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 Good quality Desboer Output Reducer Planetary Gearbox Helical Gear Desboer NBR 115 Series Servo Motor Gear Reducer Flange Output 750W Servo Motor Gearbox gearbox design
Product Description
Product Description
The NBR115 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The NBR115 series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: NBA115 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High torque
High load
ultra-precision
Small size
Detailed Photos
Product Parameters
| Segment number | Double segment | ||||||||||||||||
| Ratio | i | 25 | 30 | 35 | 40 | 45 | 50 | 60 | 70 | 80 | 90 | 100 | 120 | 140 | 160 | 180 | 200 |
| Rated output torque | Nm | 300 | 290 | 280 | 240 | 210 | 210 | 290 | 280 | 240 | 210 | 210 | 290 | 280 | 240 | 210 | 210 |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | |||||||||||||||
| Rated input speed | Rpm | 4000 | |||||||||||||||
| Max input speed | Rpm | 8000 | |||||||||||||||
| Ultraprecise backlash | arcmin | ≤4 | |||||||||||||||
| Precision backlash | arcmin | ≤7 | |||||||||||||||
| Standard backlash | arcmin | ≤9 | |||||||||||||||
| Torsional rigidity | Nm/arcmin | 25 | |||||||||||||||
| Max.bending moment | Nm | 6700 | |||||||||||||||
| Max.axial force | N | 3350 | |||||||||||||||
| Service life | hr | 20000(10000 under continuous operation) | |||||||||||||||
| Efficiency | % | ≥92% | |||||||||||||||
| Weight | kg | 14.2 | |||||||||||||||
| Operating Temperature | ºC | -10ºC~+90ºC | |||||||||||||||
| Lubrication | Synthetic grease | ||||||||||||||||
| Protection class | IP64 | ||||||||||||||||
| Mounting Position | All directions | ||||||||||||||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤68 | |||||||||||||||
| Rotary inertia | Kg·cm² | 2.25 | 1.87 | ||||||||||||||
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
Certifications
Company Profile
DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.
About Research
In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Application: | Motor, Machinery, Marine, Agricultural Machinery, CNC Machine |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Type |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Double-Step |
| Customization: |
Available
| Customized Request |
|---|
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.
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 2024-03-28
China Professional Spot High-Precision Helical Planetary Reducer Ab60 42 90 Servo Motor 400W750W 180 Gearbox cycloidal gearbox
Product Description
Product Description
Detailed Photos
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.
Applications
Certifications
Packaging & Shipping
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| 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) | |
|---|
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.
Materials Used in Manufacturing Helical Gears
Helical gears are commonly manufactured using a variety of materials to meet specific requirements for strength, durability, wear resistance, and other mechanical properties. Some of the materials commonly used for manufacturing helical gears include:
- Steel: Various types of steel, such as carbon steel, alloy steel, and stainless steel, are frequently used due to their high strength, durability, and wear resistance. They are suitable for a wide range of applications and provide excellent performance.
- Cast Iron: Cast iron gears are known for their cost-effectiveness and good wear resistance. They are often used in applications where heavy loads and moderate speeds are involved.
- Brass: Brass gears are chosen for applications that require quiet operation and low-speed applications. They offer good corrosion resistance and are commonly used in smaller machinery.
- Bronze: Bronze gears are valued for their excellent wear resistance and compatibility with lubricants. They are often used in heavy-duty applications and situations where high loads are encountered.
- Plastics and Polymers: Certain plastic materials, such as nylon and acetal, are used for gears that require low noise levels and resistance to chemicals and corrosion. They are suitable for applications where lightweight components are essential.
- Aluminum: Aluminum gears are lightweight and corrosion-resistant, making them suitable for applications where weight reduction and corrosion resistance are priorities.
The choice of material depends on factors such as the application’s load, speed, environment, and desired performance characteristics. Manufacturers select materials that best align with the specific requirements of the helical gear system, ensuring optimal function and longevity.
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 2024-01-10
China Custom High Precision Low Backlash Helical Gear Planetary Speed Reducer Gearbox for Servo Motor Manipulator Mechanical Arm best automatic gearbox
Product Description
TaiBang Motor Industry Group Co., Ltd.
The main products is induction motor, reversible motor, DC brush gear motor, DC brushless gear motor, CH/CV big gear motors, Planetary gear motor ,Worm gear motor etc, which used widely in various fields of manufacturing pipelining, transportation, food, medicine, printing, fabric, packing, office, apparatus, entertainment etc, and is the preferred and matched product for automatic machine.
