch circle. A worm gear is another example.
Using the correct backlash calculator can determine the correct amount of backlash for your helical gearbox. The amount of backlash depends on the accuracy of the individual gears and the type of gearbox.
The gearbox also has components like pulleys, bearings, and wheels. There are several ways of reducing backlash, including the use of bolts and shims to decrease the center distance between gears. In heavy duty applications, a rigid bolted assembly is common.
To calculate the backlash of a geartrain, one must know the gear ratio of each gear in the train and how much it is mated to the reference shaft. This information is especially helpful for cumulative backlash. helical gearbox

Durability

Optimal design, materials, manufacturing, and maintenance procedures affect the lifecycle of a gear. This includes production, repair and replacement costs. The optimum maintenance schedule must also account for lifecycle costs.
The life of a gear can be extended by proper tooth tip relief. This will reduce wear, improve meshing, and increase the longevity of your gear.
The helical gearbox is a specialized type of gearbox, which transforms power from one right angle axis to another. Typical applications include automotive transmissions. It is a popular choice in applications with high speed, high load, or non-parallel shafts. It is quieter and smoother than spur gears. The modular production method used in helical gearboxes provides the best possible standard for component integrity and performance.
One of the most important components of a helical gearbox is the thrust bearings. These support the thrust forces created by the gears and can absorb some of them. A helical gearbox is best suited for high load applications that require a smooth gearing motion.
A good helical gearbox is one that is manufactured with bearings that can handle axial loading. A helical gearbox with a central gulley is often needed for tool clearance. The helix angle also has a bearing on its durability.
The helix angle is also the source of the largest thrust force produced by a helical gear. This large thrust force is produced by a series of special angle cut teeth. This may be one of the reasons why helical gears have been used in high speed applications.

Noise

Generally speaking, helical gears are considered to be a relative quieter gear than spur gears. It is estimated that a helical gear set with axial contact ratio of 2 is about 19 dB quieter than a spur gear set with the same contact ratio.
The term “whine” is often used to describe the tonal character of gear noise. This is a function of the dynamic forces that act on the gear mesh. The dynamic forces are related to rotational speed.
There are two main types of gear noise: the gear-specific noise and peripheral component noise. Both of these types can be caused by high-speed gears transmitting the power of an engine.
The gear-specific noise may be related to the number of teeth in contact. A low contact ratio can slow down the rotational speed of the driven gear. However, a high contact ratio will not reduce the transmission error. This is why it is important to prioritize your design intent before attempting any noise reduction measures.
The tonal character of gear noise can be determined by collecting and analyzing data over a period of time. This may include a series of tests at loads within the desired load range. This measurement can serve as a starting point for a gearbox’s root cause analysis.
The gear-specific noise has a number of mechanisms. These include the aforementioned transmission error signal and the gear-specific whine. helical gearbox

Applications

Various industries like plastics, printing, cement and other heavy industrial settings use helical gearboxes. Their advantages include low power consumption, quieter operation and high load application. However, there are some limitations. For example, heat generated by sliding contact is a hindrance to efficiency. It should also be noted that gear weight affects the performance of the gear.
There are two ways to mesh helical gears. The first method is to place the shafts oriented at a certain angle of helix, in a mesh. The second method is to place the shafts oriented in a different angle of helix. The difference in angle is referred to as the helix angle.
The helical gearbox is the most widely used gearbox. It is compact in size and works at a high efficiency. It is useful for driving conveyors, coolers and machines. It is also used in automation control systems.
Helical gears are often chosen over spur gears for non-parallel shafts. They are also used in gearboxes for automotive applications and in elevators. They also reduce vibrations.
The gears are made of special teeth that are angled to an axis. They are also cut at an angle. This allows for perpendicular meshing. They can be divided into two basic categories: crossed axis gears and single helical gears. Single helical gears can be right-handed or left-handed. Crossed axis gears are usually used to connect parallel shafts.
China OEM Helical Gearbox with Motor G3 Series double stage helical gearbox
editor by CX 2023-05-25

China OEM Bevel Helical Gearbox for Conveyor Systems and Material Handling B240 double helical gearbox

Product Description

Name

B240 for rotary cutter

Advantage

1.Our agricultural gearbox is designed for heavy-duty performance, making it ideal for demanding agricultural applications.
2.Itfeatures a high torque capacity, ensuring efficient power transmission and optimal machine performance. 3.Our gearbox
isengineered to be easy to install and maintain, reducing downtime and maintenance costs. 4.Trust our agricultural gearbox
forsuperior durability, reliability, and productivity in your farming operations.

Material

Quenching heat treatment, hardened teeth, carbonizing….

