Tag Archives: double helical gear

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

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.

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

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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:

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

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.

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.

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 ATA Shaft Mounted Helical Gear Box for Conveyor helical double gearbox

Merchandise Description

ATA Shaft Mounted Helical Gear Box for Conveyor

ATA series shaft mounted gearbox(speed reducer) with helical hardened gears has the characteristics of substantial carrying capability, clean transmission, light excess weight, low energy intake and so on. Input shaft of ATA velocity reducer is connected with gear motor by belt pulley, hollow output shaft is joined with a key. It can be replaced by electric powered drum as energy for belt conveyors and lifting equipments. ATA collection shaft mounted gearbox could be connected with back again-stop to steer clear of the working equipment back skating, and conveniently mounted by tie rod. ATA series shaft mounted velocity reducer is widely used in the mining equipments, concrete mixing batching plant, stone crushers, sand creating manufacturing line and other belt conveyors, mechanical transmission places.
Mechanical belt conveyors generate technique is composed of ATA shaft mounted speed reducer, torque arm, pulleys and gear motors, whose power transmission from the gear motor to the gearbox by way of the pulley, and then pace reducer handed to the drive pulley via the hollow output shaft and the gearbox is fastened by torque arm, anti-slip unit can be configured. The system is practical to put in, use and maintain.

The features of ATA shaft mounted gearbox:
Mounting Sort: Tie rod Hanging shaft mounted
Output Shaft: One essential hollow shaft, each design can pick 3 hollow diameter at most.
Gearbox Housing: Hard Iron Steel, can be utilized outside the house.
Anti-slip unit: Can go well with for any product, It is very convenient to be mounted.

The purposes of ATA shaft mounted gearbox:
Agriculture, commerce, telecommunications market, the food sector, tobacco business, vehicle sector, cement business, mining sector, mixing station belt conveyor program.

The maintenance of ATA shaft mounted gearbox:
one. Ahead of starting the reducer need to be crammed of N159 or N220 extreme stress industrial equipment oils, until the gearbox oil shows an intermediate placement
two. Right after 3 months working, the gearbox require to modify oil, consideration it have to be particles inside the device rinse ahead of introducing new oil.
three. At the reducer hollow shaft finishes and travel pulley stop gland plate should mounted with locking screws.
four. The reducer pulley and the motor pulley have to be parallel when they are mounted and the belt tightness ought to be moderate.

The designs of ATA shafted mounted gearbox:
ATA35 ATA40 ATA45 ATA50 ATA60 ATA70 ATA80 ATA1

If you have any demand from customers for our items please come to feel cost-free to contact me.

/ Piece
| 1 Piece

(Min. Order)

###

Application:	Motorcycle, Industry
Function:	Speed Changing, Speed Reduction
Layout:	Parallel
Hardness:	Hardened
Installation:	Torque Arm Type
Type:	Circular Gear

###

Customization:	Available \|

###

Rated Power	Intput Speed	Output Speed	Ratio	Installation Form
1.1~193KW	500~1400r/min	25~300r/min	IN=5.0…31.5	Shaft mounted

###

Model	ATA30	ATA35	ATA40	ATA45	ATA50	ATA60	ATA70	ATA80	ATA100	ATA125
Permitted Torque	180Nm	420Nm	9501Nm	1400Nm	2300Nm	3600Nm	5100Nm	7000Nm	11000Nm	17000Nm

/ Piece
| 1 Piece

(Min. Order)

###

Application:	Motorcycle, Industry
Function:	Speed Changing, Speed Reduction
Layout:	Parallel
Hardness:	Hardened
Installation:	Torque Arm Type
Type:	Circular Gear

###

Customization:	Available \|

###

Rated Power	Intput Speed	Output Speed	Ratio	Installation Form
1.1~193KW	500~1400r/min	25~300r/min	IN=5.0…31.5	Shaft mounted

###

Model	ATA30	ATA35	ATA40	ATA45	ATA50	ATA60	ATA70	ATA80	ATA100	ATA125
Permitted Torque	180Nm	420Nm	9501Nm	1400Nm	2300Nm	3600Nm	5100Nm	7000Nm	11000Nm	17000Nm

What Is a Helical Gearbox?