Model Instruction
| GB | 090 | 571 | P2 |
| Reducer Series Code | External Diameter | Reduction Ratio | Reducer Backlash |
| GB:High Precision Square Flange Output
GBR:High Precision Right Angle Square Flange Output GE:High Precision Round Flange Output GER:High Precision Right Round Flange Output |
050:ø50mm 070:ø70mm 090:ø90mm 120:ø120mm 155:ø155mm 205:ø205mm 235:ø235mm 042:42x42mm 060:60x60mm 090:90x90mm 115:115x115mm 142:142x142mm 180:180x180mm 220:220x220mm |
571 means 1:10 | P0:High Precision Backlash
P1:Precison Backlash P2:Standard Backlash |
Main Technical Performance
| Item | Number of stage | Reduction Ratio | GB042 | GB060 | GB060A | GB090 | GB090A | GB115 | GB142 | GB180 | GB220 |
| Rotary Inertia | 1 | 3 | 0.03 | 0.16 | 0.61 | 3.25 | 9.21 | 28.98 | 69.61 | ||
| 4 | 0.03 | 0.14 | 0.48 | 2.74 | 7.54 | 23.67 | 54.37 | ||||
| 5 | 0.03 | 0.13 | 0.47 | 2.71 | 7.42 | 23.29 | 53.27 | ||||
| 6 | 0.03 | 0.13 | 0.45 | 2.65 | 7.25 | 22.75 | 51.72 | ||||
| 7 | 0.03 | 0.13 | 0.45 | 2.62 | 7.14 | 22.48 | 50.97 | ||||
| 8 | 0.03 | 0.13 | 0.44 | 2.58 | 7.07 | 22.59 | 50.84 | ||||
| 9 | 0.03 | 0.13 | 0.44 | 2.57 | 7.04 | 22.53 | 50.63 | ||||
| 10 | 0.03 | 0.13 | 0.44 | 2.57 | 7.03 | 22.51 | 50.56 | ||||
| 2 | 15 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | |
| 20 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 25 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 30 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 35 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 40 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 45 | 0.03 | 0.03 | 0.13 | 0.13 | 0.47 | 0.47 | 2.71 | 7.42 | 23.29 | ||
| 50 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 60 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 70 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 80 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 90 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 | ||
| 100 | 0.03 | 0.03 | 0.13 | 0.13 | 0.44 | 0.44 | 2.57 | 7.03 | 22.51 |
| Item | Number of stage | GB042 | GB060 | GB060A | GB90 | GB090A | GB115 | GB142 | GB180 | GB220 | |
| Backlash(arcmin) | High Precision P0 | 1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | ≤1 | |||
| 2 | ≤3 | ≤3 | ≤3 | ≤3 | |||||||
| Precision P1 | 1 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | ≤3 | |
| 2 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ||
| Standard P2 | 1 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | ≤5 | |
| 2 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ≤7 | ||
| Torsional Rigidity(N.M/arcmin) | 1 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | |
| 2 | 3 | 7 | 7 | 14 | 14 | 25 | 50 | 145 | 225 | ||
| Noise(dB) | 1,2 | ≤56 | ≤58 | ≤58 | ≤60 | ≤60 | ≤63 | ≤65 | ≤67 | ≤70 | |
| Rated input speed(rpm) | 1,2 | 5000 | 5000 | 5000 | 4000 | 4000 | 4000 | 3000 | 3000 | 2000 | |
| Max input speed(rpm) | 1,2 | 10000 | 10000 | 10000 | 8000 | 8000 | 8000 | 6000 | 6000 | 4000 | |
Noise test standard:Distance 1m,no load.Measured with an input speed 3000rpm
| Application: | Machinery, Agricultural Machinery, Automatic Machinery |
|---|---|
| Function: | Distribution Power, Change Drive Torque, Change Drive Direction, Speed Reduction |
| Layout: | Cycloidal |
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Step: | Double-Step |
| Samples: |
US$ 50/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Role of Helical Gearboxes in Automotive Transmissions
Helical gearboxes play a crucial role in automotive transmissions, contributing to the efficient power transfer and smooth operation of vehicles:
- Power Transmission: Helical gearboxes are used to transmit power from the engine to the wheels through different gear ratios. They help in converting the high-speed, low-torque output of the engine into the appropriate speed and torque for the wheels.
- Smooth Shifting: In manual and automatic transmissions, helical gears are often used to provide smooth and quiet gear shifts. The gradual engagement of helical gear teeth helps in reducing the shock and noise associated with gear changes.