20CrMnTi for components and housing

Surface treatment

Blacking, galvanization, chroming, electrophoresis, color painting

Company Profile

In 2571, HangZhou CZPT Machinery Co.,ltd was established by Ms. Iris and her 2 partners(Mr. Tian and Mr. Yang) in HangZhou city(ZHangZhoug province, China), all 3 Founders are engineers who have more than averaged 30 years of experience. Then becausethe requirements of business expansion, in 2014, it moved to the current Xihu (West Lake) Dis. Industrial Zone (HangZhou city, ZHangZhoug province, China).

Through our CZPT brand ND, CZPT Machinery delivers agricultural solutions to agriculture machinery manufacturer and distributors CZPT through a full line of spiral bevel gearboxes, straight bevel gearboxes, spur gearboxes, drive shafts,sheet metal, hydraulic cylinder, motors, tyre, worm gearboxes, worm operators etc. Products can be customized as request.

We, CZPT machinery established a complete quality management system and sales service network to provide clients with high-quality products and satisfactory service. Our products are sold in 40 provinces and municipalities in China and 36 countries and regions in the world, our main market is the European market.

Packaging & Shipping

Main Products

Certifications

FAQ

Q: Are you a trading company or manufacturer?
A: We’re factory and providing gearbox ODM & OEM services for the European market for more than 10 years

Q: Do you provide samples? is it free or extra?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.

Q: How long is your delivery time? What is your terms of payment?
A: Generally it is 40-45 days. The time may vary depending on the product and the level of customization.
For standard products, the payment is: 30% T/T in advance,balance before shipment.

Q: What is the exact MOQ or price for your product?
A: As an OEM company, we can provide and adapt our products to a wide range of needs.
Thus, MOQ and price may greatly vary with size, material and further specifications; For instance, costly products or standard products will usually have a lower MOQ. Please contact us with all relevant details to get the most accurate quotation.

If you have another question, please feel free to contact us.

Application:	Machinery, Agricultural Machinery
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Shaft T or L Type
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Step:	Single-Step

Customization:	Available \| Customized Request

helical gearbox

Helical Gearbox

Generally, a helical gearbox consists of two gears. The two gears have cut teeth and are inserted into one another. These two gears work together to transmit torque and speed. This type of gearbox is used in a wide variety of applications.

Working principle

Besides being cheaper to make, helical gears have several advantages over straight-cut spur gears. Firstly, they offer a smoother operation, less vibration, and lower noise levels. They also transmit larger loads than spur gears. These gears are used in a variety of industries, such as food processing, plastic industries, and oil industries.
Another important feature of helical gears is the smooth and gradual engagement of teeth. This helps them function more smoothly, especially when working under heavy loads. This process reduces shock and backlash, and also reduces wear.
In addition to this, the helix angle is a variable that can be adjusted to suit the application. The angle is usually either left or right, and can vary based on the view.
Helical gears are usually used in enclosed gear drives, such as conveyors, blowers, and elevators. They offer a smoother operation, which makes them ideal for applications that require quiet operation. However, helical gears are less efficient at transmitting power than spur gears.
The relative contact stress (RCS) calculated for a helical gear is similar to that of a spur gear. However, the volume Vi, which is a helix-dependent quantity, is different. This volume is defined as the total volume of the helical pocket, calculated by integrating along the face width. The volume of a generic pocket is larger than that of a helical pocket without a helix.
In addition, the contact ratio is reduced. This is due to the fact that two teeth are not parallel to each other. A thick oil film prevents the teeth from making contact. This film also cools the gear tooth surfaces.
The service factor is a number that takes into account the conditions under which a gear is used. It is usually a ratio between the maximum torque and the torque produced.

Efficiency

During a recent gearbox measurement campaign, 13 commercial gearboxes were extensively tested. Efficiency was measured at nominal torque and power. The resulting efficiency maps presented in this paper show that the efficiency of each gearbox is fairly similar.
The efficiency of a gearbox depends on the gears’ teeth and the ratio between them. The lower the ratio, the higher the efficiency.
Efficiency is also affected by the load torque. The higher the load torque, the lower the efficiency. This is especially true for gearboxes with high ratios.
The power loss is also affected by the contact and overlap ratios. For gearboxes with high ratios, the difference between the efficiency of the catalog and model-based efficiency is greater than for low-ratio gearboxes. Fortunately, improvements in lubrication are closing this gap.
The helical gearbox is the most effective gearbox in the industry. It transfers motion between parallel configurations and has less noise than spur gears. These gears engage gently and smoothly, so they are less prone to wear and tear. They also allow for greater power carrying capacity.
Although helical gears are effective, they are more expensive than traditional gears. However, the cost savings can be significant over time. It is important to consider the advantages of a helical gearbox before choosing a gearbox for your application.
When comparing the efficiency of a helical gearbox to that of a worm gearbox, the worm gearbox is more efficient. However, the difference in efficiency is not as great as many other gearboxes.
The efficiency of a helical gearbox is also affected by the speed of the gears. The gearbox must have adequate lubrication for bearings. It is also important to consider the space requirements in the drive line.

