Product Description
Helical Worm Gear Low Noise Cast Iron HT250 Ground Parallel Shaft Best Speed Reducer Gearbox Die Casting Lumen Good Price Nmrv High Efficiency Helical Worm Gear
F series gear reducer is 1 kind of parallel shaft helical gear reducer , which consist of 2 or 3 stages helical gears (relate to gear ratio) in the same case . The hard tooth surface gear use the high quality alloy steel ,the process of carburizing and quenching, grinding ,which give it follow characters :Stable transmission ,low noise and temperature ,high loading ,long working lift . Wide application ,specialize in Metallurgy ,Sewage treatment,
Chemical Industry , Pharmacy ,Agriculture equipment and Oil industry.
Specifications:
1) Output speed: 0.6~1,571r/min
2) Output torque: up to 21700N.m
3) Motor power: 0.12~200kW
4) Mounted form: foot-mounted and flange-mounted mounting
| Product Name | SLK Series Rigid Tooth helical bevel reducer |
| Gear Material | 20CrMnTi |
| Case Material | HT250 |
| Shaft Material | 20CrMnTi |
| Gear Processing | Grinding finish by HOFLER Grinding Machines |
| Color | Customized |
| Noise Test | 65~70dB |
| Efficiency | 94%~98% (depends on the transmission stage) |
| Lubricating oil | Shell Omala synthetic oil or mineral oil , or similar brand |
| Heat treatment | tempering, cementiting, quenching,etc. |
| Brand of bearings | C&U bearing, ZWZ,LYC, HRB, SKF,NSK and so on |
| Brand of oil seal | NAK or other brand |
| Temp. rise (MAX) | 40 ° |
| Temp. rise (Oil)(MAX) | 50 ° |
| Vibration | ≤20µm |
company information
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Horizontal Type |
| Layout: | Coaxial |
| Type: | Worm Reducer |
| Output Torque: | 3.5~21700n.M |
| Samples: |
US$ 999/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
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.
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.
Industries Utilizing Helical Gearboxes
Helical gearboxes find widespread use in various industries due to their efficiency, smooth operation, and versatility. Some of the industries that commonly utilize helical gearboxes include:
- Manufacturing: Helical gearboxes are employed in manufacturing processes for conveyor systems, material handling, and machine tools. Their ability to provide high torque and smooth motion makes them suitable for precision manufacturing.
- Automotive: Automotive applications include power transmission in vehicles, especially in manual and automatic transmissions. Helical gearboxes contribute to improved fuel efficiency and smoother gear shifting.
- Energy Generation: Helical gearboxes are used in power generation systems, such as wind turbines and hydroelectric generators. Their efficiency and load-bearing capacity are crucial for converting rotational motion into electrical power.
- Construction: Construction equipment, such as cranes, excavators, and bulldozers, rely on helical gearboxes for efficient power transmission and control of heavy loads.
- Mining: Mining operations use helical gearboxes in conveyors, crushers, and other equipment for material handling and ore extraction. The durability and high torque capacity of helical gearboxes make them suitable for demanding mining environments.
- Marine: Marine vessels use helical gearboxes in propulsion systems to convert engine power into rotational motion for propellers. Their efficiency contributes to fuel savings and reliable marine operation.
- Food and Beverage: Helical gearboxes are employed in food processing and packaging machinery due to their sanitary design and precise motion control.
- Textile: Textile machinery relies on helical gearboxes for various processes, including spinning, weaving, and dyeing. Their ability to handle varying loads and provide smooth motion is beneficial in textile production.
The adaptability and efficiency of helical gearboxes make them a suitable choice for a wide range of industries, where reliable power transmission, smooth operation, and load-bearing capacity are essential.
editor by CX 2024-05-03
China manufacturer R47 Helical Gear Reducer Drive Professional Manufacture Cheap Reducers Gearbox Speed Reduce/Transmission Gearbox with Hot selling
Product Description
R47 Helical Gear Reducer Drive Professional Manufacture Cheap Reducers Gearbox Speed Reduce/transmission gearbox
< ABOUT TILI
Technical data
| Product Name | R47 Helical Gear Reducer Drive Professional Manufacture Cheap Reducers Gearbox Speed Reduce/transmission gearbox |
| 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
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery, Industrial Automation Equipment, Chemical Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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.
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.