- Noise Reduction: Helical gears are known for their quieter operation compared to other gear types. This is especially important in automotive applications where minimizing noise and vibration is desired for a comfortable driving experience.
- Efficiency: The efficiency of helical gearboxes helps in optimizing fuel efficiency and reducing energy losses. This is crucial for improving the overall performance and economy of vehicles.
- Load Distribution: Helical gears distribute the load over multiple teeth, reducing wear and ensuring the gearbox’s longevity. This is important in vehicles that experience varying loads and driving conditions.
- Torque Handling: Helical gears can handle higher torque loads compared to some other gear types. This is essential for vehicles, especially those with powerful engines, towing capabilities, or off-road use.
In modern automotive transmissions, helical gearboxes can be found in various components, including the main transmission, differential, and gearbox synchronizers. They contribute to the smooth operation, improved fuel efficiency, and overall performance of vehicles. The design and arrangement of helical gears can be tailored to meet the specific requirements of different vehicle types, making them a versatile choice for automotive applications.
Helical Gearboxes and Energy Efficiency
Helical gearboxes play a significant role in enhancing energy efficiency in various industrial processes. Their design and operating characteristics contribute to improved efficiency and reduced energy consumption. Here’s how helical gearboxes achieve energy efficiency:
- Helical Gear Meshing: Helical gears have inclined teeth that engage gradually, resulting in smoother and quieter meshing compared to other gear types. This smoother engagement reduces impact and friction losses, leading to higher efficiency and lower energy consumption.
- Load Distribution: Helical gears distribute the load across multiple teeth due to their helix angle. This even load distribution minimizes stress concentrations and prevents premature wear, ensuring efficient power transmission and reducing the need for frequent maintenance.
- Efficient Power Transmission: The inclined tooth profile of helical gears allows for more teeth to be in contact at any given time. This increased contact area improves power transmission efficiency by reducing sliding friction and minimizing energy losses.
- Reduced Vibration: The helical tooth engagement minimizes vibration and noise levels, which can be particularly advantageous in applications that require precise and stable operation. Reduced vibration translates to lower energy losses and increased overall efficiency.
- Optimized Gear Design: Engineers can fine-tune helical gear designs by adjusting parameters such as helix angle, number of teeth, and gear materials. This optimization process helps tailor the gearbox for specific applications, ensuring optimal efficiency and minimal energy wastage.
- Lubrication and Cooling: Proper lubrication and cooling strategies are crucial for maintaining efficiency. Helical gears benefit from efficient lubrication due to their continuous tooth engagement, which helps reduce friction and wear, further enhancing energy efficiency.
- Advanced Manufacturing: Modern manufacturing techniques enable precise production of helical gears, ensuring tight tolerances and accurate tooth profiles. This manufacturing precision contributes to minimal energy losses during gear operation.
Overall, helical gearboxes excel in energy efficiency by combining smoother tooth engagement, even load distribution, reduced vibration, and optimized designs. Their ability to transmit power efficiently and reliably makes them a preferred choice for industrial processes where energy conservation is a priority.
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 2023-12-15
China supplier Desboer ND110 Series Ratio16-100 Helical Precision Speed Reducer Planetary Gearbox for Servo Stepper Motor Tool Industrial Automation Robotics Laser Cutting Mac gearbox assembly
Product Description
Product Description
The ND110 series planetary gearboxes are designed and machined as a single unit with special tapered roller bearings to provide high radial load, high torque, ultra-precision, and small size. The ND series uses in highly rigid industries such as fiber optic laser equipment, floor track equipment, robot seventh axis, Parallel robots (spider hand) machine tools, and rotating arms.
Product Name: High Precision Planetary Reducer
Product Series: ND110 Series
Product features: high torque, high load, ultra-precision, small size
Product Description:
Integrated design concept with high-strength bearings ensure the product itself is durable and efficient
A variety of output ideas such as shaft output, flange and gear are available.
