Tag Archives: planetary transmission

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.

/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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:

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

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 Professional Ratio25-200 75mm Nfr Type Desboer Transmission Planetary Gearbox Helical Gearbox for Servo Motor gearbox adjustment

Product Description

The NFR075 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: NFR075 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	25	30	35	40	45	50	60	70	80	90	100	120	140	160	180	200


Rated output torque	Nm	140	140	130	110	95	95	140	130	110	95	95	140	130	110	95	95
Emergency stop torque	Nm	Three times of Maximum Output Torque
Rated input speed	Rpm	4000
Max input speed	Rpm	8000
Ultraprecise backlash	arcmin	≤4
Precision backlash	arcmin	≤7
Standard backlash	arcmin	≤9
Torsional rigidity	Nm/arcmin	14
Max.bending moment	Nm	4100
Max.axial force	N	3700
Service life	hr	30000(15000 under continuous operation)
Efficiency	%	≥92%
Weight	kg	7.8
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	0.35											0.31

Applicable Industries

Packaging Machinery Mechanical Hand Textile Machinery

Non Standard automation Machine Tool Printing Equipment

Certifications

Company Profile

About Research

/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1

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

Using Helical Gearboxes for Speed Reduction and Speed Increase

Yes, helical gearboxes can be used for both speed reduction and speed increase in various applications. The design of helical gears allows them to transmit motion and power between non-parallel shafts while changing the rotational speed.

Speed Reduction: When the driving gear (pinion) has fewer teeth than the driven gear, the gear ratio leads to speed reduction. This is commonly used in applications where the input speed needs to be decreased while increasing the output torque. For example, helical gearboxes are often employed in conveyor systems to reduce the speed of the motor while maintaining sufficient torque to move heavy loads.

Speed Increase: Helical gearboxes can also achieve speed increase by having the driving gear (pinion) with more teeth than the driven gear. This configuration is less common but can be used to increase the output speed while sacrificing some torque. Speed increase applications are typically seen in scenarios where higher speeds are required, such as in certain types of machinery or industrial processes.

It’s important to note that while helical gearboxes can perform both speed reduction and speed increase, the specific gear ratios and configurations need to be carefully chosen to ensure efficient and reliable operation for the intended application.

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.

China Professional Ratio25-200 75mm Nfr Type Desboer Transmission Planetary Gearbox Helical Gearbox for Servo Motor gearbox adjustment
editor by CX 2023-12-27

China OEM Hot Sales Ratio 3-100 Helical Transmission Planetary Gear Boxes gearbox adjustment

Product Description

Hot Sales Ratio 3-100 Helical Transmission Planetary Gear boxes

Nickel chromium molybdenum allpy steel gear is manufacturered with carburizing heat treatment for high abrasion resistance and impact toughness and by honing process to increase gear prcision and low noise operation.

Product Description

Products fearures:
1.One-piece construction, High Prescision and large output torque
2.Double bracing cage planetary shelf structure , high relible. Can suit reversible rotabtion frequently
3.Helical gear transmission, more reliable. Higher torque
4.Low return backlash,high precision
5.Special Rotation frame structure, can carry bigger Radial&Axial load

Product Parameters

Specifications				PX42	PX60	PX90	PX120	PX140	PX180
Technal Parameters				PX42	PX60	PX90	PX120	PX140	PX180
Max. Torque			Nm	1.5times rated torque
Emergency Stop Torque			Nm	2.5times rated torque
Max. Radial Load			N	780	1530	3250	6700	9400	14500
Max. Axial Load			N	390	630	1300	3000	4700	7250
Torsional Rigidity			Nm/arcmin	2.5	6	12	23	47	130
Max.Input Speed			rpm	8000	8000	8000	8000	6000	6000
Rated Input Speed			rpm	4000	4000	3000	3000	3000	3000
Noise			dB	≤56	≤58	≤60	≤65	≤68	≤68
Average Life Time			h	20000
Efficiency Of Full Load			%	L1≥95% L2≥90%
Return Backlash	P1	L1	arcmin	/	≤3	≤3	≤3	≤3	≤3
	P1	L2	arcmin	/	≤5	≤5	≤5	≤5	≤5
	P2	L1	arcmin	≤5	≤5	≤5	≤5	≤5	≤5
	P2	L2	arcmin	≤7	≤7	≤7	≤7	≤7	≤7
Moment Of Inertia Table	L1	3	Kg*cm2	/	0.16	0.61	3.25	9.21	28.98
		4	Kg*cm2	0.03	0.14	0.48	2.74	7.54	23.67
		5	Kg*cm2	0.03	0.13	0.47	2.71	7.42	23.29
		7	Kg*cm2	0.03	0.13	0.45	2.62	7.14	22.48
		8	Kg*cm2	0.03	0.13	0.45	2.6	/	/
		10	Kg*cm2	0.03	0.13	0.4	2.57	7.03	22.51
	L2	12	Kg*cm2	/	0.13	0.45	0.45	2.63	7.3
		15	Kg*cm2	/	0.13	0.45	0.45	2.63	7.3
		20	Kg*cm2	0.03	0.13	0.45	0.45	2.63	7.3
		25	Kg*cm2	0.03	0.13	0.45	0.4	2.63	7.3
		28	Kg*cm2	0.03	0.13	0.45	0.45	2.43	7.1
		30	Kg*cm2	/	0.13	0.45	0.45	2.43	6.92
		35	Kg*cm2	0.03	0.13	0.4	0.4	2.43	7.1
		40	Kg*cm2	0.03	0.13	0.45	0.45	2.43	6.92
		50	Kg*cm2	0.03	0.13	0.4	0.4	2.39	6.92
		70	Kg*cm2	0.03	0.13	0.4	0.4	2.39	6.72
		100	Kg*cm2	0.03	0.13	0.4	0.4	2.39	6.72
Technical Parameter	Level	Ratio		PX42	PX60	PX90	PX120	PX140	PX180
Rated Torque	L1	3	Nm	/	40	105	165	360	880
		4	Nm	17	45	130	230	480	880
		5	Nm	15	45	130	230	480	1100
		7	Nm	12	45	100	220	480	1100
		8	Nm	/	40	90	200	/	/
		10	Nm	10	30	75	175	360	770
	L2	12	Nm	/	40	105	165	440	880
		15	Nm	/	40	105	165	360	880
		20	Nm	17	45	130	230	480	880
		25	Nm	15	45	130	230	480	880
		28	Nm	17	45	130	230	480	1100
		30	Nm	/	40	105	165	480	1100
		35	Nm	10	30	130	230	480	1100
		40	Nm	17	45	130	230	480	1100
		50	Nm	15	45	130	230	480	1100
		70	Nm	12	45	100	220	480	1100
		100	Nm	10	30	75	175	360	770
Degree Of Protection				IP65
Operation Temprature			ºC	– 10ºC to -90ºC
Weight	L1		kg	0.5	1.25	3.75	8.5	16	28.5
Weight	L2		kg	0.8	1.75	5.1	12	21.5	40

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

FAQ

1. who are we?
Hefa Group is based in ZheJiang , China, start from 1998,has a 3 subsidiaries in total.The Main Products is planetary gearbox,timing belt pulley, helical gear,spur gear,gear rack,gear ring,chain wheel,hollow rotating platform,module,etc

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

3. how to choose the suitable planetary gearbox?
First of all,we need you to be able to provide relevant parameters.If you have a motor drawing,it will let us recommend a suitable gearbox for you faster.If not,we hope you can provide the following motor parameters:output speed,output torque,voltage,current,ip,noise,operating conditions,motor size and power,etc

4. why should you buy from us not from other suppliers?
We are 22 years experiences manufacturer on making the gears, specializing in manufacturing all kinds of spur/bevel/helical gear, grinding gear, gear shaft, timing pulley, rack, planetary gear reducer, timing belt and such transmission gear parts

5. what services can we provide?
Accepted Delivery Terms: Fedex,DHL,UPS;
Accepted Payment Currency:USD,EUR,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken:English,Chinese,Japanese

Application:	Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Manipulator Machinery
Function:	Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Step:	Single-Step

Samples:	US$ 689/Piece 1 Piece(Min.Order) \| Request Sample

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

Materials Used in Manufacturing Helical Gears

Helical gears are commonly manufactured using a variety of materials to meet specific requirements for strength, durability, wear resistance, and other mechanical properties. Some of the materials commonly used for manufacturing helical gears include:

Steel: Various types of steel, such as carbon steel, alloy steel, and stainless steel, are frequently used due to their high strength, durability, and wear resistance. They are suitable for a wide range of applications and provide excellent performance.
Cast Iron: Cast iron gears are known for their cost-effectiveness and good wear resistance. They are often used in applications where heavy loads and moderate speeds are involved.
Brass: Brass gears are chosen for applications that require quiet operation and low-speed applications. They offer good corrosion resistance and are commonly used in smaller machinery.
Bronze: Bronze gears are valued for their excellent wear resistance and compatibility with lubricants. They are often used in heavy-duty applications and situations where high loads are encountered.
Plastics and Polymers: Certain plastic materials, such as nylon and acetal, are used for gears that require low noise levels and resistance to chemicals and corrosion. They are suitable for applications where lightweight components are essential.
Aluminum: Aluminum gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction and corrosion resistance are priorities.