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.
editor by CX 2024-04-30
China high quality Professional Manufacturer in China of R/S/K/F Helical Gear Reducers Gear Motor /Speed Reducer /Transmission Gearbox gearbox design
Product Description
Professional Manufacturer in China of R/S/K/F Helical Gear Reducers Gear Motor /Speed Reducer /Transmission Gearbox
< ABOUT TILI
HangZhou Tili Reducer Co., Ltd. is located in CZPT Industrial Concentration Zone, Zou District, Xihu (West Lake) Dis. District, HangZhou, China. It is a professional company that produces reducers. The company specializes in the production of various reducer products, including DJYG series high torque series extruder gearboxes, CZPT series single screw extruder gearboxes, SZ, SZL series conical twin-screw extruder gearboxes, and more. In addition, the company also produces R, K, F, S series helical gear reducers, B/X series cycloidal pinwheel reducers, planetary reducers, etc. The company not only has professional capabilities in the design and manufacturing of hard tooth surface gearboxes and cycloidal pinwheel gearboxes, but also its products have entered various provinces, cities, and autonomous regions across the country. Some of its products are exported to foreign countries, mainly supporting the fields of plastics, rubber, metallurgy and mining, petrochemicals, lifting and transportation, light industry and food.
HangZhou Taili Reducer Co., Ltd. has been committed to providing customers with high-quality hard tooth extrusion reducers for more than 20 years since its establishment. The product quality has been unanimously recognized by domestic and foreign customers through market validation. The company has strong technological and business management capabilities, and has introduced top processing equipment from Germany and Switzerland. The product quality is reliable, and the after-sales service is complete. It can provide users with special designs to meet their requirements.
R series helical gear units
product/xteUysJGvQVq/China-R-Series-Foot-Mounted-Coaxial-Gearbox-with-Inline-Standard-Motor.html
R series:Small size, light weight, large transmission torque, superior performance, stable operation, low noise, durable, can be installed in a variety of ways, can be matched with different types of motors, a wide range of applications. sewage treatment, chemical industry, pharmacy and other industries.
K series helical-bevel gear units
product/CAepOqywMEhH/China-K-Series-Hardened-Tooth-Surface-Helical-Bevel-Foot-Mounted-Gearbox-with-Inline-Standard-Motor.html
K series gearbox is 1 kind of Helical Bevel type gearbox ,it is designed based on modularization , which bring many difference kinds of combinations ,mounting types ,and structure designs .The detail classification of ratio can meet various of working condition .High Transmission efficiency ,low energy consumption, superior performance .
S series helical-worm gear units
product/laXYVUyhOxWn/China-S-Series-Foot-Mounted-Helical-Worm-Gearbox-with-Solid-Shaft-with-Inline-Standard-Motor.html
S series: right-angle speed reduction gearing composed by helical gears, worms, and gears, optimized and designed according to international standard.High precision, high efficiency, fine classification in transmission ratio, wide range, large transmission torque, reliable performance, low noise, flexible installation, and convenient use and maintenance.
F series parallel-shaft helical gear units
product/wTPpMGtcvQVl/China-F-Series-Foot-Mounted-Parallel-Shaft-Gearbox-with-Inline-Standard-Motor.html
F series speed gear reducer is 1 kind of parallel shaft helical gear reducer , which consist of 2 or 3 stages helical gears (relate to gear ratio) in the same case . The hard tooth surface gear use the high quality alloy steel ,the process of carburizing and quenching, grinding .
| Product Name | Professional Manufacturer in China of R/S/K/F Helical Gear Reducers Gear Motor /Speed Reducer /Transmission Gearbox |
| 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 |
Detailed Photos
R SERIES
K SERIES
S SERIES
F SERIES
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
/* 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(/(.*?):(.*)$/))&&1
| Application: | Machinery, Agricultural Machinery, Industrial Automation Equipment, Chemical Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Customization: |
Available
| Customized Request |
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
|
Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
Advancements in Helical Gearbox Technology
Advancements in helical gearbox technology have led to improved performance, efficiency, and versatility. Here are some notable advancements:
- Material Innovations: The use of advanced materials, such as high-strength alloys and composites, has enhanced the durability and load-carrying capacity of helical gears. These materials also contribute to reduced weight and improved efficiency.
- Precision Manufacturing: Modern manufacturing techniques, including CNC machining and gear grinding, have enabled the production of helical gears with higher accuracy and tighter tolerances. This results in smoother operation and reduced noise levels.
- Gear Tooth Profile Optimization: Advanced computer simulations and modeling techniques allow for the optimization of gear tooth profiles. This results in better load distribution, reduced stress concentration, and improved overall gearbox efficiency.
- Lubrication and Cooling: Improved lubrication systems and cooling mechanisms help maintain optimal operating temperatures and extend the lifespan of helical gearboxes. This is particularly important for high-demand applications.