1 arc minute ≤ backlash ≤ 3 arc minutes
Reduction ratios ranging from 3 to 100
Frame design: increases torque and optimizes power transmission
Optimised selection of oil seals: reduces friction and laminate transmission efficiency
Protection class IP65
Warranty: 2 years
Our Advantages
High torque
High load
ultra-precision
Small size
Detailed Photos
Product Parameters
| Segment number | Single segment | |||||
| Ratio | i | 4 | 5 | 7 | 10 | |
| Rated output torque | Nm | 250 | 310 | 280 | 210 | |
| Emergency stop torque | Nm | Three times of Maximum Output Torque | ||||
| Rated input speed | Rpm | 4000 | ||||
| Max input speed | Rpm | 8000 | ||||
| Ultraprecise backlash | arcmin | ≤1 | ||||
| Precision backlash | arcmin | ≤3 | ||||
| Standard backlash | arcmin | ≤5 | ||||
| Torsional rigidity | Nm/arcmin | 82 | ||||
| Max.bending moment | Nm | 430 | ||||
| Max.axial force | N | 2990 | ||||
| Service life | hr | 30000(15000 under continuous operation) | ||||
| Efficiency | % | ≥97% | ||||
| Weight | kg | 5.6 | ||||
| Operating Temperature | ºC | -10ºC~+90ºC | ||||
| Lubrication | Synthetic grease | |||||
| Protection class | IP64 | |||||
| Mounting Position | All directions | |||||
| Noise level(N1=3000rpm,non-loaded) | dB(A) | ≤60 | ||||
| Rotary inertia | Kg·cm² | 2.87 | 2.71 | 2.62 | 2.57 | |
Applicable Industries
Packaging Machinery Mechanical Hand Textile Machinery
Non Standard automation Machine Tool Printing Equipment
Certifications
Company Profile
DESBOER (HangZhou) Transmission Technology Co., Ltd. is a subsidiary of DESBOER (China), which is committed to the design, development, customized production and sales of high precision planetary reducer as 1 of the technology company. Our company has over 10 years of design, production and sales experience, the main products are the high precision planetary reducer, gear, rack, etc., with high quality, short delivery period, high cost performance and other advantages to better serve the demand of global customers. It is worth noting that we remove the intermediate link sale from the factory directly to customers, so that you can get the most ideal price and also get our best quality service simultaneously.
About Research
In order to strengthen the advantages of products in the international market, the head company in Kyoto, Japan to established KABUSHIKIKAISYA KYOEKI, mainly engaged in the development of DESBOER high precision planetary reducer, high precision of transmission components such as the development work, to provide the most advanced design technology and the most high-quality products for the international market.
| Application: | Motor, Machinery, Marine, Agricultural Machinery, CNC Machine |
|---|---|
| Function: | Change Drive Torque, Speed Changing, Speed Reduction |
| Layout: | Plantery Type |
| Hardness: | Hardened Tooth Surface |
| Installation: | All Directions |
| Step: | Single-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.
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.
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 2023-11-02
China factory Reducer Spiral Bevel Helical Speed Reduction Agriculture Agricultural Cycloidal Servo High Precision Planetary Winch Track Wheel Slewing Drive Nmrv Worm Gearbox with Great quality
Product Description
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Process: |
CNC Machining, turning,milling, lathe machining, boring, grinding, drilling,broaching, stamping,etc… |
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Surface treatment: |
Clear/color anodized; Hard anodized; Powder-coating;Sand-blasting; Painting; |
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Nickel plating; Chrome plating; Zinc plating; Silver/gold plating; |
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Black oxide coating, Polishing etc… |
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Gerenal Tolerance:(+/-mm) |
Gear grade :7Gread (ISO) |
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Run Out:0.005mm |
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Roundness:0.001mm |
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ID/OD Grinding: 0.002 |
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Roughness : Ra 0.05 Rz 0.2 |
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Certification: |
IATF 16949, ISO140001 |
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Experience: |
16 years of machining products |
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Packaging : |
Standard: carton with plastic bag protecting |
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For large quantity: pallet or wooden box as required |
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Lead time : |
In general:30-60days |
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Term of Payment: |
T/T, L/C |
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Minimum Order: |
Comply with customer’s demand |
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Delivery way: |
Express(DHL,Fedex, UPS,TNT,EMS), By Sea, By air, or as required |
ZheZheJiang nlead Precision Co., Ltd. which focuses on CNC machining, including milling, turning, auto-lathe turning,holing,grinding, heat treatment from raw materials of bars, tube, extruded profiles, blanks of cold forging & hot forging, aluminum die casting.
We provide one-stop service, from professional design analysis, to free quote, fast prototype, IATF16949 & ISO14001 standard manufacturing, to safe shipping and great after-sales services.During 16 years, we have win lots of trust in the global market, most of them come from North America and Europe.
Now you may have steady customers, and hope you can keep us in the archives to get more market news.
Sunlead produce all kinds of machining parts according to customer’s drawing, we can produces stainless steel Turned parts,carbon steel Turned parts, aluminum turned parts,brass & copper turned parts.
Please feel free to send inquiry to us, and our professional sales manager will get back to you ASAP!