The choice of material depends on factors such as the application’s load, speed, environment, and desired performance characteristics. Manufacturers select materials that best align with the specific requirements of the helical gear system, ensuring optimal function and longevity.

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 OEM Hot Sales Ratio 3-100 Helical Transmission Planetary Gear Boxes gearbox adjustment
editor by CX 2023-11-29

China Standard CZPT Transmission Epel-155 High Precision Planetary Gearbox for Stepper and Servo Moto manufacturer

Product Description

Precision planetary gear reducer is a new-generation of product developed by our company, with a compromise of advanced technology both at home and abroad, its main features are as follows:

1. Low noise: under 65db.

2. Low backlash: within 3 arcmin.

3. High efficiency: 97% for 1 stage, 94% for 2 stages.

4. High input speed: Rated input speed 3000rpm, max input speed 6000 rpm.

5. High output torque: higher torque output than that of conventional planetary gear reducer.

6. High stability hardening,which extends gear service life and maintain high accuracy as new after a long period of operation.

Precicion planetary gear reducer is widely used in the following fields:

1. Aerospace industries.

2. Medical health, electronic information industries.

3. Industrial robots, productin automation, CNC machine tool manufacturing industries.

4. Motor,textile,printing,food,metallurgical,envrironment protection engineering, warehouse logistics industries.

About Xingda since 1984
_{HangZhou Melchizedek Import & Export Co., Ltd. is a leader manufactur in mechanism field and punching/stamp
ing field since 1984. Our main product, NMRV worm gear speed reducer and series helical gearbox, XDR,
XDF, XDK, XDShave reached the advanced technique index of the congeneric European and Janpanese produc
ts, We offer standard gears, sprockets, chains, pulleys, couplings, bushes and so on. We also can accept orders
of non-standard products, such as gears, shafts, punching parts ect, according to customers’ Drawings or sam-
ples.}

Our company has complete set of equipment including CNC, lathes, milling machines, gear hobbing machine, g-
ear grinding machine, gear honing machine, gear shaping machine, worm grinder, grinding machines, drilling m-
achines, boringmachines, planer, drawing benches, punches, hydraulic presses, plate shearing machines and s-
o on. We have advanced testing equipments also.

Our company has established favorable cooperation relationships with sub-suppliers involving casting, raw mat-
erial, heat treatment, surface finishing and so on.

Application:	Motor, Machinery
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Gear Shape:	Helical
Step:	Single-Step
Type:	Planetary Gear Reducer

Samples:	US$ 230/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

How to Choose a Helical Gearbox

Choosing the best helical gearbox is dependent on the type of application you want to use the gear for. You will need to consider the contact ratios and the total of profile shifts required.

Spur gears are more efficient than helical gears

Compared to helical gears, spur gears have straight teeth that are parallel to the axis of the gear. Because they are more efficient, spur gears are often used in low speed applications. However, helical gears are better for low-noise and high-speed applications. Despite their advantages, spur gears are also used in some devices.
Spur gears are not as resilient as other gears. They are less efficient at transmitting power over long distances, and they generate too much noise at high speeds. They also impose a radial load on bearings. They also produce significant vibration that can limit the maximum speed of operation.
Helical gears are better at transferring loads. They are used in a number of applications, including car transmissions, elevators, and conveyors. Helical gears also generate large amounts of thrust. They are also quieter than spur gears.
Unlike spur gears, helical gears use bearings to support their thrust load. They also have more teeth, so they can handle more load than spur gears. They can also be used in non-parallel shafts.
Helical gears are generally used in high-speed mechanical systems. They also have less wear on individual teeth and are quieter running than spur gears.
Helical gears are a refinement of spur gears. They are also used in the printing industry, elevators, and gearboxes for automobiles. They are often used in conjunction with a worm gear to distribute load. They have a higher speed capacity, but they are not as efficient as spur gears. They are used in some high-speed mechanical systems because they generate less noise and vibration.
Spur gears are commonly used in low-speed applications, like rack and pinion setups. Their design makes them more efficient at transmitting power, but they are less resilient than helical gears.
Design space is limited based on a required center distance, target gear ratio, and sum of profile shifts
Using statistically derived parameters, the authors performed a multi-objective optimization of the profile shift of two external cylindrical gears. The main objective of this study was to maximize efficiency and minimize the amount of power lost in the optimized space.
To do this, the authors used a multi-objective optimization algorithm that included all aspects of the optimal profile shift. The algorithm evaluates objective function over a series of generations to determine the best solution.
The multi-objective optimization algorithm was based on a verified optimization algorithm. This algorithm combines analytical pressure loads estimation with an effective method for calculating the deformations of the gear case. Using the aforementioned formulae, the authors were able to identify a feasible solution. The numerical calculations also showed that the corresponding specific sliding coefficients were perfectly balanced.
To identify the most efficient method for determining the profile shift, the authors selected the most efficient method based on the objectives of efficiency and mass. The efficiency objective was considered to be the largest given the small size of the resulting optimization space. This objective is useful in reducing wear failures.
helical gearbox
The largest thermal treatment of a cylindrical gear is case hardening. The ISO/TR 4467:1982 standard provides a practical guide for gears. The largest radii of the pinion and wheel are rb1 and rb2. The ratio of tooth width to base circle diameter of the pinion is normally set to less than 1.
Sliding velocity increases as the distance from the pitch point increases in the line of action
Deflections of the involute profile of a helical gear occur due to the load on the teeth. However, the optimum pressure angle for the gear is not known.
The correct pressure angle for a helical gear cannot be calculated without a surface model. Assuming the pressure is uniform over the profile, a pressure angle of 20deg would be a good bet. However, this would require a mathematical model that can be derived from the Archard wear equation.
In general, the pressure angle will be influenced by the diameter, as well as the gear mesh geometry. It is important to know the actual angle of a helical gear since this will affect the curvature of the profile, the normal force, and the radial force.
The best way to measure the pressure angle is to consider the theoretical pitch diameter. If the pitch diameter is small, then the actual angle will be smaller. This will cause a gap between the flanks. However, it can also cause the gear to deform, leading to unexpected working behavior.
One interesting tangent is the pitch plane, an imaginary plane tangent to the pitch surfaces. The pitch plane is the plane perpendicular to the axial plane of the gear cross section. It is usually used as a reference point to calculate the transverse pressure angle.
The working pressure angle is the angle of the pressure line of the gear mesh. This angle is the same as the reference pressure angle, but the length of the contact line is reduced.
The best way to calculate the working pressure angle is to use the pressure line of the gear mesh. This will give a more accurate value. The actual angle of the pressure line is also related to the transmission ratio. This ratio is usually given as the nominal ratio of angular velocities. The actual velocities will fluctuate about this ratio.