- Noise and Vibration Reduction: Innovative designs and precision manufacturing techniques have led to helical gears with reduced noise and vibration levels. This advancement is crucial for industries where noise reduction is a priority.
- Compact Design: Advancements in gear design and manufacturing have allowed for more compact and lightweight helical gearbox configurations, making them suitable for space-constrained environments.
- Integration with Electronics: Some modern helical gearboxes are designed for seamless integration with electronic control systems. This enables better monitoring, control, and optimization of gearbox performance.
- Customization: Advancements in manufacturing and design tools allow for greater customization of helical gearboxes to meet specific application requirements. This includes adapting gear ratios, sizes, and configurations.
In summary, advancements in helical gearbox technology have led to enhanced performance, durability, efficiency, and customization options. These innovations continue to make helical gearboxes a versatile and reliable choice for a wide range of industrial applications.
Troubleshooting Common Issues in Helical Gear Systems
Troubleshooting helical gear systems involves identifying and addressing common issues that can affect their performance. Here’s a step-by-step process:
- Visual Inspection: Begin by visually inspecting the gearbox for any signs of wear, damage, or misalignment. Look for worn or chipped gear teeth, oil leakage, and unusual noise.
- Noise Analysis: If noise is present, analyze its type and frequency. Whining or grinding noises could indicate misalignment or damaged gears, while clicking or knocking sounds might point to loose components.
- Lubrication Check: Ensure that the gearbox is properly lubricated with the recommended type and quantity of lubricant. Insufficient lubrication can lead to increased friction and wear.
- Alignment Check: Check the alignment of the gears and shafts. Misalignment can result in uneven wear, noise, and reduced efficiency. Realign components if necessary.
- Gear Inspection: Inspect gear teeth for signs of pitting, scoring, or wear. Replace any damaged gears to prevent further issues.
- Bearing Examination: Check the condition of bearings that support shafts and gears. Worn or damaged bearings can lead to increased vibration and noise.
- Tightening and Fastening: Ensure that all bolts, fasteners, and connections are properly tightened. Loose components can cause vibrations and noise.
- Load Analysis: Evaluate the load conditions and operating parameters of the gearbox. Ensure that the gearbox is not subjected to loads beyond its design capacity.
- Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can indicate problems such as inadequate lubrication or overloading.
- Consulting Experts: If issues persist or if you’re unsure about the diagnosis and solution, consult gearbox experts or manufacturers for guidance.
By following this troubleshooting process, you can identify and resolve common issues in helical gear systems, ensuring optimal performance and longevity.
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.
editor by CX 2024-04-30
China Standard Engine with Gearbox Speed Reducer Helical Bevel Gear Box/Elevator Gear Box manufacturer
Product Description
Engine with gearbox speed reducer helical bevel gear box/elevator gear box
< ABOUT TILI
Technical data
| Product Name | Engine with gearbox speed reducer helical bevel gear box/elevator gear box |
| Power | 0.12KW~160KW |
| Torque | 9.9N · m ~ 44822N · m |
| Output speed | 0.08 ~ 267r/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 | Vertical 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
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery, Industrial Automation Equipment, Chemical Industry |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Vertical Axis Output |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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.
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.
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.
editor by CX 2024-04-26
China best Precision Helical Gear Planetary Reducer Ab600/80/90/115 Servo Motor 400W75W1.5kw Unit 200 Gear Boxes with Best Sales
Product Description
Product Parameters
|
Name |
High Precision Planetary Gearbox |
|
Model |
AB042, AB060, AB060A, AB090A, AB115, AB142, AB180, AB220 |
|
Gearing Arrangement |
Planetary |
|
Effeiency withfull load |
≥97 |
|
Backlash |
≤5 |
|
Weight |
0.5~48kg |
|
Gear Type |
Helical Gear |
|
Gear stages |
1 stage, 2 stage |
|
Rated Torque |
14N.m-2000N.m |
|
Gear Ratio One-stage |
3, 4, 5, 6, 7, 8, 9, 10 |
|
Gear Ratio Two-stage |
15, 20, 25, 30, 35, 40, 45, 50, 60, 70, 80, 90, 100 |
|
Mounting Position |
Horizontal (foot mounted) or Vertical (flange mounted) |
|
Usage |
stepper motor, servo motor, AC motor, DC motor, etc |
features:
AB-series reducer features:
1. Helical gear design The reduction mechanism adopts the helical gear design, and its tooth shape meshing rate is more than twice that of the general spur gear, and has the characteristics of smooth operation, low noise, high output torque and low backlash
2. Collet type locking mechanism The connection between the input end and the motor adopts a collet-type locking mechanism and undergoes dynamic balance analysis to ensure the concentricity of the joint interface and zero-backlash power transmission at high input speeds
3. Modular design of motor connection board The unique modular design of the motor connecting plate and shaft is suitable for any brand and type of servo motor;
4. Efficient surface treatment technology The surface of the gearbox is treated with electroless nickel, and the connecting plate of the motor is treated with black anodic treatment to improve the environmental tolerance and corrosion resistance
5. One-piece gearbox body The gearbox and the inner ring gear adopt an integrated design, with compact structure, high precision and large output torque
6. Accurate concentricity of gear bar The sun gear made of the whole gear bar has strong rigidity and accurate concentricity
7. Solid, Single piece sun gear construction obtains precise concentricity with increased strength and rigidity. 8.Precision taper roller bearing support to increases radial and axial loading capacity.
