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China Standard Low Price Bevel Helical Gear Box Speed Electric Gearmotor Reducer Machine Gearbox with OEM Custom best automatic gearbox

Product Description


K187 gear reducer motor 45KW 55KW 90 degree high quality helical bevel gear

Product Description

 

Product Description

-K Series Helical Bevel Gearbox
 

K series gear reducer, manufactured according to international technical requirements, has a high scientific and technological content; Space saving, reliable and durable, high overload capacity, power up to 132KW; Low energy consumption, superior performance, reducer efficiency up to 95%
It is designed and manufactured on the basis of module combination system. There are a lot of motor combinations, installation forms and structural schemes. The transmission ratio is classified carefully to meet different operating conditions and realize electromechanical integration.

High transmission efficiency, low energy consumption and superior performance.

Reinforced high rigid cast iron box; The hardened gear is made of high-quality alloy steel. Its surface is carburized, quenched and hardened, and the gear is finely ground. It features stable transmission, low noise, large bearing capacity, low temperature rise, and long service life. Performance and characteristics:

1. The gear is carburized and quenched with high-quality alloy, the hardness of the tooth surface is up to 60 ± 2hrc, and the grinding accuracy of the tooth surface is up to 5-6

2. The computer modification technology is used to pre modify the gear, which greatly improves the bearing capacity of the reducer

3. Complete modular structure design is adopted from the box to the internal gear, which is suitable for large-scale production and flexible selection

4. The standard reducer models are divided according to the form of decreasing torque. Compared with the traditional equal proportion division, they are more in line with customer requirements and avoid power waste

5. It is designed and manufactured by cad/cam to ensure the stability of quality

6. Multiple sealing structures are adopted to prevent oil leakage

7. Multi directional noise reduction measures to ensure the excellent low noise performance of the reducer

8. The installation mode of Liyi products is flexible, which makes it easy for customers to choose K57 reducer, K67 reducer, K77 reducer, K87 reducer, K97 reducer, KA87 reducer, KA97 reducer, KA107 reducer, KA127 reducer

Product Features
1. Input mode: Coupled motor, belted motor, input shaft or connection flange.
2. Output: Right angle
3. Compact structure. Rigid tooth face. Carrying greater torque, high loading capacity.
4.High precision gear, ensuring the unit to operate stably, smooth transmission.
5. Low noise, long lifespan. Large overlap coefficient, abrasion resistant.

 

Product Parameters

Brand Name

CZPT

Product Name

K Helical-bevel gear units

Material

Steel or cast iron

Weight

11Kg-1700Kg

Color

Customizable

Heat treatment

Carburising,Quenching,Gear Grinding

Advantage

1.K series spiral bevel gear reducer with small vibration, low noise, energy saving.

2.Selection of high quality steel material, steel cast iron box, gear surface after high frequency heat treatment.


 

K series product performance

High transmission efficiency, low energy consumption and superior performance. High rigidity cast iron box with ribs; hard-toothed gears are made of high-quality alloy steel, the surface is carburized and quenched and hardened, and the teeth are finely machined, with stable transmission, low noise, large bearing capacity, low temperature rise and long service life.

Our process of production

Our product line

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Hardness: Hardened Tooth Surface
Installation: 90 Degree
Layout: Expansion
Gear Shape: Bevel Gear
Step: Single-Step
Type: Gear Reducer
Samples:
US$ 1000/Piece
1 Piece(Min.Order)

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Request Sample

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:

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

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 Standard Low Price Bevel Helical Gear Box Speed Electric Gearmotor Reducer Machine Gearbox with OEM Custom   best automatic gearbox	China Standard Low Price Bevel Helical Gear Box Speed Electric Gearmotor Reducer Machine Gearbox with OEM Custom   best automatic gearbox
editor by CX 2024-04-24

China Custom Zlyj133/146/173/200/225/250/375/420 Helical Gear Box CZPT Extruder Gearbox for Extruded Machine planetary gearbox

Product Description

ZLYJ133/146/173/200/225/250/375/420 helical gear box CZPT extruder gearbox for extruded machine