Undercut of a helical gear tooth root

Having an undercut at the pinion root can affect the distribution of load along the line of contact of helical gears. This can result in higher than nominal loads on some teeth and amplitude modulated noise.
The tooth root is affected by a number of factors, including the shape of the tooth cutting tool. The cutting tool must be designed to avoid an undercut without reducing the number of teeth. This is achieved by a process called profile shifting.
Profile shift occurs when the cutting tool changes depth, thereby preventing an undercut. It is often used in the manufacturing process to achieve a greater overlap ratio. The higher the overlap ratio, the less variation there is between the contact lines. This reduces the dynamic tooth loads and reduces noise.
The profile shift is most often associated with the cutting tool tip. This is the point where the involute profile exits the gear, before the tip begins to taper. The involute profile can be defined for every transverse section of the gear face width. The boundary point is a point of tangency between the involute and root profiles.
The involute of a circle is a common way to define a gear-tooth profile. The involute is the path traced by the point on the line when rolling on a circle. It is a useful feature for cylindrical involute gears.
The helix angle is also important to the helical gear. It allows for greater contact capacity and increases the bending capacity of the gear. It must be included in specifications for helical teeth. The angle must be measurable and include the (+-) sign.
The bending strength of a tooth depends on the shape of the root. A large undercut reduces the strength of the tooth. helical gearbox

Contact ratios

Whether a helical gearbox is dynamic or steady-state, the contact ratio is a key factor. The total contact ratio defines the average number of teeth in contact in the plane of action. It is calculated by multiplying the transverse contact ratio with the overlap ratio. The overlap ratio is always non-zero.
The total contact ratio must be 1.0 or greater for a constant speed rotation on the driven side. Gears with a low total contact ratio are known to slow down rotation of the driven gear. The total contact ratio is influenced by the length of the contact line. A high contact ratio is a good choice for dynamic loading.
A low contact ratio results in a greater amount of profile shift and a larger amount of noise. If the contact ratio is too high, it may cause excessive EAP sliding velocity and cause scuffing. In addition, an uneven load share results in amplitude modulated vibrations.
A helical gear is a pair of slim spur gears. The gears are layered in a plane that runs parallel to the face width of the gear teeth. Each gear tooth makes contact with the flank of the next gear tooth. The helical gear tooth flank is a 3-dimensional surface that is a tangent to the base circles of the gears.
The tooth shape of the helical gear tooth is also a key factor in the contact ratio. The tooth form is designed to be in relation to the work piece, tooling, dedendum coefficients, tooth forces, and tooth bending stiffness. A gear tooth form must also relate to tooth surface kinematics and microgeometry modifications.
The active profile is a region of the involute profile between the start and end points. A tooth profile that satisfies the basic law of gear-tooth action is often called a conjugate profile.
China Standard CZPT Transmission Epel-155 High Precision Planetary Gearbox for Stepper and Servo Moto manufacturer
editor by CX 2023-11-10

China Good quality High Torque Industrial Transmission 90 Degree Helical Gearbox for Conveyor planetary gearbox

Product Description

KPM-KPB series helical-hypoid gearboxes are the new-generation product with a compromise of advanced technology both at home and abroad.This product is widely used in textile, foodstuff, beverage,tobacco, logistics industrial fields,etc.
Main Features:
(1) Driven by hypoid gears, which has big ratios.
(2) Large output torque, high efficiency(up to 92%), energy saving and environmental protection.
(3) High quality aluminum alloy housing, light in weight and non-rusting.
(4) Smooth in running and low in noise, and can work long time in dreadful conditions.
(5) Good-looking appearance, durable service life and small volume.
(6) Suitable for all round installation, wide application and easy use.
(7) KPM series can replace NMRV worm gearbox; KPB series can replace CZPT W series worm gearbox;
(8) Modular and multi-structure can meet the demands of various conditions.
Main Material:
(1) Housing: aluminum alloy
(2) Gear wheel: 20CrMnTiH1,carbonize & quencher heat treatment make the hardness of gears surface up to 56-62 HRC, retain carburization layers thickness between 0.3 and 0.5mm after precise grinding.

Detailed Photos

Product Parameters

Model Information:

GEARBOX SELECTING TABLES
KPM50..						n1=1400r/min				160Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5/B14	80B5/B14	90B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5/B14	80B5/B14	90B5/B14
3 Stage
KPM50C		300	294.05	4.8	130	4100		N/A	N/A	N/A
KPM50C		250	244.29	5.8	130	4100		N/A	N/A	N/A
KPM50C		200	200.44	7.0	130	4100		N/A	N/A	N/A
KPM50C		150	146.67	9.6	160	4000		N/A	N/A	N/A
KPM50C		125	120.34	12	160	3770			N/A	N/A
KPM50C		100	101.04	14	160	3560			N/A	N/A
KPM50C		75	74.62	19	160	3220			N/A	N/A
KPM50C		60	62.36	23	160	3030			N/A	N/A
KPM50C		50	52.36	27	160	2860			N/A	N/A
2 Stage
KPM50B		60	58.36	24	130	2960			N/A	N/A
KPM50B		50	48.86	29	130	2790				N/A
KPM50B		40	40.09	35	130	2610				N/A
KPM50B		30	29.33	48	160	2350				N/A
KPM50B		25	24.07	59	160	2200
KPM50B		20	20.21	70	160	2080
KPM50B		15	14.92	94	160	1880
KPM50B		12.5	12.47	113	160	1770
KPM50B		10	10.47	134	160	1670
KPM50B		7.5	7.73	182	160	1510


KPM63..,KPB63..						n1=1400r/min				180Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5/B14	80B5/B14	90B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5/B14	80B5/B14	90B5/B14
3 Stage
KPM63C	KPB63C	300	302.50	4.7	160	4800		N/A	N/A	N/A
KPM63C	KPB63C	250	243.57	5.8	160	4800		N/A	N/A	N/A
KPM63C	KPB63C	200	196.43	7.2	160	4800			N/A	N/A
KPM63C	KPB63C	150	151.56	9.3	180	4650			N/A	N/A
KPM63C	KPB63C	125	122.22	12	180	4330			N/A	N/A
KPM63C	KPB63C	100	94.50	14	180	4070			N/A	N/A
KPM63C	KPB63C	75	73.33	20	180	3650				N/A
KPM63C	KPB63C	60	63.33	23	180	3480				N/A
KPM63C	KPB63C	50	52.48	27	180	3270				N/A
2 Stage
KPM63B	KPB63B	60	60.50	24	160	3430				N/A
KPM63B	KPB63B	50	48.71	29	160	3190
KPM63B	KPB63B	40	39.29	36	160	2970
KPM63B	KPB63B	30	30.31	47	180	2720
KPM63B	KPB63B	25	24.44	58	180	2530	N/A
KPM63B	KPB63B	20	18.90	70	180	2380	N/A
KPM63B	KPB63B	15	14.67	96	180	2130	N/A	N/A
KPM63B	KPB63B	12.5	12.67	111	180	2030	N/A	N/A
KPM63B	KPB63B	10	10.50	134	180	1910	N/A	N/A
KPM63B	KPB63B	7.5	7.60	185	180	1710	N/A	N/A


KPM75..,KPB75..						n1=1400r/min						350Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
3 Stage
KPM75C	KPB75C	300	297.21	4.8	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	250	240.89	5.9	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	200	200.66	7.0	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	150	149.30	9.3	350	6500				N/A	N/A	N/A
KPM75C	KPB75C	125	121.00	12	350	5980				N/A	N/A	N/A
KPM75C	KPB75C	100	100.80	15	350	5520				N/A	N/A	N/A
KPM75C	KPB75C	75	79.40	19	350	5040					N/A	N/A
KPM75C	KPB75C	60	62.43	23	350	4730	N/A				N/A	N/A
KPM75C	KPB75C	50	49.18	29	350	4370	N/A				N/A	N/A
2 Stage
KPM75B	KPB75B	60	59.44	24	300	4660	N/A				N/A	N/A
KPM75B	KPB75B	50	48.18	30	300	4340	N/A				N/A	N/A
KPM75B	KPB75B	40	40.13	35	300	4080	N/A					N/A
KPM75B	KPB75B	30	29.86	47	350	3720	N/A	N/A				N/A
KPM75B	KPB75B	25	24.20	56	350	3500	N/A	N/A
KPM75B	KPB75B	20	20.16	71	350	3230	N/A	N/A
KPM75B	KPB75B	15	15.88	93	350	2950	N/A	N/A
KPM75B	KPB75B	12.5	12.49	113	350	2770	N/A	N/A	N/A
KPM75B	KPB75B	10	9.84	143	350	2550	N/A	N/A	N/A
KPM75B	KPB75B	7.5	7.48	188	350	2330	N/A	N/A	N/A