Basically, a gearbox is a rotating circular machine part that consists of toothed components, which mesh together. Its function is to transfer speed and torque to other parts of the machine. It is also similar to a lever, and operates on the same principle. helical gearbox

Double helical gears

Having a helical gearbox has many advantages, including higher efficiency, high strength, and a superior gear system. However, it has its drawbacks. One of these drawbacks is the axial thrust. Axial thrust is not a problem with single helical gears, but it is a problem with double helical gears.
In double helical gears, there are two sets of teeth that are arranged in a V-shape. In one set of teeth, there is a groove that enables the axial force to be cancelled out. The groove eliminates the need for thrust bearings and allows for efficient handling of high capacity power transmission.
Aside from the axial thrust, there are also issues with face contact. Asymmetric load sharing and oscillation put substantial alternating loads on the shaft bearings. These alternating loads can lead to early bearing failure.
Fortunately, helical gears are smoother than spur gears, which means they can withstand more load. They also have greater pitch circle diameter than spur gears. However, they are limited in their scope. The pitch error distribution on the helical gears is typically limited to 50 mm peak-to-peak amplitude. It is important to control the phase difference of oncoming gears with high accuracy.
Typically, the helical gears that are used in a gear box are assembled from the same module. This allows for interchangeability of components and economical construction. A normal module set can use the same tooth-cutting tools that are used for spur gears.
Double helical gears are used in power transmission in fluid pumps and gas turbines. They are also commonly used in planetary reduction gear boxes for engines in civil aviation.
Generally, double helical gears are larger than single helical gears. They are typically generated from a special generator. They are also more expensive.
However, manufacturers are looking to find gears that are more convenient to use. One solution is to manufacture double helical gears on a multi-tasking machine tool. This allows the gear to be machined in complicated shapes.
The multi-tasking machine tool can also modify the tooth surface. This is useful for 3D printing helical gears with a high level of accuracy. helical gearbox

Crossed-axis helical gears

Several factors affect the performance of crossed-axis helical gears. One of the important factors is the position of the gears on the cross shaft. The gears will not perform properly if they are not oriented in a different direction.
Crossed-axis helical gears have a special situation, in which they will not function properly if the gears are oriented in the same direction. This is especially true for automobile oil pump/distribution shafts. Depending on the situation, gears will operate as a normal helical gear or as a spur gear.
Compared to spur gears, crossed-axis helical gears have relatively higher capacity. However, the transverse contact ratio of these gears is reduced. This decrease is dependent on the pressure angle. The pressure angle affects the curvature radii of the teeth. In addition, the length of the contact line is reduced. This shortens the efficiency of the gear.
Helix angle of crossed-axis helical gears is 45 degrees. It may be a left-handed or a right-handed gear. The pitch circle diameter of a helical gear may be big compared to that of a spur gear. This is due to the fact that the gears are cut at an angle to the shaft.
In the axial direction, the meshing of helical gears is very similar to spur gears. However, there are a few design rules to optimize these gears.
The first rule is that the gears must be staggered in opposite directions. If the gears are not staggered, the contact lines cannot be changed.
The second rule states that the pitch of a helical gear is dependent on its helix angle. It is possible to calculate the pitch circle of a helical gear, by integrating along the face width. In addition, the length of the contact lines decreases as the pressure angle increases. However, this decrease is not as large as that of a spur gear.

Right angle helical gears

Choosing a right angle helical gearbox can be difficult. With so many types, sizes, and configurations to choose from, it can be difficult to figure out which one is right for your application. The key to choosing the right gearbox is understanding your application and what factors are most important to you.
For example, if you are looking for a gearbox that can be used in a high-speed, high-torque application, the most important consideration is the efficiency of the product. Right-angle gearboxes are compact and easy to maintain, making them ideal for high-torque applications.
Some applications that require high-torque gears include pulp and paper manufacturing, food processing, mining, and car washes. Some of the advantages of right angle gears include high efficiency, low maintenance, and low noise. If you are in the market for a right angle helical gearbox, make sure to select a supplier that can provide you with a wide range of options.
Right-angle helical gearboxes come in several different bevel configurations. Spiral bevel gears require precision and are difficult to manufacture. However, they can be used interchangeably. Spiral miter gears are designed to rotate in the same direction as the input shaft, which helps ensure a smooth, direct transfer of power.
If you are considering a helical gearbox for a high-speed application, you will need to know your preferred input/output ratio. The standard ratios are 1:1 and 2:1. If you need a step-up ratio, you can install an additional output shaft opposite the input shaft.
Other benefits include lower running noise, superior strength, and durability. Because they are made of larger teeth, helical gears are less likely to wear out. Also, helical gears provide higher power carrying capacity.
To determine which type of right angle gearbox is best suited for your application, you should discuss your needs with your supplier. They should be able to offer a wide range of options, including custom solutions. They should also provide you with a list of past clients and online reviews.
To find a right angle helical gearbox that can meet your needs, it’s important to understand the various design features. For example, you should make sure that your gearbox has a self-locking capability, which means that the load cannot drive the worm. Having a self-locking gearbox also means that you do not need to install a braking system. helical gearbox