< ABOUT TILI 

Technical data

 

Product Name

ZLYJ133/146/173/200/225/250/375/420 helical gear box CZPT extruder gearbox for extruded machine

Power 0.12KW~160KW    
Torque 1.4N · m ~ 36600N · m   
Output speed 0.06 ~ 1090r/min
Gear material 20CrMnTi alloy steel
Gear Processing   Grinding finish by HOFLER Grinding Machines
Noise Test Below 65dB
Brand of bearings C&U bearing, ZWZ,LYC, HRB, CZPT ,etc
Brand of oil seal NAK or other brand
Temp. rise (MAX) 40ºC  
Temp. rise (Oil)(MAX 50ºC  
Vibration ≤20µm
Housing hardness HBS190-240
Surface hardness of gears HRC58°~62 °
Gear core hardness HRC33~40
Machining precision of gears 5 Grade
Lubricating oil GB L-CKC220-460, Shell Omala220-460
Heat treatment Carburizing, Quenching etc
Efficiency 95%~96% (depends on the transmission stage)
Bearing output mode parallel output 
Installation type and output mode Bottom seated type  flange type installation, solid,hollow shaft output.
Input mode Direct motor, shaft input and connecting flange input
Input Method Flange input(AM), shaft input(AD), inline AC motor input, or AQA servo motor

 

Installation Instructions

 

Company Profile

< WORKSHOP

< QUALITY CONTROL

 

Certifications

Packaging & Shipping

FAQ

 

Q 1: Are you a trading company or a manufacturer?
A: We are a professional manufacturer specializing in manufacturing various series of reducer.

Q 2:Can you do OEM?
A:Yes, we can. We can do OEM for all the customers .if you want to order NON-STANDERD speed reducers,pls provide Drafts, Dimensions, Pictures and Samples if possible.

Q 3: How long is your warranty?
A: Our Warranty is 12 months under normal circumstances.

Q 4: Do you have inspection procedures for reducer?
A:100% self-inspection before packing.

Q 5: Can I have a visit to your factory before the order?
A: Sure, welcome to visit our factory.

Q 6:How to choose a gearbox? What if I don’t know which gear reducer I need?
A:You can refer to our catalogue to choose the gearbox or we can help to choose when you provide,the technical information of required output torque, output speed and motor parameter etc. Don’t worry, Send as much information as you can, our team will help you find the right 1 you are looking for.

Q 7: What information shall we give before placing a purchase order?
A:a) Type of the gearbox, Size , Transmission Ratio, input and output type, input flange, mounting position, motor information and shaft deflection etc. b)Housing color.c) Purchase quantity. d) Other special requirements

Q 8:What is the payment term?
A:You can pay via T/T(30% in advance as deposit before production +70% before delivery

 

 

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Application: Motor, Machinery, Agricultural Machinery, Industrial Automation Equipment, Chemical Industry
Function: Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction
Layout: Coaxial
Customization:
Available

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Customized Request

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

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

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

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 Custom Zlyj133/146/173/200/225/250/375/420 Helical Gear Box CZPT Extruder Gearbox for Extruded Machine   planetary gearbox	China Custom Zlyj133/146/173/200/225/250/375/420 Helical Gear Box CZPT Extruder Gearbox for Extruded Machine   planetary gearbox
editor by CX 2024-04-13

China wholesaler CZPT RC Helical Gear Box Shaft Mounted Speed Reducer Helical Gearbox for Packing Machine planetary gearbox

Product Description

GPHQ RC helical gearbox motor/ reducer motor

GPHQ RC helical speed gearbox motor  units are novel transmission device and composed of Y series motor, helical gear, Glisten arc cone gear and warm gear. The gears are made of high wear-resisting alloy materials, specially treated and finely processed.