KPM90..,KPB86..						n1=1400r/min						500Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
3 Stage
KPM90C	KPB86C	300	297.21	4.8	450	6500			N/A	N/A	N/A	N/A
KPM90C	KPB86C	250	240.89	5.9	450	6500				N/A	N/A	N/A
KPM90C	KPB86C	200	200.66	7.0	450	6500				N/A	N/A	N/A
KPM90C	KPB86C	150	151.20	9.3	500	6500				N/A	N/A	N/A
KPM90C	KPB86C	125	125.95	12	500	5980				N/A	N/A	N/A
KPM90C	KPB86C	100	99.22	15	500	5520	N/A				N/A	N/A
KPM90C	KPB86C	75	75.45	19	500	5040	N/A				N/A	N/A
KPM90C	KPB86C	60	62.43	23	500	4730	N/A				N/A	N/A
KPM90C	KPB86C	50	49.18	29	500	4370	N/A				N/A	N/A
2 Stage
KPM90B	KPB86B	60	59.44	24	450	5890	N/A					N/A
KPM90B	KPB86B	50	48.18	30	450	5500	N/A					N/A
KPM90B	KPB86B	40	40.13	35	450	5170	N/A	N/A
KPM90B	KPB86B	30	30.24	47	500	4710	N/A	N/A
KPM90B	KPB86B	25	25.19	56	500	4430	N/A	N/A
KPM90B	KPB86B	20	19.84	71	500	4090	N/A	N/A	N/A
KPM90B	KPB86B	15	15.09	93	500	3730	N/A	N/A	N/A
KPM90B	KPB86B	12.5	12.49	113	500	3510	N/A	N/A	N/A
KPM90B	KPB86B	10	9.84	143	500	3240	N/A	N/A	N/A
KPM90B	KPB86B	7.5	7.48	188	500	2950	N/A	N/A	N/A

Outline Dimension:

Company Profile

About our company:
We are a professional reducer manufacturer located in HangZhou, ZHangZhoug province.Our leading products is full range of RV571-150 worm reducers , also supplied hypoid helical gearbox, PC units, UDL Variators and AC Motors.Products are widely used for applications such as: foodstuffs, ceramics, packing, chemicals, pharmacy, plastics, paper-making, construction machinery, metallurgic mine, environmental protection engineering, and all kinds of automatic lines, and assembly lines.With fast delivery, superior after-sales service, advanced producing facility, our products sell well both at home and abroad. We have exported our reducers to Southeast Asia, Eastern Europe and Middle East and so on.Our aim is to develop and innovate on basis of high quality, and create a good reputation for reducers.

Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

1.Q:Can you make as per customer drawing?
A: Yes, we offer customized service for customers accordingly. We can use customer’s nameplate for gearboxes.
2.Q:What is your terms of payment ?
A: 30% deposit before production,balance T/T before delivery.
3.Q:Are you a trading company or manufacturer?
A:We are a manufacurer with advanced equipment and experienced workers.
4.Q:What’s your production capacity?
A:8000-9000 PCS/MONTH
5.Q:Free sample is available or not?
A:Yes, we can supply free sample if customer agree to pay for the courier cost
6.Q:Do you have any certificate?
A:Yes, we have CE certificate and SGS certificate report.

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application:	Motor, Machinery, Marine, Agricultural Machinery
Function:	Distribution Power, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Right Angle
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	2-3 Stage

Samples:	US$ 45/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

Types of Helical Gear Arrangements

Yes, there are different types of helical gear arrangements available to suit various applications and requirements. Some of the common helical gear arrangements include:

Parallel Shaft Arrangement: In this arrangement, the axes of the driving and driven shafts are parallel to each other. It is the most straightforward configuration and is often used in applications where space is not a constraint, and the gearboxes can be placed side by side.

Right-Angle Shaft Arrangement: In a right-angle arrangement, the driving and driven shafts are positioned at a 90-degree angle to each other. This arrangement is space-saving and is commonly used in applications where the layout requires a change in direction of the power transmission.

Double Helical Gear Arrangement (Herringbone Gears): Double helical gears consist of two sets of helical teeth facing each other. This arrangement helps to cancel out axial forces and reduces the net thrust load on bearings. It is often used in heavy-duty applications to minimize wear and vibration.

Crossed Helical Gear Arrangement (Screw Gears): In this configuration, the axes of the driving and driven shafts are neither parallel nor intersecting. It is suitable for applications requiring non-parallel and non-intersecting shafts.

The choice of helical gear arrangement depends on factors such as available space, power transmission requirements, and the desired layout of the machinery or equipment. Each arrangement has its advantages and disadvantages, and selecting the appropriate one is crucial for achieving optimal performance and efficiency.

helical gearbox

Relationship Between Helix Angle and Load Capacity in Helical Gears

The helix angle of helical gears plays a significant role in determining their load-carrying capacity and overall performance. Here’s the relationship between the helix angle and load capacity:

1. Load Distribution: The helix angle affects how the load is distributed along the gear teeth. A larger helix angle results in a more gradual tooth engagement, allowing for smoother load sharing across multiple teeth. This improves the gear’s ability to handle higher loads.

2. Contact Ratio: The contact ratio, which indicates the number of teeth in contact at any given time, increases with a larger helix angle. A higher contact ratio helps distribute the load over a larger area of the gear teeth, enhancing load-carrying capacity.

3. Tooth Meshing: The helix angle affects how the teeth mesh with each other. A higher helix angle promotes gradual and smoother meshing, reducing the concentration of stress on individual teeth. This results in improved resistance to wear and fatigue.

4. Axial Thrust: Helical gears produce axial thrust due to their helical nature. This thrust can affect the gear’s ability to handle radial loads. Proper consideration of the helix angle can help manage axial thrust and prevent overloading.

5. Lubrication: The helix angle affects the lubrication conditions between gear teeth. A larger helix angle may allow better oil flow and lubrication, reducing friction and wear, thereby enhancing load capacity.

6. Noise and Vibration: The helix angle also influences noise and vibration levels in helical gears. Optimal helix angle selection can minimize noise and vibration, contributing to smoother operation and prolonged gear life.

Optimal Helix Angle Selection: While a larger helix angle generally increases load capacity, it’s important to strike a balance. Extremely large helix angles can lead to reduced tooth strength and efficiency. Engineers consider factors like application requirements, tooth strength, and noise considerations when selecting the optimal helix angle for a specific gear design.

The relationship between the helix angle and load capacity underscores the importance of proper gear design to ensure optimal performance, durability, and reliability in various applications.

helical gearbox

Limitations and Disadvantages of Helical Gear Systems

While helical gear systems offer numerous advantages, they also come with certain limitations and disadvantages:

Axial Thrust: Helical gears generate axial thrust due to the helix angle of the teeth. This thrust can cause additional load on bearings and may require additional measures to counteract.
Complex Manufacturing: The manufacturing process for helical gears is more complex than that of straight-toothed gears, which can lead to higher production costs.
Axial Length: Helical gears require more axial space compared to spur gears with the same gear ratio. This can be a limitation in applications with space constraints.
Sliding Contact: Helical gears have sliding contact between their teeth, which can result in higher friction and more heat generation compared to rolling contact gears.
Efficiency: Although helical gears are generally efficient, their efficiency can be slightly lower than that of some other gear types, especially at high speeds.
Complexity in Gearbox Design: The inclination of helical gear teeth introduces additional complexity in gearbox design and alignment.
Reverse Thrust: In some cases, reverse thrust can occur when helical gears are subjected to high axial loads, leading to undesirable effects.

It’s important to consider these limitations and disadvantages when selecting gear systems for specific applications. Despite these challenges, helical gears remain a popular choice in various industries due to their benefits and overall performance characteristics.

China Good quality High Torque Industrial Transmission 90 Degree Helical Gearbox for Conveyor planetary gearbox
editor by CX 2023-10-24

China Best Sales Industrial Power Transmission Kpm-Kpb Series Helical Hypoid Gearbox for Food Industry planetary gearbox

Product Description

Detailed Photos

Product Parameters

Model Information:

GEARBOX SELECTING TABLES
KPM50..						n1=1400r/min				160Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5/B14	80B5/B14	90B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5/B14	80B5/B14	90B5/B14
3 Stage
KPM50C		300	294.05	4.8	130	4100		N/A	N/A	N/A
KPM50C		250	244.29	5.8	130	4100		N/A	N/A	N/A
KPM50C		200	200.44	7.0	130	4100		N/A	N/A	N/A
KPM50C		150	146.67	9.6	160	4000		N/A	N/A	N/A
KPM50C		125	120.34	12	160	3770			N/A	N/A
KPM50C		100	101.04	14	160	3560			N/A	N/A
KPM50C		75	74.62	19	160	3220			N/A	N/A
KPM50C		60	62.36	23	160	3030			N/A	N/A
KPM50C		50	52.36	27	160	2860			N/A	N/A
2 Stage
KPM50B		60	58.36	24	130	2960			N/A	N/A
KPM50B		50	48.86	29	130	2790				N/A
KPM50B		40	40.09	35	130	2610				N/A
KPM50B		30	29.33	48	160	2350				N/A
KPM50B		25	24.07	59	160	2200
KPM50B		20	20.21	70	160	2080
KPM50B		15	14.92	94	160	1880
KPM50B		12.5	12.47	113	160	1770
KPM50B		10	10.47	134	160	1670
KPM50B		7.5	7.73	182	160	1510