Detailed Photos
Company Profile
Certifications
Packaging & Shipping
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Gear Shape: | Planetary |
| Step: | Single-Step |
| Type: | Ab Series Gearbox, Gear Reducer |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | |
|---|
Installation and Alignment of Helical Gearboxes
Proper installation and alignment of a helical gearbox are essential to ensure its optimal performance and longevity. Here are the steps involved:
- Preparation: Gather all necessary tools, equipment, and safety gear. Ensure the work area is clean and well-lit.
- Mounting: Position the gearbox on the designated mounting surface and secure it using appropriate bolts. Follow the manufacturer’s guidelines for mounting torque and procedures.
- Shaft Alignment: Use precision tools such as dial indicators to align the input and output shafts. Achieving accurate shaft alignment minimizes stress on the gears and bearings.
- Bolt Tightening: Gradually and evenly tighten the mounting bolts, ensuring the gearbox remains properly aligned. Refer to torque specifications provided by the manufacturer.
- Lubrication: Fill the gearbox with the recommended lubricant according to the manufacturer’s specifications. Proper lubrication is crucial for reducing friction and wear.
- Alignment Check: After tightening the bolts, recheck the shaft alignment to ensure it hasn’t shifted during the tightening process.
- Run-In Period: Gradually introduce load to the gearbox to allow the gears to seat properly. Monitor the gearbox for any unusual noises, vibrations, or temperature changes during this period.
- Final Checks: Verify that the gearbox operates smoothly, without excessive noise or vibrations. Monitor the gearbox’s temperature during operation to ensure it remains within recommended limits.
- Regular Inspection: Schedule periodic inspections to check for any signs of wear, misalignment, or leakage. Address any issues promptly to prevent further damage.
It’s important to follow the manufacturer’s installation and alignment guidelines specific to the helical gearbox model you’re working with. Improper installation and alignment can lead to premature wear, reduced efficiency, and potential failure of the gearbox.
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: 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:
- 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.
- 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.
- Torque Transfer: As the input gear rotates, it transfers rotational force (torque) to the output gear through the meshing of their helical teeth.
- 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.
- 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.
- 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.
editor by CX 2024-04-25
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
/* 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(/(.*?):(.*)$/))&&1
| Hardness: | Hardened Tooth Surface |
|---|---|
| Installation: | 90 Degree |
| Layout: | Expansion |
| Gear Shape: | Bevel Gear |
| Step: | Single-Step |
| Type: | Gear Reducer |
| Samples: |
US$ 1000/Piece
1 Piece(Min.Order) | |
|---|
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.
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.
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.
editor by CX 2024-04-24
China Hot selling Factory Hot Sales Helical Gear Reducer High Torque Planetary Gearbox for Mixer with Great quality
Product Description
Product Description
Factory Hot Sales Helical Gear Reducer high torque planetary gearbox for mixer
P Series Planetary Gearbox adopts the involute planetary gear transmission with inner mesh, outer mesh and divided power employed reasonably. So the series has the features of light weight, small volume, high transmission ratio, high efficiency, smooth rotation, low noise and good applicability.
Application:
P Series Planetary Gearbox is widely used in many industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic, etc.
P series planetary gearbox with good prices
1.P Series Planetary Gear Units is designed according to the involute planetary gear transmission with inner mesh,outer mesh and divided power employed reasonably.
2.P series planetary gear unit has the feature of light weight , small volume, high transmission ratio,
high efficiency, smooth rotation, low noise and good applicability.
3.P series is widely used in industries such as metallurgy, mining, hoisting and transportation, electrical power, energy resources, construction and building materials, light industry and traffic.