Spiral teeth

Using helical gearboxes to drive a motor car or truck is an efficient method of power transmission. However, the efficiency of this method depends on the helix angle of the gear. The helix angle is the angle that the gear teeth are cut at.
Helical gearboxes may be of different helix angles, depending on the specific gear set. The helix angle can vary between 15 and 30 degrees. This is important because the helix angle has a significant effect on the position of tooth contact. If the contact is not in a proper position, then there will be a large amount of vibration. This will affect the speed of the gear.
Helical gearboxes can be of two types: crossed axis and parallel axis. Crossed axis gears are usually used to connect parallel shafts. They have the same center gap as spur gears. On the other hand, parallel axis gears are usually used to drive a motor. The difference between the two types of gearboxes is their design and arrangement.
In addition to the helix angle, the gears may have different fillet, teeth, and radius. This means that the gear will have different NVH characteristics. In addition, there are different types of spiral teeth that may be used in the gearbox.
Hypoid gears are also similar to spiral bevel gears, but they differ in that the axes of the gear shaft do not intersect the axis of the hypoid gear. The hypoid gear exerts a very high thrust load on the bearings.
When compared to a straight bevel gear, the hypoid gear experience a smoother, less noisy operation. They also produce less shock loading.
Spiral bevel gears are also designed to produce less vibration. They are also more cost-effective. However, they require a larger diameter to transmit the same torque. This can lead to a reduced mechanical efficiency and lower fuel economy.
The best spiral bevel gears can carry a higher thrust load than straight teeth. This is why they are preferred for applications that require heavy load efficiency.
They are also appreciated for their NVH characteristics. They are also a quieter option for applications that require high speed. Helical gears can be used in many different industries. The food, automotive, and oil industries are examples of these types of gears.
China ATA Shaft Mounted Helical Gear Box for Conveyor helical double gearbox
editor by CX 2023-04-03

China Inline Helical Motor Gear Box Reducer Vertical Gearbox helical double gearbox

Solution Description

Merchandise Description

Inline Helical Motor Equipment Box Reducer Vertical Gearbox

Elements:
1. Housing: Aluminium alloy

two.Gears: Coaxial Gears, 1 phase
three. Enter Configurations:Solid Input Shaft,Motor Flange – IEC B5
4. Output Configurations:Reliable Output Shaft

In depth Photographs

Features:

Types & Variants:
GH Horizontal Type Palte 3-Stage(Brake)Motor
GV Vertical Sort Palte 3-Stage(Brake) Motor
GH Horizontal Variety Light-weight Palte 3-Period(Brake)Motor
GV Vertical Variety Mild Obligation Palte 3-Stage(Brake)Motor
GH Horizontal Sort High Ratio Kind Palte 3-Period(Brake)Motor
GV Vertical Variety High Ratio Kind Palte 3-Stage(Brake)Motor
GH Horizontal Variety Substantial Ratio Variety Gentle Responsibility Palte 3-Section(Brake)Motor
GV Vertical Kind High Ratio Variety Light Obligation Palte 3-Phase(Brake)Motor
GH Horizontal Type Palte 1-Stage(Brake)Motor
GV Vertical Type Palte 1-Section(Brake)Motor
GH Horizontal Variety Light Responsibility Palte 1-Stage(Brake)Motor
GV Vertical Type High Ratio Mild Obligation Palte 1-Period(Brake)Motor
GHM Horizontal Variety Flange Sort Reducer With out Motor
GVM Vertical Type Flange Variety Reducer Without Motor
GHM Horizontal Type Large Ratio Flange Type Reducer With no Motor
GVM Vertical Variety High Ratio Flange Kind Reducer Without Motor
GHD Horizontal Variety Double Shaft Sort Reducer With no Motor
GVD Vertical Kind Double Shaft Sort Reducer Without having Motor
GHD Horizontal Type Double Shaft Large Ratio Type Reducer With no Motor
GVD Vertical Kind Double Shaft Large Ratio Kind Reducer With no Motor
GV Vertical Sort Palte 3-Stage(Brake)Motor -2#Code B Sort Flange
GV..S Iec Vertical 3-Stage Alluminum(Brake)Motor
GV..S Vertical 3-Section Alluminum(Brake)Motor
GV..S Vertical 3-Phase Alluminum(Brake)Motor–B14