FAQ:
Q1: How can I get the samples?
A: If you need some samples to test, you should pay for the transportation freight of samples and our samples cost.
Q2: Can we have our marking,Logo or company name to be printed on your products or package?
A: Sure. Your marking,logo,or company name can be put on your products by Laser machine
Q3: How to order?
A: Please send us your purchase order by Email, or you can ask us to send you a Performa invoice for your order. We need to know the following information for your order.
1) Product information-Quantity, Specification ( Size, Material, Technological and Packing requirements etc.)
2) Delivery time required
3) Shipping information-Company name, Street address, Phone&Fax number, Destination sea port.
4) Forwarder’s contact details if there’s any in China.
Q4: When can you get the price?
We usually quote within 48 hours after we get your inquiry. If you are very urgent to get the price, please call us or tell us in your email so that we will regard your inquiry priority. Kindly note that if your inquiry is with more details then the price we quote will be more accurate.
Q5: How can you get a sample to check our quality?
After price confirmation, you can require for samples to check our quality.
Q6: What kind of files do we accept for drawing?
A: PDF, CAD,STP,STEP
Q7: What about the lead time for mass production?
Honestly, it depends on the order quantity and the season you place the order. Generally speaking,it would need about 30-60days to finish the sample.
Q8: What is our terms of delivery?
We accept EXW, FOB, CFR, CIF, DDU, DDP, etc. You can choose the 1 which is the most convenient or cost effective for you.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Agricultural Machinery, Car |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Gear Position: | Internal Gear |
| Manufacturing Method: | as Requiried |
| Toothed Portion Shape: | as Requiried |
| Material: | Stainless Steel |
| 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.
Software Tools for Simulating Helical Gear Behavior
Several software tools are available for simulating the behavior of helical gears under different conditions. These tools aid engineers in designing and analyzing helical gear systems for optimal performance and reliability. Some notable software tools include:
- KISSsoft: KISSsoft is a widely used software for the design and analysis of mechanical components, including helical gears. It offers comprehensive calculations for gear geometry, load distribution, contact stresses, and more. The software assists in optimizing gear designs and predicting their behavior under various operating conditions.
- AGMA Rating Suite: The American Gear Manufacturers Association (AGMA) offers software tools that follow AGMA standards for gear design and analysis. These tools provide accurate calculations for gear rating, efficiency, and durability under different load scenarios.
- ANSYS Mechanical: ANSYS Mechanical is a versatile simulation software used for finite element analysis (FEA) of mechanical systems, including helical gears. It allows engineers to perform detailed stress and deformation analysis, simulate contact patterns, and assess the effects of different loads and boundary conditions.
- Gleason CAGE: Gleason’s Computer-Aided Gear Engineering (CAGE) software specializes in gear design and optimization. It offers advanced tools for gear tooth profile generation, simulation of meshing behavior, and optimization of gear parameters.
- MAGMA Soft: MAGMA Soft provides casting simulation software that can be used to predict the solidification behavior and mechanical properties of casted gear components, which is essential for ensuring quality and performance.
- Siemens NX: Siemens NX software includes gear design and analysis capabilities, allowing engineers to simulate gear behavior, calculate load distribution, and optimize gear designs within a comprehensive CAD/CAE environment.
These software tools enable engineers to model and analyze helical gears in a virtual environment, helping them make informed design decisions, optimize gear geometry, and assess gear performance under different conditions. By utilizing these tools, engineers can create reliable and efficient helical gear systems for various industrial applications.
Helical Gearbox: 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 2023-09-28
China factory Apex Ab Series Servo Motor Gear Unit Helical Gear Planetary Reducer Gear Reducer Gearbox Price synchromesh gearbox
Product Description
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
PLF series, PLE series, ZPLF series, ZPLE series, AB series, ABR series and many other models are available.
Product Overview:
High Rigidity Precision Planetary Reducer AB Series Helical Gear Reducer For Servo Stepper Motor
Advantages of the planetary gearbox:
Low backlash
High Efficiency
High Torque
High Input Speed
High Stability
High Reduction Ratio
Precision planetary gear reducer is another name for planetary gear reducer in the industry. Its main transmission structure is planetary gear, sun gear and inner gear ring.
Compared with other gear reducers, precision planetary gear reducers have the characteristics of high rigidity, high precision (single stage can achieve less than 1 point), high transmission efficiency (single stage can achieve 97% – 98%), high torque/volume ratio, lifelong maintenance-free, etc. Most of them are installed on stepper motor and servo motor to reduce speed, improve torque and match inertia.