KPM63..,KPB63..						n1=1400r/min				180Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5/B14	80B5/B14	90B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5/B14	80B5/B14	90B5/B14
3 Stage
KPM63C	KPB63C	300	302.50	4.7	160	4800		N/A	N/A	N/A
KPM63C	KPB63C	250	243.57	5.8	160	4800		N/A	N/A	N/A
KPM63C	KPB63C	200	196.43	7.2	160	4800			N/A	N/A
KPM63C	KPB63C	150	151.56	9.3	180	4650			N/A	N/A
KPM63C	KPB63C	125	122.22	12	180	4330			N/A	N/A
KPM63C	KPB63C	100	94.50	14	180	4070			N/A	N/A
KPM63C	KPB63C	75	73.33	20	180	3650				N/A
KPM63C	KPB63C	60	63.33	23	180	3480				N/A
KPM63C	KPB63C	50	52.48	27	180	3270				N/A
2 Stage
KPM63B	KPB63B	60	60.50	24	160	3430				N/A
KPM63B	KPB63B	50	48.71	29	160	3190
KPM63B	KPB63B	40	39.29	36	160	2970
KPM63B	KPB63B	30	30.31	47	180	2720
KPM63B	KPB63B	25	24.44	58	180	2530	N/A
KPM63B	KPB63B	20	18.90	70	180	2380	N/A
KPM63B	KPB63B	15	14.67	96	180	2130	N/A	N/A
KPM63B	KPB63B	12.5	12.67	111	180	2030	N/A	N/A
KPM63B	KPB63B	10	10.50	134	180	1910	N/A	N/A
KPM63B	KPB63B	7.5	7.60	185	180	1710	N/A	N/A


KPM75..,KPB75..						n1=1400r/min						350Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
3 Stage
KPM75C	KPB75C	300	297.21	4.8	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	250	240.89	5.9	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	200	200.66	7.0	300	6500			N/A	N/A	N/A	N/A
KPM75C	KPB75C	150	149.30	9.3	350	6500				N/A	N/A	N/A
KPM75C	KPB75C	125	121.00	12	350	5980				N/A	N/A	N/A
KPM75C	KPB75C	100	100.80	15	350	5520				N/A	N/A	N/A
KPM75C	KPB75C	75	79.40	19	350	5040					N/A	N/A
KPM75C	KPB75C	60	62.43	23	350	4730	N/A				N/A	N/A
KPM75C	KPB75C	50	49.18	29	350	4370	N/A				N/A	N/A
2 Stage
KPM75B	KPB75B	60	59.44	24	300	4660	N/A				N/A	N/A
KPM75B	KPB75B	50	48.18	30	300	4340	N/A				N/A	N/A
KPM75B	KPB75B	40	40.13	35	300	4080	N/A					N/A
KPM75B	KPB75B	30	29.86	47	350	3720	N/A	N/A				N/A
KPM75B	KPB75B	25	24.20	56	350	3500	N/A	N/A
KPM75B	KPB75B	20	20.16	71	350	3230	N/A	N/A
KPM75B	KPB75B	15	15.88	93	350	2950	N/A	N/A
KPM75B	KPB75B	12.5	12.49	113	350	2770	N/A	N/A	N/A
KPM75B	KPB75B	10	9.84	143	350	2550	N/A	N/A	N/A
KPM75B	KPB75B	7.5	7.48	188	350	2330	N/A	N/A	N/A


KPM90..,KPB86..						n1=1400r/min						500Nm

Model		i	i	n2	M2max	Fr2	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
Model		nominal	actual	[r/min]	[Nm]	[N]	63B5	71B5	80B5/B14	90B5/B14	100B5/B14	112B5/B14
3 Stage
KPM90C	KPB86C	300	297.21	4.8	450	6500			N/A	N/A	N/A	N/A
KPM90C	KPB86C	250	240.89	5.9	450	6500				N/A	N/A	N/A
KPM90C	KPB86C	200	200.66	7.0	450	6500				N/A	N/A	N/A
KPM90C	KPB86C	150	151.20	9.3	500	6500				N/A	N/A	N/A
KPM90C	KPB86C	125	125.95	12	500	5980				N/A	N/A	N/A
KPM90C	KPB86C	100	99.22	15	500	5520	N/A				N/A	N/A
KPM90C	KPB86C	75	75.45	19	500	5040	N/A				N/A	N/A
KPM90C	KPB86C	60	62.43	23	500	4730	N/A				N/A	N/A
KPM90C	KPB86C	50	49.18	29	500	4370	N/A				N/A	N/A
2 Stage
KPM90B	KPB86B	60	59.44	24	450	5890	N/A					N/A
KPM90B	KPB86B	50	48.18	30	450	5500	N/A					N/A
KPM90B	KPB86B	40	40.13	35	450	5170	N/A	N/A
KPM90B	KPB86B	30	30.24	47	500	4710	N/A	N/A
KPM90B	KPB86B	25	25.19	56	500	4430	N/A	N/A
KPM90B	KPB86B	20	19.84	71	500	4090	N/A	N/A	N/A
KPM90B	KPB86B	15	15.09	93	500	3730	N/A	N/A	N/A
KPM90B	KPB86B	12.5	12.49	113	500	3510	N/A	N/A	N/A
KPM90B	KPB86B	10	9.84	143	500	3240	N/A	N/A	N/A
KPM90B	KPB86B	7.5	7.48	188	500	2950	N/A	N/A	N/A

Outline Dimension:

Company Profile

Packing information:Plastic Bags+Cartons+Wooden Cases , or on request
We participate Germany Hannver Exhibition-ZheJiang PTC Fair-Turkey Win Eurasia

Logistics

After Sales Service

1.Maintenance Time and Warranty:Within 1 year after receiving goods.
2.Other Service: Including modeling selection guide, installation guide, and problem resolution guide, etc.

FAQ

Contact information:
Ms Lingel Pan
For any questions just feel free ton contact me. Many thanks for your kind attention to our company!

Application:	Motor, Machinery, Marine, Agricultural Machinery, Industry
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Layout:	Right-Angle
Gear Shape:	Hypoid Gear
Step:	Two Stage-Three Stage

Samples:	US$ 45/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

Using Helical Gearboxes for Speed Reduction and Speed Increase

helical gearbox

Software Tools for Simulating Helical Gear Behavior

Several software tools are available for simulating the behavior of helical gears under different conditions. These tools aid engineers in designing and analyzing helical gear systems for optimal performance and reliability. Some notable software tools include:

KISSsoft: KISSsoft is a widely used software for the design and analysis of mechanical components, including helical gears. It offers comprehensive calculations for gear geometry, load distribution, contact stresses, and more. The software assists in optimizing gear designs and predicting their behavior under various operating conditions.
AGMA Rating Suite: The American Gear Manufacturers Association (AGMA) offers software tools that follow AGMA standards for gear design and analysis. These tools provide accurate calculations for gear rating, efficiency, and durability under different load scenarios.
ANSYS Mechanical: ANSYS Mechanical is a versatile simulation software used for finite element analysis (FEA) of mechanical systems, including helical gears. It allows engineers to perform detailed stress and deformation analysis, simulate contact patterns, and assess the effects of different loads and boundary conditions.
Gleason CAGE: Gleason’s Computer-Aided Gear Engineering (CAGE) software specializes in gear design and optimization. It offers advanced tools for gear tooth profile generation, simulation of meshing behavior, and optimization of gear parameters.
MAGMA Soft: MAGMA Soft provides casting simulation software that can be used to predict the solidification behavior and mechanical properties of casted gear components, which is essential for ensuring quality and performance.
Siemens NX: Siemens NX software includes gear design and analysis capabilities, allowing engineers to simulate gear behavior, calculate load distribution, and optimize gear designs within a comprehensive CAD/CAE environment.