Solution Parameters

Power	Output Shasft	Sort
		Lubricant(L)		Bodyweight(Kg)
		GH	GV	GH	GV
.1KW 1/8HP	∅18	.19	.18	five.six	five.eight
	∅22	.38	.39	7.3	seven.3
	∅28	.eight	.85	14.6	14.six
.2KW one/4HP	∅18	.17	.eighteen	seven.	eight.
	∅22	.38	.39	8.6	8.eight
	∅28	.sixty three	.68	11.	ten.8
	∅32	one.30	one.40	27.six	28.
.4KW 1/2HP	∅22	.38	.39	eleven.two	11.2
	∅28	.sixty three	.68	fourteen.two	fourteen.
	∅32	.ninety five	one.05	27.	26.nine
	∅40	1.80	one.90	46.	forty seven.
.75KW 1HP	∅28	.63	.68	15.	15.
	∅32	.95	one.05	27.six	28.
	∅40	one.26	one.38	42.3	forty one.nine
	∅50	3.	three.13	ninety one.5	ninety one.5
one.5KW 2HP	∅32	.ninety five	1.05	33.6	34.6
	∅40	one.47	one.fifty nine	forty nine.six	forty nine.
	∅50	2.52	2.sixty	ninety four.	94.
	∅50	3.forty seven	3.sixty five	105	106
2.2KW 3HP	∅40	1.68	one.80	53.	55.
	∅50	2.52	2.sixty	ninety two.5	88.5
3.7KW 5HP	∅40	1.sixty eight	one.80	64.	sixty six.
	∅50	two.fifty two	2.60	ninety eight.5	ninety four.five

Packaging & Transport

Packaging & Shipping and delivery
Velocity Reducer Helical Gearbox Packaging Particulars:Plastic Baggage, Plywood Instances
Port:ZheJiang /HangZhou

Business Profile

Our Benefits

FAQ

1. How to select a gearbox which fulfills our prerequisite?
You can refer to our catalogue to decide on the gearbox or we can aid to decide on when you provide
the technical info of essential output torque, output speed and motor parameter and so on.
2. What information shall we give before positioning a purchase get?
a) Kind of the gearbox, ratio, enter and output sort, enter flange, mounting situation, and motor details and many others.
b) Housing coloration.
c) Acquire amount.
d) Other particular specifications.
3. What industries are your gearboxes being utilized?
Our gearboxes are commonly used in the places of textile, foods processing, beverage, chemical industry,escalator,automated storage tools,metallurgy,environmental security, logistics and and so on.
4. Do you promote motors?
Yes,We generate diverse kinds of motors.We can provide motors with substantial good quality.

Application:	Machinery
Function:	Speed Reduction
Layout:	Helical
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

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Customization:	Available \| Customized Request

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Power	Output Shasft	Type
		Lubricant(L)		Weight(Kg)
		GH	GV	GH	GV
0.1KW 1/8HP	∅18	0.19	0.18	5.6	5.8
	∅22	0.38	0.39	7.3	7.3
	∅28	0.8	0.85	14.6	14.6
0.2KW 1/4HP	∅18	0.17	0.18	7.0	8.0
	∅22	0.38	0.39	8.6	8.8
	∅28	0.63	0.68	11.0	10.8
	∅32	1.30	1.40	27.6	28.0
0.4KW 1/2HP	∅22	0.38	0.39	11.2	11.2
	∅28	0.63	0.68	14.2	14.0
	∅32	0.95	1.05	27.0	26.9
	∅40	1.80	1.90	46.0	47.0
0.75KW 1HP	∅28	0.63	0.68	15.0	15.0
	∅32	0.95	1.05	27.6	28.0
	∅40	1.26	1.38	42.3	41.9
	∅50	3.0	3.13	91.5	91.5
1.5KW 2HP	∅32	0.95	1.05	33.6	34.6
	∅40	1.47	1.59	49.6	49.0
	∅50	2.52	2.60	94.0	94.0
	∅50	3.47	3.65	105	106
2.2KW 3HP	∅40	1.68	1.80	53.0	55.0
	∅50	2.52	2.60	92.5	88.5
3.7KW 5HP	∅40	1.68	1.80	64.0	66.0
	∅50	2.52	2.60	98.5	94.5