SERIES: AP/ APK/ APC/ APCK/ AH/ AHK/ AHKA/B/ AHKC/ AFH/ AFHK/ KF/ KHSERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERSSERIES: PEII/ PEIIR/ PGII/ PGIIR/ PAII/ PAIIR/ PSII/ PSIIR/ PD/ PDR/ PL/ PLRAPPLICATION
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.
Our Advantages
SERIES: AB/ ABR/ AD/ADS/ ADR/ AF/ AFR/ AFX/ AFXR/ AE/ AER/ AE/ AERS
PLF series, PLE series, ZPLF series, ZPLE series, AB series, ABR series and many other models are available.
Product Description
Planetary Gearbox AB Series Square Flange Helical Bevel Planetary Transmission Gearboxes Servo Motor
Advantages of the planetary gearbox:
Low backlash
High Efficiency
High Torque
High Input Speed
High Stability
High Reduction Ratio
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 |
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Gear Ratio One-stage |
3, 4, 5, 6, 7, 8, 9, 10 |
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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 |
Applications
Company Profile
Certifications
Packaging & Shipping
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine |
|---|---|
| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Layout: | Coaxial |
| Step: | Single-Step |
| Gear Style: | Planetary Gear Arrangement |
| Samples: |
US$ 100/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.
Helical Gear Meshing and Its Benefits
Helical gear meshing refers to the engagement of two helical gears with inclined teeth. The teeth are cut at an angle to the gear axis, creating a helix shape. When these gears mesh, the inclined teeth gradually come into contact, allowing for smoother and quieter operation compared to straight-toothed gears.
The benefits of helical gear meshing include:
- Reduced Noise: The gradual contact between helical gear teeth minimizes impact and noise during engagement, resulting in quieter operation. This is particularly advantageous in applications where noise reduction is essential, such as industrial machinery and automotive transmissions.
- Smooth Operation: Helical gears provide smoother and more continuous motion due to the gradual engagement of teeth. This feature makes them suitable for applications that require precise and controlled movement, such as CNC machines and conveyor systems.
- Higher Load Capacity: The helical tooth geometry allows for greater tooth contact area, distributing the load over a larger surface. This results in higher load-carrying capacity and improved durability, making helical gears suitable for heavy-duty applications.
- Efficient Power Transmission: Helical gears transmit power more efficiently due to their smooth engagement and increased contact area. This efficiency contributes to reduced energy consumption and heat generation in gearboxes.
- Less Vibrations: The gradual meshing of helical gears reduces vibrations, resulting in smoother operation and reduced wear and tear on gear teeth and bearings. This is especially important for extending the lifespan of the gearbox.
Overall, helical gear meshing offers numerous benefits, including reduced noise, smoother operation, higher load capacity, efficient power transmission, and reduced vibrations. These advantages make helical gears a popular choice in various industrial applications where performance, durability, and reliability are crucial.
editor by CX 2023-09-05
China Good quality ZD High Precision Low Backlash Spur or Helical Gear Planetary Speed Gear Reducer Gearbox For Servo Motor Steeping Motor gearbox assembly
Product Description
ZD High Precision Low Backlash Spur or Helical Gear Planetary Speed Gear Reducer Gearbox For Servo Steeping Motor
Product Description
Planetary gearbox is a kind of reducer with wide versatility. The inner gear adopts low carbon alloy steel carburizing quenching and grinding or nitriding process. Planetary gearbox has the characteristics of small structure size, large output torque, high speed ratio, high efficiency, safe and reliable performance, etc. The inner gear of the planetary gearbox can be divided into spur gear and helical gear. Customers can choose the right precision reducer according to the needs of the application.
Model Selection
Range Of Planetary Gearbox
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Q: What’re your main products?
A: We currently produce Brushed Dc Motors, Brushed Dc Gear Motors, Planetary Dc Gear Motors, Brushless Dc Motors, Stepper motors, Ac Motors and High Precision Planetary Gear Box etc. You can check the specifications for above motors on our website and you can email us to recommend needed motors per your specification too.
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A:If you have motor pictures or drawings to show us, or you have detailed specs like voltage, speed, torque, motor size, working mode of the motor, needed lifetime and noise level etc, please do not hesitate to let us know, then we can recommend suitable motor per your request accordingly.
Q: Do you have a customized service for your standard motors?
A: Yes, we can customize per your request for the voltage, speed, torque and shaft size/shape. If you need additional wires/cables soldered on the terminal or need to add connectors, or capacitors or EMC we can make it too.