These software tools enable engineers to model and analyze helical gears in a virtual environment, helping them make informed design decisions, optimize gear geometry, and assess gear performance under different conditions. By utilizing these tools, engineers can create reliable and efficient helical gear systems for various industrial applications.

helical gearbox

Advantages of Helical Gearboxes in Industrial Applications

Helical gearboxes offer several advantages that make them well-suited for a wide range of industrial applications. Here are some of the key advantages:

Smooth and Quiet Operation: The helical design of the gears results in gradual tooth engagement, reducing noise and vibration during operation. This makes helical gearboxes ideal for applications where noise reduction is important.
High Efficiency: Helical gears provide a larger contact area compared to straight-cut gears, leading to improved power transmission efficiency. The gradual engagement of teeth also reduces energy losses due to friction.
Higher Load Capacity: The helical angle allows for multiple teeth to be engaged simultaneously, distributing the load across a larger area. This results in higher load-carrying capacity and increased durability of the gearbox.
Compact Design: Helical gearboxes can achieve high gear ratios with fewer gear stages, leading to a more compact overall design. This is advantageous in applications where space is limited.
Wide Range of Ratios: Helical gearboxes can achieve a wide range of gear ratios, making them versatile for various speed and torque requirements.
Less Backlash: The gradual tooth engagement of helical gears results in reduced backlash, which is the play between gear teeth. This leads to improved accuracy and positioning in applications that require precise motion control.
Heat Dissipation: The helical design allows for better heat dissipation due to the continuous contact between gear teeth. This is beneficial in high-speed applications where heat generation can be a concern.
Highly Customizable: Helical gearboxes can be customized to meet specific application requirements, including input and output configurations, gear ratios, and mounting options.

Overall, the advantages of helical gearboxes make them a popular choice in industries such as manufacturing, automation, robotics, material handling, and more.

China Best Sales Industrial Power Transmission Kpm-Kpb Series Helical Hypoid Gearbox for Food Industry planetary gearbox
editor by CX 2023-10-09

China manufacturer High Torque NEMA34 Stepper Motor Helical Transmission Planetary Gearboxes gearbox drive shaft

Product Description

High Torque NEMA34 Stepper Motor Helical Transmission Planetary Gearboxes

Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.

Product Description

Characteristics:

1. Split design, more output options
2. The input and output dimensions can be seamlessly switched with the straight tooth series
3. The double support cage planet carrier has high reliability and is suitable for high-speed and frequent CZPT and reverse rotation
4. The design of double-stage single support support has high cost performance
5. Keyway can be opened for the force shaft
6. Helical gear transmission is more stable and has large bearing capacity
7. Accurate positioning of low return clearance
8. Specification range: 60-120mm
9. Speed ratio range: 3-100
10. Accuracy range: 1-3 arcmin (P1); 3-5 arcmin (P2)

Specifications				PW60	PW90	PW120
Technal Parameters				PW60	PW90	PW120
Max. Torque			Nm	1.5times rated torque
Emergency Stop Torque			Nm	2.5times rated torque
Max. Radial Load			N	1350	3100	6100
Max. Axial Load			N	630	1300	2800
Torsional Rigidity			Nm/arcmin	5	10	20
Max.Input Speed			rpm	6000	6000	6000
Rated Input Speed			rpm	4000	3000	3000
Noise			dB	≤58	≤60	≤65
Average Life Time			h	20000
Efficiency Of Full Load			%	L1≥95% L2≥90%
Return Backlash	P1	L1	arcmin	≤3	≤3	≤3
	P1	L2	arcmin	≤5	≤5	≤5
	P2	L1	arcmin	≤5	≤5	≤5
	P2	L2	arcmin	≤7	≤7	≤7
Moment Of Inertia Table	L1	3	Kg*cm2	0.16	0.61	3.25
		4	Kg*cm2	0.14	0.48	2.74
		5	Kg*cm2	0.13	0.47	2.71
		7	Kg*cm2	0.13	0.45	2.62
		8	Kg*cm2	0.13	0.45	2.62
		10	Kg*cm2	0.13	0.40	2.57
	L2	12	Kg*cm2	0.13	0.61	0.45
		15	Kg*cm2	0.13	0.61	0.45
		20	Kg*cm2	0.13	0.45	0.45
		25	Kg*cm2	0.13	0.40	0.40
		28	Kg*cm2	0.13	0.45	0.45
		30	Kg*cm2	0.13	0.67	0.45
		35	Kg*cm2	0.13	0.45	0.45
		40	Kg*cm2	0.13	0.45	0.45
		50	Kg*cm2	0.13	0.40	0.40
		70	Kg*cm2	0.13	0.40	0.40
		100	Kg*cm2	0.13	0.40	0.40
Technical Parameter	Level	Ratio		PW60	PW90	PW120
Rated Torque	L1	3	Nm	35	100	165
		4	Nm	43	125	220
		5	Nm	43	125	220
		7	Nm	40	98	200
		8	Nm	40	90	200
		10	Nm	25	70	150
	L2	12	Nm	35	/	165
		15	Nm	35	100	165
		20	Nm	43	125	220
		25	Nm	43	125	220
		28	Nm	43	125	220
		30	Nm	35	100	165
		35	Nm	43	125	210
		40	Nm	43	125	210
		50	Nm	43	125	210
		70	Nm	40	98	200
		100	Nm	25	70	150
Degree Of Protection				IP65
Operation Temprature			ºC	– 10ºC to -90ºC
Weight	L1		kg	1.2	2.8	7.6
Weight	L2		kg	1.55	3.95	10.5

Company Profile

Packaging & Shipping

1. Lead time: 7-10 working days as usual, 20 working days in busy season, it will be based on the detailed order quantity;
2. Delivery: DHL/ UPS/ FEDEX/ EMS/ TNT

FAQ

2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;

Application:	Motor, Motorcycle, Machinery, Marine, Agricultural Machinery, Packaging Machinery
Function:	Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Vertical Type
Step:	Single-Step

Samples:	US$ 185/Piece 1 Piece(Min.Order) \| Request Sample

Customization:	Available \| Customized Request

helical gearbox

Role of Helical Gearboxes in Automotive Transmissions

Helical gearboxes play a crucial role in automotive transmissions, contributing to the efficient power transfer and smooth operation of vehicles:

Power Transmission: Helical gearboxes are used to transmit power from the engine to the wheels through different gear ratios. They help in converting the high-speed, low-torque output of the engine into the appropriate speed and torque for the wheels.
Smooth Shifting: In manual and automatic transmissions, helical gears are often used to provide smooth and quiet gear shifts. The gradual engagement of helical gear teeth helps in reducing the shock and noise associated with gear changes.
Noise Reduction: Helical gears are known for their quieter operation compared to other gear types. This is especially important in automotive applications where minimizing noise and vibration is desired for a comfortable driving experience.
Efficiency: The efficiency of helical gearboxes helps in optimizing fuel efficiency and reducing energy losses. This is crucial for improving the overall performance and economy of vehicles.
Load Distribution: Helical gears distribute the load over multiple teeth, reducing wear and ensuring the gearbox’s longevity. This is important in vehicles that experience varying loads and driving conditions.
Torque Handling: Helical gears can handle higher torque loads compared to some other gear types. This is essential for vehicles, especially those with powerful engines, towing capabilities, or off-road use.

In modern automotive transmissions, helical gearboxes can be found in various components, including the main transmission, differential, and gearbox synchronizers. They contribute to the smooth operation, improved fuel efficiency, and overall performance of vehicles. The design and arrangement of helical gears can be tailored to meet the specific requirements of different vehicle types, making them a versatile choice for automotive applications.

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

Lubrication Requirements for Maintaining Helical Gearboxes

Lubrication is essential for the proper functioning and longevity of helical gearboxes. The lubrication requirements include:

Viscosity: Selecting a lubricant with the appropriate viscosity is crucial. The viscosity should provide sufficient lubrication and ensure a protective film between gear teeth under varying operating conditions.
Extreme Pressure (EP) Properties: Helical gears often experience high contact pressures. Lubricants with EP additives form a protective barrier that prevents metal-to-metal contact and reduces wear.
Oil Additives: Anti-wear additives, antioxidants, and corrosion inhibitors enhance the lubricant’s performance and protect gears from wear and degradation.
Frequent Inspections: Regularly inspect the lubricant’s condition to detect contamination, degradation, or depletion. Scheduled oil analysis can help monitor the health of the lubricant.
Proper Lubricant Application: Ensure the gearbox is properly filled with the correct amount of lubricant. Follow manufacturer recommendations for lubricant type and quantity.
Lubricant Change Intervals: Establish regular lubricant change intervals based on operating conditions. Extreme conditions or heavy loads may require more frequent changes.