Application:	Machinery
Function:	Speed Reduction
Layout:	Helical
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

###

Customization:	Available \| Customized Request

###

Power	Output Shasft	Type
		Lubricant(L)		Weight(Kg)
		GH	GV	GH	GV
0.1KW 1/8HP	∅18	0.19	0.18	5.6	5.8
	∅22	0.38	0.39	7.3	7.3
	∅28	0.8	0.85	14.6	14.6
0.2KW 1/4HP	∅18	0.17	0.18	7.0	8.0
	∅22	0.38	0.39	8.6	8.8
	∅28	0.63	0.68	11.0	10.8
	∅32	1.30	1.40	27.6	28.0
0.4KW 1/2HP	∅22	0.38	0.39	11.2	11.2
	∅28	0.63	0.68	14.2	14.0
	∅32	0.95	1.05	27.0	26.9
	∅40	1.80	1.90	46.0	47.0
0.75KW 1HP	∅28	0.63	0.68	15.0	15.0
	∅32	0.95	1.05	27.6	28.0
	∅40	1.26	1.38	42.3	41.9
	∅50	3.0	3.13	91.5	91.5
1.5KW 2HP	∅32	0.95	1.05	33.6	34.6
	∅40	1.47	1.59	49.6	49.0
	∅50	2.52	2.60	94.0	94.0
	∅50	3.47	3.65	105	106
2.2KW 3HP	∅40	1.68	1.80	53.0	55.0
	∅50	2.52	2.60	92.5	88.5
3.7KW 5HP	∅40	1.68	1.80	64.0	66.0
	∅50	2.52	2.60	98.5	94.5

Helical Gearbox

Depending on the helical gearbox, it can be either Crossed-axis or Inline. Basically, helical gearboxes are composed of a set of toothed gears that mesh with other toothed parts to transmit torque and speed to other parts of the machine.

Right angle helical gearboxes

Choosing the right angle gearbox can be difficult. This is because the design and specifications will depend on the type of application. The right gearbox can make or break the efficiency of the system. For example, a right angle gearbox will need to be corrosion resistant if it is used in a washdown application. It may also require special grease for use in cold temperatures.
There are many different types of right angle gearboxes. The types include worm, hypoid, and spiral bevel gearboxes. The most common are worm gearboxes. These are a great option for applications that need high torque and power. However, they are not as efficient as spur gears.
Helical gearboxes are ideal for heavy-duty industrial applications such as conveyors, blowers, and elevators. They are quiet and have better speed capabilities than spur gears. They can handle larger loads because of their gradual engagement. They are also capable of adjusting the rotation angle by 90 degrees. They are also more efficient at high speeds.
Spiral bevel gearboxes require more precision to manufacture. They are also more expensive to produce. This is because the teeth need to be drilled and shaped to fit the shafts. The gearbox needs to be designed with tight tolerances and requires basic lubrication. Its operating cycle is long.
Helical gearboxes can be used in conjunction with other gearboxes. For example, the output shaft may be a hollow shaft, or it may be designed with dual counter-rotating shafts. They can also be designed to operate in either a clockwise or counter-clockwise direction.
Right angle gearboxes are ideal for high-speed applications. They require less maintenance than other industrial components. They may require corrosion resistant plating or stainless steel shafts. If you are considering a right angle gearbox, check with a distributor to see what types of products are available. A representative will be able to help you with installation. They may also offer custom gearbox solutions to fit your needs.
A gearbox is made up of four main components. These components include the input shaft, the output shaft, the gear, and the backlash.