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A: Yes, we would like to design motors individually for our customers, but it may need some mold developing cost and design charge.
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A: Generally speaking, our regular standard product will need 15-30days, a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.
Please contact us if you have detailed requests, thank you !
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Estimated freight per unit. Precision and High-Accuracy Applications of Helical GearboxesHelical gearboxes are well-suited for precision and high-accuracy applications due to their unique design and performance characteristics:
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. |
To be negotiated |
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| Application: | Motor, Machinery, Marine, Agricultural Machinery |
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| Function: | Change Drive Torque, Speed Changing, Speed Reduction, AGV, CNC Machine, Robot |
| Layout: | Planetary Gear |
| Samples: |
US$ 100/Piece
1 Piece(Min.Order) | Order Sample |
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| Customization: |
Available
| Customized Request |
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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 th
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.
e 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 2023-08-17
China wholesaler Reducer Spiral Bevel Helical Speed Reduction Agriculture Agricultural Cycloidal Servo High Precision Planetary Winch Track Wheel Slewing Drive Nmrv Worm Gearbox wholesaler
Product Description
Reducer Spiral Bevel Helical Speed Reduction Agriculture Agricultural Cycloidal Servo High Precision Planetary Winch Track Wheel Slewing Drive Nmrv Worm Gearbox
Our products
Worm gearbox: RV series, WP series, SWL series screw jack, VF series
Helical gearbox: R/F/K/S series, HB series, BKM series, RC series, SMR shaft mounted gearbox, TA shaft mounted gearbox
Cycloidal gearboxes: BL/XL flange vertical installed double shaft type, BW/XW baseboard horizontal installed double shaft type, BLD/XLD flange vertical installed motor direct-connection type, BWD/XWD baseboard horizontal installed motor direct-connection type
Planetary gearbox: High precision planetary gearboxes, Planetary gearbox for feed mixer, Planetary gearbox for construction mixer, Travel drives, Winch drives, Slew drives, Inline gear reducer
Agricultural gearbox: Planetary gearbox for feed mixer, Flail Mower Gearbox, Rotary Tiller Gearbox, Lawn Mower Gearbox, rotary cutter gearbox, post hole gearbox, rotary mower gearbox, irrigation gearbox, fertilizer spreader gearbox, hydraulic drive gearbox, rotary rakes gearbox, hay tedders gearbox, sewage agitators gearbox, cutter bars gearbox, snowblower gearbox…
Our Advantages
–Box processing accuracy assurance
Large horizontal box machining center
High-end fully automatic multi-axis CNC boring and milling machine
Fully CNC high-precision processing ensures the accuracy of hole location
–Fourth level precision of precision gear grinding
The tooth surface is carburized and hardened, which is durable
Fine rolling and grinding process, high efficiency, stable and low noise
–Automatic numerical control workshop
Standardized CNC production workshop
Pass the ISO9001 quality system certification
Efficient operation to ensure production duration
–Diversified configuration and matching as required
It can be equipped with common three-phase/single-phase, braking, frequency conversion, explosion-proof, servo, and other motors.
Different motor voltage/frequency, protection grade, and energy efficiency grade can be configured.
Customizable input end cover matching non-standard power input device
–Automatic painting assembly line
Fully automatic painting assembly line
Ensure both internal and external products
Exquisite appearance and brand expression
–Rich customization design capability
Design technology team with more than 20 years of experience
Can undertake customization of various non-standard reducers
Company Profile
The company specializes in producing worm gearboxes (reducers), agricultural gearboxes, planetary gearboxes, helical gearboxes, swl series screw gearboxes, R, K, F, S series helical gear reducers, B/X series cycloidal pin gear reducers, etc. The products are exported to dozens of countries and regions in Europe, America, Japan, India, Brazil, etc. The products are mainly used in plastics, rubber, metallurgy and mining, petrochemical industry, hoisting and transportation, light industrial food, and other fields.
The company has exact and sensitive equipment, challenging tooth surface processing, and manufacturing equipment: German and Swiss gear grinders, gear testers, hobbing machines, large boring and milling machines, Japanese machining centers, etc.
More than 20 projects, such as the high torque reducer developed by the company, have won the national patent invention certificate and also won the national “high-tech enterprise certificate” in 2571.
Since its establishment in 2003, the company has adhered to the concept of “sustainable operation,” the business philosophy of “people-oriented, customer first,” and the core values of “unity, friendship, dedication, innovation, and efficiency.” The company keeps up with the cutting-edge technology in the market and strives to create the most satisfactory products for customers!