Detailed Photos
4.Technical Data
| Input power | Ratio | Torque | Planetary gear units stage | Mounting type |
| 0.4~9551kW | 25~4000 | Up to 1920000N.m | 2 stage 3 stage |
Horizontal Vertical |
5.Basic Information
Gear Arrangement:Helical gear
Mounting Type: Horizontal, Vertical
Types: P2N,P2L,P2S,P2K,P3N,P3S,P3K
6.Features
| Features of Planetary gearbox | Light weight |
| Small volume | |
| High transmission ratio | |
| High transmission efficiency | |
| Smooth rotation | |
| Good applicability |
P series planetary gearbox with good prices
7.Explanation of types
P2N-2-stage planetary gear units:
P2L-Bevel,2-stage planetary gear units:
P2S-Helical,2-stage planetary gear units;
P2K-Bevel-helical,2-stage planetary gear units:
P3N-3-stage planetary gear units;
P3S-Helical,3-stage planetary gear units;
P3K-Bevel-helical,3-stage planetary gear units;
Product Parameters
Product description:
| Rated Power | 0.4KW~9551KW |
| Rated Torque | Up to 1920KN.m |
| Gear Arrangement | Planetary with helical or bevel gearbox |
| Input Speed | 50HZ or 60HZ of 4Pole,6Pole and 8pole motor |
| Ratio | i=25~4000 |
| Installation Form | Flange Mounted, Foot Mounted or Torque Arm Mounted |
Certifications
Packaging & Shipping
Company Profile
Our Advantages
| Pre-sale services | 1. Select equipment model. |
| 2.Design and manufacture products according to clients’ special requirement. | |
| 3.Train technical personal for clients | |
| Services during selling | 1.Pre-check and accept products ahead of delivery. |
| 2. Help clients to draft solving plans. | |
| After-sale services | 1.Assist clients to prepare for the first construction scheme. |
| 2. Train the first-line operators. | |
| 3.Take initiative to eliminate the trouble rapidly. | |
| 4. Provide technical exchanging. |
FAQ
1.Q:What kinds of gearbox can you produce for us?
A:Main products of our company: UDL series speed variator,RV series worm gear reducer, ATA series shaft mounted gearbox, X,B series gear reducer,P series planetary gearbox and R, S, K, and F series helical-tooth reducer, more than 1 hundred models and thousands of specifications
2.Q:Can you make as per custom drawing?
A: Yes, we offer customized service for customers.
3.Q:What is your terms of payment ?
A: 30% Advance payment by T/T after signing the contract.70% before delivery
4.Q:What is your MOQ?
A: 1 Set
Welcome you contact me if you are interested in our product.
Our team will support any need you might have. /* 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: | Machinery, Agricultural Machinery, Industry |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Coaxial |
| Hardness: | Hardened |
| Installation: | Horizontal Type |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
Installation and Alignment of Helical Gearboxes
Proper installation and alignment of a helical gearbox are essential to ensure its optimal performance and longevity. Here are the steps involved:
- Preparation: Gather all necessary tools, equipment, and safety gear. Ensure the work area is clean and well-lit.
- Mounting: Position the gearbox on the designated mounting surface and secure it using appropriate bolts. Follow the manufacturer’s guidelines for mounting torque and procedures.
- Shaft Alignment: Use precision tools such as dial indicators to align the input and output shafts. Achieving accurate shaft alignment minimizes stress on the gears and bearings.
- Bolt Tightening: Gradually and evenly tighten the mounting bolts, ensuring the gearbox remains properly aligned. Refer to torque specifications provided by the manufacturer.
- Lubrication: Fill the gearbox with the recommended lubricant according to the manufacturer’s specifications. Proper lubrication is crucial for reducing friction and wear.
- Alignment Check: After tightening the bolts, recheck the shaft alignment to ensure it hasn’t shifted during the tightening process.
- Run-In Period: Gradually introduce load to the gearbox to allow the gears to seat properly. Monitor the gearbox for any unusual noises, vibrations, or temperature changes during this period.
- Final Checks: Verify that the gearbox operates smoothly, without excessive noise or vibrations. Monitor the gearbox’s temperature during operation to ensure it remains within recommended limits.
- Regular Inspection: Schedule periodic inspections to check for any signs of wear, misalignment, or leakage. Address any issues promptly to prevent further damage.
It’s important to follow the manufacturer’s installation and alignment guidelines specific to the helical gearbox model you’re working with. Improper installation and alignment can lead to premature wear, reduced efficiency, and potential failure of the gearbox.