Crossed-axis helical gears

Normally, helical gearboxes are used to increase torque between two rotating shafts. Compared to other types of gearboxes, helical gearboxes offer greater speed and power carrying capacity. They are also quieter and smoother in operation. These gearboxes are used in many industries such as food processing, plastic, rubber, and oil industries. These gears also have the advantage of being cheaper than spur gears.
These gears are designed with special teeth that are positioned at an angle to the face of the gear. As they rotate, the teeth engage gradually. They have longer teeth, which allow them to carry heavy loads. The contact area also increases as the gears rotate.
A cross axis helical gearbox is one of the most common types of gearboxes. This gearbox has an advantage over spur gears, since it uses bearings to support the thrust load. It can also adjust the rotation angle by 90 degrees. These gearboxes are typically used to drive automobile oil pump/distribution shafts. They are also used to drive blowers. They have a large thrust force.
The cross axis helical gearbox has the advantage of using bearings to support the thrust load. However, it also has the disadvantage of using a large amount of bearings. In addition, these gears are not suitable for speed reduction beyond 1:2.
Thermoplastic crossed axis helical gears are a convenient solution for high volume applications. These gears are self-locking and offer high torque. These gears are also very durable. They are also available in a variety of configurations and sizes. They are used in a wide range of industries, including the textile industry. The output torque of these gears is also very high.
Crossed helical gears are also used to transmit motion and power between perpendicular but non-intersecting shafts. To achieve this, two mating helical gears must have the same helix angle, pressure angle, and normal pitch. They should also be mounted on perpendicular but non-intersecting, parallel shafts.
To calculate the real radial pitch of a gear, the angle of cut is measured. The gear teeth are then cut at an angle to the face of the gear. The helix angle is also measured. helical gearbox

Inline helical gears

Unlike spur gears, helical gears have a large surface contact and are characterized by low noise and large torque. Moreover, helical gears also have a high degree of meshing performance. They are also compact and durable.
As the name suggests, helical gears are produced using hard steel teeth. They are also hobbed to ensure smooth running and accurate surface finish. In addition, all gearing is ground for increased efficiency.
Inline helical gearboxes are used in a number of applications, including waste water systems and in solvent extraction. They are also used in industries like power plants and food & tobacco. They have good efficiency and are low in cost. They also have interchangeability and high durability. They can be installed in a single piece aluminum alloy housing. They can also be foot mounted or flange mounted. They are available in single stage and three stage constructions.
Helical gearboxes are typically used in high-load applications, such as in cement and waste water systems. They are also suitable for industrial applications, including in manufacturing. They are also used in applications where there is a large speed variation range. They are suitable for a wide temperature range, from -10 degC to 40 degC.
A helical gearbox has a high degree of interchangeability, and can be installed with a wide range of motors. They are also available in flame proof versions. They can also be supplied with an integrated output flange. They have standard IEC inputs, making them easy to install and operate. They also have a removable inspection cover, which allows periodic inspection of gearing. They can also be supplied with integral mounting bases.
The transmission ratio of helical gearboxes is finely graded to meet different working conditions. They also have an output torque that ranges from 1.4-250. They are also available in a modular model, which allows them to be produced in an economical manner. They can also be installed with a standard IEC input, which makes them easy to fit with any IEC motor. They also have a permanent nameplate, which indicates the ratio and the output torque. helical gearbox

Helix angle

Using a helical gearbox is a more economical and efficient way of creating a gearbox. It is also beneficial for production because it allows for more interchangeable components. It can also be used in the oil and plastic industries. It has advantages over conventional gears because it runs quieter.
The helical gearbox is a type of gearbox that uses a helical cut on the teeth of the gears. It carries more surface contact than conventional gears, which increases the power carrying capacity. It is also more durable and quieter than conventional gears.
The helical gearbox is generally used in enclosed gear systems because it allows for higher tooth overlap and smoother performance. It also eliminates thrust forces. The helical gearbox can be made of two helical sections that are close together. It is common to use double helical gearboxes in enclosed gear systems. The gears can be ground and hardened.
The radial pitch of helical gears is about eight millimeters. In the helical gearbox, the radial pitch of the gears is the same as the pitch of the spur gears. Using the same tooth cutting tools, it is possible to make helical gears more economically.
The pitch of the helical gearbox will vary with the helix angle. Typically, the helix angle is between 15 and 30 degrees. The pitch will also change with the number of teeth in the spur gear. The pitch will increase when the number of teeth increases.
The pitch is also affected by the pressure angle of the tooth. The pressure angle affects the normal force and curvature radii. The length of the helical gear contact line decreases as the pressure angle increases. This can also be seen when considering contact on the tooth surface. The helix angle is also important when calculating the forces between the helical gears.
It is important to understand that helical gears generate axial forces within the gear-mesh. These forces need to be supported by bearings. They also generate heat. This heat is also detrimental to the efficiency of the gear. It can also cause power loss.
China Inline Helical Motor Gear Box Reducer Vertical Gearbox helical double gearbox
editor by czh 2023-01-25