GPHQ RC helical gear box motor can be single-stage or multi stage with both mounting ways foot-mounted and flange-mounted. For high output speeds, the exclusively single-stage gear units R27-RX167 offer compact solutions for your system design. As for the two-stage and three-stage, 

GPHQ RC helical speed reducer motor is based on the unique modulation combination system, so it is convenient for them to fit all types of motors or to connect with other power input. The same type of reducer can fit motors with different power, so that its possible for different types of machines to combine or connect.

 Our  reduction geared motor Advantage

1,reasonable price with excellent quality 
2,delivery in time 
3,safe ,reliable ,economical and durable 
4,stable transmission ,quiet operation 
5,smooth running and low noise 
6,nice appearance ,durable service life 
7,high heat-radiating efficiency ,high carrying ability 
8,each gearbox must be tested before packing
9.reply in high efficiency during 1 working day 
10. professional to produce gearbox and electric motor .

If there is any question, please don’t hesitate to contact with me (EVA), U can send us your inquiry. And you will get response in 1 working day.
 
MOTOR CATALOGUE :

PACKAGE : 

for 1 container, directly loading ,for less, all goods with pallet.
 

FAQ
1, Q:what\’s your MOQ for ac gearbox motor  ?
A: 1pc is ok for each type electric gear box  motor 

2, Q: What about your warranty for your induction speed reducer motor ?
A: 1 year ,but except man-made destroyed

3, Q: which payment way you can accept ?
A: TT, western union .

4, Q: how about your payment way ?
A: 100%payment in advanced less $5000 ,30% payment in advanced payment , 70% payment before sending over $5000.

5, Q: how about your packing of speed reduction motor  ?
A: plywood case ,if size is small  ,we will pack with pallet for less 1 container 

6, Q: What information should be given, if I buy electric helical geared motor  from you ?
A: rated power,  ratio or output speed,type ,voltage , mounting way , quantity , if more is better , 
 

Application: Motor, Machinery, Agricultural Machinery
Layout: Helical
Hardness: Hardened Tooth Surface
Installation: Horizontal Type
Step: Single-Step
Type: Helical
Customization:
Available

|

Customized Request

helical gearbox

Comparison of Helical Gearboxes and Bevel Gearboxes

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

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

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

helical gearbox

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

Helical Gearbox: Overview and Working Mechanism

A helical gearbox is a type of mechanical device used to transmit power and motion between rotating shafts. It employs helical gears, which are cylindrical gears with teeth that are cut at an angle to the gear axis. This design feature gives helical gearboxes their distinctive helical shape and provides several advantages in terms of efficiency, smoothness, and load-bearing capabilities.

The working mechanism of a helical gearbox involves the interaction of helical gears, which mesh together to transmit torque and motion. Here’s how it works:

  1. Gear Tooth Engagement: When power is applied to the input shaft of the gearbox, the helical gear on the input shaft meshes with the helical gear on the output shaft.
  2. Helical Angle: The helical angle of the gear teeth causes a gradual engagement between the teeth, resulting in a smooth and quiet meshing process compared to straight-cut gears.
  3. Torque Transfer: As the input gear rotates, it transfers rotational force (torque) to the output gear through the meshing of their helical teeth.
  4. Direction of Rotation: Depending on the arrangement of the helical gears, the output shaft’s direction of rotation can be the same as or opposite to that of the input shaft.
  5. Load Distribution: The helical design allows for multiple teeth to be engaged at any given moment, distributing the load more evenly across the gears. This results in higher load-carrying capacity and reduced wear on gear teeth.
  6. Efficiency: Helical gearboxes are known for their high efficiency due to the gradual tooth engagement and larger contact area, resulting in minimal energy loss as compared to other gear types.

Helical gearboxes find applications in various industries where smooth operation, high efficiency, and compact design are important. They are commonly used in machinery, conveyors, automotive transmissions, industrial equipment, and more.

China wholesaler CZPT RC Helical Gear Box Shaft Mounted Speed Reducer Helical Gearbox for Packing Machine   planetary gearbox	China wholesaler CZPT RC Helical Gear Box Shaft Mounted Speed Reducer Helical Gearbox for Packing Machine   planetary gearbox
editor by CX 2023-11-18

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