Considerations for Designing Helical Gearboxes for Heavy-Duty Applications
Designing helical gearboxes for heavy-duty applications requires careful consideration of various factors to ensure reliable and efficient operation under high loads and demanding conditions. Here are the key considerations:
- Load Capacity: Heavy-duty applications involve substantial loads. The gearbox must be designed to handle these loads while preventing premature wear and failure. Calculations of the load distribution, contact stresses, and material strength are crucial.
- Material Selection: High-strength and durable materials are essential for heavy-duty gearboxes. Alloy steels or special heat-treated materials are often chosen to provide the necessary strength and resistance to fatigue and wear.
- Gear Tooth Design: Optimal gear tooth profiles, such as optimized helix angles and tooth modifications, contribute to smoother engagement and reduced stress concentrations. This enhances the gearbox’s ability to handle heavy loads without excessive wear.
- Bearing Selection: Robust and high-capacity bearings are necessary to support the heavy loads and provide reliable shaft support. The bearings must be able to withstand both radial and axial forces generated during operation.
- Lubrication: Adequate lubrication is critical for heavy-duty gearboxes. Lubricants with high load-carrying capacity and extreme pressure properties are chosen to ensure proper lubrication under heavy loads and to reduce friction and wear.
- Heat Dissipation: Heavy-duty applications can generate significant heat due to friction and load. Efficient heat dissipation mechanisms, such as cooling fins or oil cooling, should be incorporated into the gearbox design to prevent overheating and thermal damage.
- Sealing: Effective sealing is necessary to prevent contaminants from entering the gearbox and to retain lubricants. Seals must be capable of withstanding the conditions of the application, including high loads, vibrations, and potential exposure to harsh environments.
- Efficiency: Although heavy-duty applications prioritize load capacity, achieving acceptable levels of efficiency is still important to minimize energy losses and heat generation. Proper gear tooth design and high-quality manufacturing contribute to better efficiency.
- Structural Integrity: The gearbox housing and components must be designed with structural integrity in mind. Rigidity and robustness are required to prevent distortion or failure of components under heavy loads.
- Reliability and Serviceability: Heavy-duty gearboxes should be designed with reliability and ease of maintenance in mind. Access to critical components, such as gears and bearings, for inspection and replacement is important to minimize downtime.
Conclusion: Designing helical gearboxes for heavy-duty applications involves a comprehensive approach that addresses load capacity, material selection, gear tooth design, lubrication, heat dissipation, sealing, efficiency, structural integrity, and serviceability. By carefully considering these factors, engineers can create gearboxes that deliver exceptional performance and longevity in demanding industrial settings.
Noise and Vibration Levels in Helical Gearboxes
Helical gearboxes are known for their relatively low noise and vibration levels compared to some other types of gears. However, there are still certain factors that can influence the noise and vibration levels in helical gear systems:
- Helix Angle: The helix angle of helical gears helps to distribute the load over multiple teeth, reducing impact forces and resulting in smoother meshing. This contributes to lower noise and vibration levels.
- Precision Manufacturing: High-precision manufacturing processes can ensure better gear tooth geometry and minimize irregularities that could lead to noise and vibration.
- Lubrication: Proper lubrication is crucial for reducing friction and damping vibrations between gear teeth. Insufficient or improper lubrication can lead to increased noise levels.
- Alignment: Proper alignment of gears is essential to minimize misalignment-induced noise and vibration. Misalignment can cause uneven tooth contact and lead to increased noise and vibration.
- Load Distribution: Helical gears distribute loads over multiple teeth, which helps in reducing localized stresses and vibrations that could cause noise.
- Material Quality: High-quality materials with good damping properties can help absorb vibrations and reduce noise transmission.
- Operating Conditions: Factors such as operating speed, load, temperature, and gear backlash can influence noise and vibration levels.
Overall, helical gearboxes are designed to provide smoother and quieter operation compared to other gear types. However, the noise and vibration levels can still vary based on design, manufacturing quality, and operational factors. Engineers can optimize gear design and operating conditions to achieve the desired noise and vibration characteristics for specific applications.
editor by CX 2024-04-24
China high quality Zlyj146 173 225 250 Gear Box Helical Reducer Gearbox gearbox assembly
Product Description
Product Description
CZPT gearbox series are transmission devices, which are specially designed for single-screw extruder with high precision, hard gear surface, accompany with thrust. Adopting the technical specifications stipulated in JB/T9050. 1-1999, all CZPT gearboxes are designed accordingly.