Applications

helical gearbox applications are widespread and they are used in many industries. Some of the applications include the printing industry, the rubber industry, the plastics industry, the cement industry, the earth-moving industry, and the chemical industry.
helical gearboxes are also used for conveyors and elevators. They are very durable and they can carry larger loads. They are also quieter than straight cuts. They are also used in many automotive transmissions.
helical gearboxes transmit power between two parallel shafts. They are a good substitute for spur gears. They are compact and they reduce vibration and noise. They are also very durable and they can work in non-parallel shafts.
The most common application is in the automotive industry. Helical gearboxes are also used in other industries. They are very useful in elevators, conveyors, and other heavy industrial settings. They also provide a high level of speed reduction and they are commonly used in automation control systems. They are also used in the mining industry and the cement industry.
helical gearboxes can be fabricated with various modifications. This is important because some industries may require different gearboxes.
Helical gears have a higher number of teeth. This leads to less wear and tear. They are also less noisy than spur gears. Their ability to generate a large thrust force is what makes them ideal for high-speed applications. They are also able to distribute load among several axes. They are also used in high shock and vibration applications.
helical gearboxes work at a higher efficiency than spur gears. However, the manufacturing costs for helical gears are greater than for spur gears.
helical gearboxes also have the advantage of transferring power between right-angle shafts. They can work in conjunction with crossed axis gears, which eliminate shock loading.

Variations

Several variations of helical gearbox are available in the market for different industries. They are widely used in automobile transmissions and other industries. They are quieter than spur gears. They are also durable and are highly efficient. However, they can cause higher friction and wear.
Helical gears are made of teeth that twist around a cylindrical gear body at an angle. The angle at which the gear teeth are cut is called the helix angle. The helix angle can be adjusted to fit the gear and its surroundings.
The helix angle also determines how much axial force the gear produces. A larger helix angle will generate more axial force. This increase in axial force must be absorbed by the bearings. The pressure angle also has a direct impact on the normal force and curvature radii of the tooth.
Helical gears can be mounted in parallel or crossed configuration. Helical gears connected in parallel require the same pitch and pressure angle to work correctly. Helical gears connected in crossed configuration can operate more quietly and smoothly than spur gears. However, they can also be used to transmit higher torques.
Helical gears are also available in single and double helical designs. Single helical gears are produced with the same tools and equipment as spur gears. Unlike spur gears, single helical gears have more surface contact. They are also better for precision drives.
Double helical gears are also called herringbone gears. They are produced by cutting a groove between two teeth. They can eliminate axial forces and are also used to provide high load carrying capacity.
Helical gears are commonly used for low power transmission applications. They also provide an alternative for connecting parallel and non-parallel shafts. They are also used in high speed applications. helical gearbox

Tool tip radius

Among the many parameters that are used in a helical gearbox design, the tooth tip radius is probably the most important, albeit only because it is one of the least intuitive. The best way to estimate the diameter of a helical gear tooth is to use a tooth reference profile as the basis for the calculation. A similar procedure is used to calculate the helix angle. A tool tip that is too small will result in a tooth that undercuts, which is a problem if you have a gear that has a high number of teeth and you want to reduce the chance of tooth failure.
For the gear buffs, there are many helical gearbox tools and processes, the tip diameter being but one of them. Luckily for gear design geeks, there is a lot more to the helical gearbox than meets the eye. For example, a helical gear tooth is a three-dimensional surface, so its shape and function can be computed mathematically or numerically.
In addition to a tooth tip that flies by the seat of your pants, the helical gearbox is also the product of a manufacturing process. The main culprit is the profile shift, which is the distance between the gear pitch diameter and the datum line of the cutting tool. While a gear designer could choose to ignore this issue, it is often a design consideration for the benefit of maximizing contact ratios. This means that the gear teeth must be able to withstand the torque of their respective gear trains.
A helical gear is a geometric package, and the best way to package the gears is to minimize tooth bending strength while maximizing tooth bending stiffness. To do this, you must limit the thickness of your tooth tip. This is usually accomplished with a tooth profile that is shaped to match the tooth contour of the gear it is intended to replace.
China OEM Bevel Helical Gearbox for Conveyor Systems and Material Handling B240 double helical gearbox
editor by CX 2023-05-12