Appropriate lubrication minimizes friction, wear, and heat generation, leading to improved efficiency, reduced maintenance, and extended gearbox life. It’s crucial to follow the manufacturer’s guidelines and consult with lubrication experts to select the right lubricant and maintenance practices for your specific helical gearbox application.

China manufacturer High Torque NEMA34 Stepper Motor Helical Transmission Planetary Gearboxes gearbox drive shaft
editor by CX 2023-09-25

China OEM Helical Worm Planetary Bevel Gearbox Transmission Motor Mixer Reducer Gearboxes China Manufacturer helical gears advantages and disadvantages

Product Description

helical worm planetary bevel gearbox transmission motor mixer reducer gearboxes China manufacturer

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

helical gearbox

Helical Gearbox

Using a helical gearbox can greatly improve the accuracy of a machine and reduce the effects of vibration and shaft axis impact. A gearbox is a circular machine part that has teeth that mesh with other teeth. The teeth are cut or inserted and are designed to transmit speed and torque.

Sliding

Among the many types of gearboxes, the helical gearbox is the most commonly used gearbox. This is because the helical gearbox has a sliding contact. The contact between two gear teeth begins at the beginning of one tooth and progresses to line contact as the gear rotates.
Helical gears are cylindrical gears with teeth cut at an angle to the axis. This angle enables helical gears to capture the velocity reversal at the pitch line due to the sliding friction. This leads to a much smoother motion and less wear. Moreover, the helical gearbox is more durable and quieter than other gearboxes.
Helical gears are divided into two categories. The first group comprises of crossed-axis helical gears, commonly used in automobile engine distributor/oil pump shafts. The second group comprises of zero-helix-angle gears, which do not produce axial forces. However, they do create heat, which causes loss of efficiency.
The helical gearbox configuration is often confounded, which results in higher working costs. In addition, the helical gearbox configuration does not have the same torque/$ ratio as zero-helix angle planetary gears.
When designing gears, it is important to consider the effects of gear sliding. Sliding can lead to friction, which can cause loss of power transmission. It also leads to uneven load distribution, which decreases the loadability of the helical planetary gearbox.
In addition, the mesh stiffness of helical gears is commonly ignored by researchers. An analytical model for the mesh stiffness of helical gears has been proposed.

Axial thrust forces

Several options are available for axial thrust forces in helical gearboxes. The most obvious is to use a double helical gear to offset the force component. Another option is to use a thrust bearing with a lower load carrying capacity. This becomes a sacrificial component.
In order to transmit a force, it must be distributed along the contact line. This force is the sum of tangential, radial and axial force components. All these components must be transferred from the source to the output. This is a complex process that involves the use of gears.
The axial force component must be transferred through the gears. The resultant force is then divided into orthogonal components and divided into the thrust directions. The radial force component is from the contact point to the driven gear center.
The axial force component is also determined by the size of the gear’s pitch diameter. A larger pitch diameter results in a greater bearing moment. Similarly, a larger gear ratio will produce a higher torque transmission.
It should be noted that the axial force component is only a small part of the total force. The normal force is distributed along the contact line.
The double helical gear is also not a perfect duplicate of the herringbone gear. It has two equal halves. It is used interchangeably with the herringbone gear. It also has the same helix angle. helical gearbox

Reduced impact on the shaft axis

Increasing the helix angle of a gear pair will reduce resonance effects on the shaft axis of a helical gearbox. However, this will not reduce the overall vibration in the gearbox. In fact, it will increase the vibration. This can lead to serious fatigue faults in the drive train.
This is because the helix angle has an effect on the contact line between two teeth. As the helix angle increases, the length of the contact line decreases. In addition, it has an effect on the normal force and curvature radii of the teeth. The pressure angle also affects the curvature radii.
Helical gears have several advantages over spur gears. These advantages include: lower vibration, NVH (noise, vibration and harshness) characteristics, and smooth operation under heavy loads. They also have better torque capability. However, they produce higher friction. They also require unique approaches to control their thrust forces.
The first step in reducing resonance effects is to regulate the meshing frequency of the helical gear stage. This can be done by varying the shift factors in the gear. If the shift factors are too large, then the gear will experience resonance effects. The helix angle is also affected by the gear’s shift factors. It is therefore important to control the gear’s geometry in order to reduce the resonance effects.
Next, the effects of the web structure and rim thickness on the root stress of the gear are examined. These are measured by strain gage. The results indicate that the maximum root stress is obtained when the worst meshing position is reached.

Quieter operation

Compared to spur gears, helical gears are much quieter in operation. This is due to their larger teeth. Aside from this, they have a higher load-carrying capacity. They also run smoother and have a higher speed capability. Helical gears are also a good substitute for spur gears.
The most significant parameter relating to noise reduction is the gear contact ratio. It ranges from below 1 to more than 10 and is determined by the number of teeth intersecting a parallel shaft line at the pith circle. It is also a good indicator of the level of noise reduction that helical gears provide.
In addition, helical gears have a lower impulse flexure than spur gears. This is because the contact point slides along the helical surface of each tooth. This also adds internal damping to the gear system.
While helical gears are less noisy than spur gears, they do have a high level of wear and tear. This can affect the performance of the gear. However, it is possible to improve the smoothness of the tooth surface by grinding. In addition, running the gears in oil can also help improve the smoothness of the tooth surface.
There are many industries that use helical gears. For example, the automotive industry uses them in their transmissions. They also are used in the agricultural industry. They are often used in heavy trucks.
Helical gears are also known to generate less heat and are quieter than other gears. They can also deliver parallel power transfers between parallel or non-parallel shafts.

Improved accuracy

Increasing the accuracy of a helical gearbox is the key to its operation and reliability. The accuracy of the gearbox is dependent on several features. Among the most important are the profile and lead. Moreover, the power requirements of a gear drive should be taken into consideration.
The profile is the most sensitive feature of a helical gear. If the profile is not symmetric, the gear will run with a noisy spur gear. In addition, the profile is also the most sensitive to lead.
A helical gearbox plays a key role in the power transmission of industrial applications. However, the heavy duty operating conditions make it susceptible to a variety of faults.
A helical gearbox’s performance depends on the accuracy of the individual gears. This is accomplished by minimizing the backlash. A common way to reduce backlash is to approach all target positions from a common direction. This approach also reduces transmission noise.
The accuracy of a helical gearbox can be improved by using a flexible electronic gearbox. This can reduce the degree of twist. Moreover, it can increase the accuracy of gear machining.
A helical gearbox with an electronic gearbox can increase the accuracy of twist compensation. It can also improve the linkage between B-axis, C-axis, and Z-axis. Moreover, the electronic gearbox will ensure the linkage relationship between Y-axis, Z-axis, and C-axis.
The accuracy of a helical Gearbox can be improved by calculating the position error of the gear train. Pitch deviation and helix angle deviation are two types of position error.

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China OEM Helical Worm Planetary Bevel Gearbox Transmission Motor Mixer Reducer Gearboxes China Manufacturer helical gears advantages and disadvantages
editor by CX 2023-06-01

China best Plastic Extruder Gearbox Right Angle Nmrv 90 Deagree Brushed Motor Worm Wheel Dune Buggy Small Speed Increasing Helical Planetary Power Transmission Gel Blaster helical bevel gearbox manufacturers

Product Description

Plastic extruder gearbox right angle nmrv 90 deagree brushed motor worm wheel dune buggy small speed increasing helical planetary power transmission gel blaster

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:	Three-Ring
Hardness:	Hardened Tooth Surface
Installation:	Torque Arm Type
Step:	Stepless

Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

helical gearbox

Helical Gearbox

Sliding

Axial thrust forces

Reduced impact on the shaft axis

Quieter operation

Improved accuracy

Reduced vibration

Using helical gearboxes can reduce vibration and noise. These gears are used in a variety of applications, including automotive transmissions. Moreover, these gears are quiet enough to operate in noise-sensitive applications.
Using CZPT software, three different gearbox housing designs are compared. The external dimensions and mass of each design are kept constant, but different quantities of longitudinal and transverse stiffeners are employed. The resulting models are then compared to experimental results. In addition, the free vibration response of these models is analyzed. The results are shown in Fig. 5.
In terms of noise reduction, the cellular model produces the lowest sound pressure level. However, the cross model produces the higher sound level. The cellular model also produces better peak to peak results.
The input-stage gear pair is the power source of the output-stage gear pair. The output-stage gear pair’s vibration is also studied. This includes a phase diagram and a frequency-domain diagram. The influence of the driving torque and the pinion’s velocity on the vibration is studied in a numerical manner. The time evolution of the normal force and the lubricant stiffness is also studied.
The input-stage pinion modification reduces the input-stage gear pair’s vibration. This reduction is achieved by adding dual bearing support to the input shaft.
China best Plastic Extruder Gearbox Right Angle Nmrv 90 Deagree Brushed Motor Worm Wheel Dune Buggy Small Speed Increasing Helical Planetary Power Transmission Gel Blaster helical bevel gearbox manufacturers
editor by CX 2023-04-19