Product Parameters
|
Spec. |
Ratio Range |
Axial Thrust |
Screw Diameter |
Net Weight |
|
(KN) |
(mm) |
(KG) |
||
|
112 |
8/10/12.5 |
41 |
Φ35 |
95 |
|
133 |
8/10/12.5/14/16/18/20 |
54 |
Φ50 |
144 |
|
146 |
8/10/12.5/14/16/18/20 |
60 |
Φ55 |
205 |
|
173 |
8/10/12.5/14/16/18/20 |
153 |
Φ65 |
256 |
|
200 |
8/10/12.5/14/16/18/20 |
187 |
Φ75 |
500 |
|
225 |
8/10/12.5/14/16/18/20 |
250 |
Φ90 |
650 |
|
250 |
8/10/12.5/14/16/18/20 |
268 |
Φ100 |
815 |
|
280 |
8/10/12.5/14/16/18/20 |
356 |
Φ105,110 |
1571 |
|
315 |
8/10/12.5/14/16/18/20 |
403 |
Φ120 |
1410 |
|
330 |
8/10/12.5/14/16/18/20 |
448 |
Φ130,150 |
1520 |
|
375 |
8/10/12.5/14/16/18/20 |
495 |
Φ150,160 |
1800 |
|
420 |
8/10/12.5/14/16/18/20 |
545 |
Φ165 |
2750 |
|
450 |
8/10/12.5/14/16/18/20 |
590 |
Φ165 |
3560 |
Detailed Photos
Machine Parts
Name: High Quality CZPT Gearbox
Original: China Gear material: high alloy steel low carbon (20CrMnTi)The interface is hardened, precision-ground and hard-chrome-plated to 870HV hardness and Ra 0.8-1.6µm roughness, so the shaft-seal is super hard, resists wear and corrosion, and very durable.
Main Features
Made of carburizing steel (Forging), go through normalization heat treatment for forged carburizing steel; and gear faces are also nitride-treated to at least 60HRC hardness for optimal rigidity and carburizing depth 0.8-1.1MM and wear resistance.
Single Screw Extruder Gearbox
Our CZPT gearbox for single screw extruder adopts high strength alloy steel material and the gear is of high accuracy. It is less
noisy, work quietly and smoothly. So it is a longer service life.
Gearbox casting body
1. we prepare enough casting body in our workshop to guarantee the delivery time.
2. this is our new gearbox casting body design.
3. fast delivery time and high quality
Heat treatment furnace
We have own heat treatment for the gears and gearshaft, so it’s easy for us to control the quality and the quality is more gurantee.
Packaging & Shipping
1)Packing: Wrapped up by film in wooden cases
2)Port Departure: HangZhou Port
3)Delivery time: 25 working days CZPT receipt of 30% deposit(days based on your quantity)
We use strong plywood or wooden case for all our products.
FAQ
Q1. Are you a trading company or a manufacturer?
We are a BSCI&ISO-9001 certificated manufacturer.
Q2. Can I place the customized order for different sizes, colors, materials,packings….?
Yes, all the customized orders are welcomed.
Q3. Could I get a QC report before delivery?
Yes, the specific QC reports will be sent to you before delivery.
Q4. Can I get a lower price if I place a larger order?
Yes, the price will be modified according to your order quantities.
/* 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
| After-sales Service: | Fast Service |
|---|---|
| Warranty: | One Year |
| Standard: | DIN, ASTM |
| Technics: | Casting |
| Feature: | Corrosion Resistance |
| Material: | Metal |
| Customization: |
Available
| Customized Request |
|---|
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.
Troubleshooting Common Issues in Helical Gear Systems
Troubleshooting helical gear systems involves identifying and addressing common issues that can affect their performance. Here’s a step-by-step process:
- Visual Inspection: Begin by visually inspecting the gearbox for any signs of wear, damage, or misalignment. Look for worn or chipped gear teeth, oil leakage, and unusual noise.
- Noise Analysis: If noise is present, analyze its type and frequency. Whining or grinding noises could indicate misalignment or damaged gears, while clicking or knocking sounds might point to loose components.
- Lubrication Check: Ensure that the gearbox is properly lubricated with the recommended type and quantity of lubricant. Insufficient lubrication can lead to increased friction and wear.
- Alignment Check: Check the alignment of the gears and shafts. Misalignment can result in uneven wear, noise, and reduced efficiency. Realign components if necessary.
- Gear Inspection: Inspect gear teeth for signs of pitting, scoring, or wear. Replace any damaged gears to prevent further issues.
- Bearing Examination: Check the condition of bearings that support shafts and gears. Worn or damaged bearings can lead to increased vibration and noise.
- Tightening and Fastening: Ensure that all bolts, fasteners, and connections are properly tightened. Loose components can cause vibrations and noise.
- Load Analysis: Evaluate the load conditions and operating parameters of the gearbox. Ensure that the gearbox is not subjected to loads beyond its design capacity.
- Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can indicate problems such as inadequate lubrication or overloading.
- Consulting Experts: If issues persist or if you’re unsure about the diagnosis and solution, consult gearbox experts or manufacturers for guidance.
By following this troubleshooting process, you can identify and resolve common issues in helical gear systems, ensuring optimal performance and longevity.
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.
editor by CX 2024-04-23
China Hot selling S Series Helical Worm Gear Reducer /Gear Motor/Motor Reducer/Gear Units/Gearbox with CE Certificate synchromesh gearbox
Product Description
S Series Helical Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox with CE Certificate
< ABOUT TILI
Technical data
| Product Name | S Series Helical Worm Gear Reducer /Gear Motor/Motor Reducer/gear units/gearbox with CE Certificate |
| Power | 0.12KW~30KW |
| Nominal output torque | 9~ 8425N · m |
| Output speed | 0.1 ~ 374r/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
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Vertical Output |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
Considerations for Designing Helical Gearboxes for Heavy-Duty Applications
Designing helical gearboxes for heavy-duty applications requires careful consideration of various factors to ensure reliable and efficient operation under high loads and demanding conditions. Here are the key considerations:
- Load Capacity: Heavy-duty applications involve substantial loads. The gearbox must be designed to handle these loads while preventing premature wear and failure. Calculations of the load distribution, contact stresses, and material strength are crucial.
- Material Selection: High-strength and durable materials are essential for heavy-duty gearboxes. Alloy steels or special heat-treated materials are often chosen to provide the necessary strength and resistance to fatigue and wear.
- Gear Tooth Design: Optimal gear tooth profiles, such as optimized helix angles and tooth modifications, contribute to smoother engagement and reduced stress concentrations. This enhances the gearbox’s ability to handle heavy loads without excessive wear.
- Bearing Selection: Robust and high-capacity bearings are necessary to support the heavy loads and provide reliable shaft support. The bearings must be able to withstand both radial and axial forces generated during operation.
- Lubrication: Adequate lubrication is critical for heavy-duty gearboxes. Lubricants with high load-carrying capacity and extreme pressure properties are chosen to ensure proper lubrication under heavy loads and to reduce friction and wear.
- Heat Dissipation: Heavy-duty applications can generate significant heat due to friction and load. Efficient heat dissipation mechanisms, such as cooling fins or oil cooling, should be incorporated into the gearbox design to prevent overheating and thermal damage.
- Sealing: Effective sealing is necessary to prevent contaminants from entering the gearbox and to retain lubricants. Seals must be capable of withstanding the conditions of the application, including high loads, vibrations, and potential exposure to harsh environments.
- Efficiency: Although heavy-duty applications prioritize load capacity, achieving acceptable levels of efficiency is still important to minimize energy losses and heat generation. Proper gear tooth design and high-quality manufacturing contribute to better efficiency.
- Structural Integrity: The gearbox housing and components must be designed with structural integrity in mind. Rigidity and robustness are required to prevent distortion or failure of components under heavy loads.
- Reliability and Serviceability: Heavy-duty gearboxes should be designed with reliability and ease of maintenance in mind. Access to critical components, such as gears and bearings, for inspection and replacement is important to minimize downtime.
Conclusion: Designing helical gearboxes for heavy-duty applications involves a comprehensive approach that addresses load capacity, material selection, gear tooth design, lubrication, heat dissipation, sealing, efficiency, structural integrity, and serviceability. By carefully considering these factors, engineers can create gearboxes that deliver exceptional performance and longevity in demanding industrial settings.
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.
editor by CX 2024-04-19
China OEM High Torque 10kw AC Gear Motor Inline Helical Gear Box Speed Reducer synchromesh gearbox
Product Description
R Series Inline Helical 2 double stage Speed Reducer output 30 rpm Gearbox
Product Description
>Click Here To Cotact<
Product Advantages
Company Information
Certificate
Main Products
Global Exhibition
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Brand |
WUMA |
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Housing |
Three type |
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Nameplate |
WUMA or Customize |
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Reducer |
worm gearbox,helical gearbox, hypoid gearbox,planetary gearbox and variator etc. |
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FAQ
1 . How to choose a gearbox which meets our requirement?
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.
2. What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.
3. What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.
4. Doyou sell motors?
We have stable motor suppliers who have been coperating with us for a long-time. They can provide motors
with high quality.
>Return Home<
/* 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(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Agricultural Machinery |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
|---|
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
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|---|---|
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Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
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.
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.
editor by CX 2024-04-17