China Power Transmission Worm Spur Helical Planetary Agricultural Worm Gearbox Speed Reducer Gear Motor Worm Reducer Gearbox Studios Gearbox Manufacturer helical gearbox for sale

Solution Description

Electrical power Transmission Worm Spur Helical Planetary agricultural Worm Gearbox Speed reducer Equipment Motor worm Reducer Gearbox Studios Gearbox manufacturer

US $10-999
/ Piece
| 100 Pieces

(Min. Order)

###

Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

###

Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

US $10-999
/ Piece
| 100 Pieces

(Min. Order)

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Application:	Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car
Function:	Distribution Power, Clutch, Change Drive Torque, Change Drive Direction, Speed Changing, Speed Reduction, Speed Increase
Layout:	Coaxial
Hardness:	Hardened Tooth Surface
Installation:	Horizontal Type
Step:	Three-Step

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Samples:	US$ 9999/Piece 1 Piece(Min.Order) \| Request Sample

Advantages of a Helical Gearbox

Usually helical gearboxes are used for industrial purposes. They are usually found in power generation units, where the input of energy is converted into output. There are several different types of helical gearboxes, including spiral and herringbone. You should familiarize yourself with the different types before choosing one for your project.

Helix angle

Generally, the angle between a gear tooth and its shaft axis is called the helix angle. This angle is important in motion conversion and power transfer. It is not to be confused with the lead angle, which is used to reference a line perpendicular to the axis of the gear.
The helical gearbox is used in several industrial applications. The oil and sugar industries, blowers, and feeders are among those that utilize helical gears. They are smoother than spur gears, and they also have quieter operation.
Helical gearboxes can be made modularly. This allows for more economical construction and interchangeability of components. These gearboxes are also used in enclosed gear systems. In a helical gearbox, each section of the box must stagger in a different direction. This helps in maintaining the integrity of the component.
Helical gears can be used in applications that require a high degree of quality control. This is necessary to minimize the effects of wear and tear. The use of extreme pressure lubricants is recommended for helical gears that operate at right angles. However, these are not recommended for bronze gears.
Besides the helix angle, the contact ratio also affects the performance of the gear. The more surface contact between the teeth, the greater the sliding. The heat produced is also detrimental to performance. It is necessary to use a lubricant that will reduce friction between the tooth surfaces. Proper lubrication reduces wear and minimizes heat.
When determining the optimum helix angle for a gear, it is important to consider the diameter of the gear. Helical gears have a minimum helix angle of 15 to 30 degrees. A higher helix angle increases the axial force generated by the gear, and a lower helix angle increases the contact stress.

Spiral gears

Using spiral gears in a helical gearbox offers several advantages, including smoothness and quiet operation. In addition, helical gearboxes are highly effective and can tolerate more load. Spiral gears are also more cost effective. However, they are more difficult to produce.
Helical gears are similar to spur gears in that they have teeth at an angle. However, the helix angle of the teeth in a helical gear is not fixed. This angle affects the position of the tooth’s contact with the mating gear. It also affects the normal force of the teeth.
The helix angle of the gear’s teeth is also dependent on the direction of rotation of the gear. For example, a spiral gear with a helix angle of 15 degrees is usually perpendicular to the axis of the gear. Similarly, a helical gear with a helix angle of 30 degrees is usually oblique to the axis of the gear.
Helical gears also provide a method for connecting shafts that are not parallel. These gears are usually used in industries such as conveyors, food industries, plastic industries, and oil industries. The main advantage of helical gears is that they are smoother than spur gears. However, the downside is higher wear and friction.
Helical gears are also used to transmit motion between parallel shafts. Helical gears are also used in high-load applications. This makes them a good choice for heavy-duty applications.
Helical gears are also superior to spur gears in load carrying capacity. Helical gears are smoother and quieter than spur gears. However, they also have a higher friction factor. In addition, they require special hobbing cutters.
Helical gears can also be classified according to their reference section in the standard plane. The center gap of helical gears with a reference section in the turning plane is the same as that of spur gears. helical gearbox

Herringbone gears

Among the different types of gearboxes, the helical gearbox is one of the most common. It is widely used in industrial applications, such as geared motors, worm gearboxes, and planetary gear trains.
A helical gear is a directional gear with a vertical axis. Its unique feature is the helix angle, which is the angle of the helix on the indexing cylindrical surface. The helix angle is set to a value of eight to fifteen degrees in design. The real radial pitch, which is the pitch of the gear when it rotates clockwise, varies with the helix angle.
Helical gears are classified according to the reference section in the turning and standard planes. Helical gears with a reference section in the standard plane have the same number of teeth as spur gears. On the other hand, helical gears with a reference section in a turning plane have the same center gap as spur gears.
The main advantage of helical gears is the high power-to-weight ratio. Aside from that, they are compact and have good meshing performance.
Another advantage is their high torque carrying capacity. This can be achieved by increasing the helix angle. The larger the helix angle, the smoother the gear’s motion. Moreover, the larger the helix angle, the larger the coincidence degree. This is useful in applications with high shock and vibration.
The production process for herringbone gears is more difficult and expensive than the other types. It is difficult to cut and shape herringbone gears. A simple gear hobbing machine is not suitable for this type of gear. However, the milling process can be used to process some herringbone gears.
Some of the problems related to herringbone gears are a lack of axial load, high friction and the interference of axial component forces. The meshing of teeth in herringbone gears can help reduce these problems.

Noise, vibration & harshness (NVH) characteristics

NVH testing is an important aspect of new driveline product development. It is typically performed during passenger car development, and is used for quality assurance of exterior and interior noise. This is an important topic in hybrid vehicles and electric vehicles, and continues to grow as the automotive industry expands.
A typical NVH test involves a rolling road dynamometer and signals are recorded and stored on a hard disk. These are then processed to produce variation distributions. Among other things, a lumped parameter system dynamics model was developed to run large size DOE studies efficiently.
Among the many components in the NVH chain, the bevel gear plays a major role in the final drive. Its characteristics are complex and time-varying, but they are important enough to be studied.
A new bevel gear OTE calculation method will be discussed in this paper. It is important to note that the NVH performance of an electric drive helical gear transmission system can be improved by thermal deformation of the bearing. It is also possible to achieve robust NVH performance in aluminum axle design by optimizing gear design, bearing optimization, and driveline system dynamics.
The gear train also has some lesser-known NVH performance characteristics. It is known that a gear train is an excitation source, and this is the topic of another study. It is also important to note that a helical gear system will exhibit non-linear behaviors when it changes working speed. helical gearbox

Applications

Compared to spur gears, helical gears offer greater load carrying capacity and smoother operation. They are also quieter, as the gears have larger teeth. These are the main reasons for their widespread use.
The main difference between helical gears and spur gears is the way teeth are cut. Teeth in helical gears are cut at an angle, in order to allow more teeth to interact in the same direction. This reduces shock loads and vibration. Helical gears are also much more durable than spur gears.
Helical gears can be used in a variety of applications. They are often chosen over spur gears for applications that require non-parallel shafts. They are also popular in the printing industry, the plastics industry, and the cement industry. They can also be used in conveyors and coolers.
Helical gears are made of a material that provides excellent durability, corrosion resistance, and a strong working load. They are also less expensive to produce. They are attached to a shaft using a press fit or adhesive. The attachment method can be a hub or an integral shaft.
Helical gears are also produced in a radial module form. This is the most economical option. This allows helical gears to be manufactured in a compact format. It also ensures that the bearing positioning requirements are met.
Helical gears are also produced with special grinding stones. These are needed for every helix angle. The helix angle determines the real radial pitch. This also affects the normal force of the tooth.
When mating helical gears to parallel shafts, they are right-handed. These gears can be made with a normal module set or by using special hobbing tools.
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editor by czh 2022-12-27