Product processing flow
Box processing process
Mechanical modeling of metal mold → casting on production line → artificial aging treatment → shot peening treatment → machining center processing → CMM detection
Gear processing process
Forging → normalizing → rough turning → fine turning → gear hobbing → chamfering of tooth end → carburizing and quenching (HRC58-62) → shot blasting → grinding of the end face and inner hole → gear grinding → accuracy testing (tooth shape, tooth orientation, tooth pitch, etc., level 6) → wire cutting keyway → magnetic particle flaw detection → ultrasonic cleaning and rust prevention.
Process flow of gear shaft processing
Forging → normalizing → rough turning (including center hole drilling) → finish turning → gear hobbing → keyway milling → carburizing and quenching (HRC58-62) → shot blasting → grinding center hole → excircle grinding → gear grinding → testing (tooth shape, tooth pitch, etc., level 6) → magnetic particle inspection → ultrasonic cleaning and rust prevention.
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How to select reducer
To determine the model of a reducer, the following parameters need to be determined:
1. Determine the running speed of the machine, and calculate the reduction ratio of the reducer according to this speed (reduction ratio=input shaft speed/output shaft speed=motor speed/mechanical required speed);
2. Calculate the load torque, select the output of the reducer according to this torque (refer to the “Output Torque Table” provided by the reducer manufacturer), and determine the reducer model;
3. Determine the additional functions of the reducer, such as power off braking, power on braking, frequency conversion, shrink frame, housing material, etc. Some additional functions can only be provided by specific factories.
| Application: | Motor, Electric Cars, Motorcycle, Machinery, Marine, Toy, Agricultural Machinery, Car |
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| Layout: | Coaxial |
| Hardness: | Soft Tooth Surface |
| Step: | Stepless |
| Transport Package: | Wooden Box |
| Specification: | Customize |
| Samples: |
US$ 9999/Piece
1 Piece(Min.Order) | |
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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 cont
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
Maintenance Tips to Prolong the Lifespan of Helical Gearboxes
Proper maintenance is essential to ensure the longevity and optimal performance of helical gearboxes. Here are some maintenance tips:
- Regular Inspections: Conduct routine visual inspections to check for any signs of wear, damage, or oil leakage. Detecting issues early can prevent further damage.
- Lubrication: Follow the manufacturer’s recommendations for lubrication intervals and use the correct type of lubricant. Proper lubrication reduces friction and wear between gear teeth.
- Cleanliness: Keep the gearbox environment clean and free from contaminants that could enter the gearbox and affect its performance.
- Tighten Fasteners: Check and tighten any loose fasteners or mounting bolts to ensure the gearbox remains securely in place.
- Alignment: Properly align the gearbox with connected equipment to prevent excessive loads and wear on the gear teeth.
- Temperature Monitoring: Monitor the operating temperature of the gearbox. Excessive heat can lead to premature wear and reduced efficiency.
- Vibration Analysis: Regularly analyze gearbox vibration levels to detect any unusual vibrations that might indicate issues with gear meshing or other components.
- Seal Integrity: Ensure that seals and gaskets are in good condition to prevent oil leakage and contamination.
- Load Considerations: Avoid overloading the gearbox beyond its specified capacity. High loads can accelerate wear and damage.
By following these maintenance practices, you can extend the lifespan of helical gearboxes and minimize the risk of unexpected failures. Regular maintenance not only reduces downtime and repair costs but also contributes to the efficient and reliable operation of equipment.
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.
act 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 2023-08-16
China wholesaler Spot Servo Helical Planetary Reducer Low Noise Low Backlash Impact Stepper Gear Box bevel helical gearbox application
Product Description
Product Description
Spot servo helical planetary reducer low noise low backlash impact stepper gear box is a new generation of practical products independently developed by our company:
Low noise: less than 65db.
Low back clearance: up to 3 arc minutes in a CZPT and 5 arc minutes in a double stage.
High torque: higher than the standard planetary reducer torque.
High stability: high strength alloy steel, the whole gear after hardening treatment, not only the surface hard substitution.
High deceleration ratio: Modular design, planetary gearbox can be interlinked.
With a standardized flange interface, the PSFN is easy to install and safe. Due to the high anti-tilt torque, this precision planetary reducer can complete many difficult tasks. Its advantage is: this planetary reducer even at the highest speed can achieve the highest efficiency, very suitable for high standard production conditions, a really strong and reasonable price products.
Gear material is made of high quality alloy steel, carbon – nitriding treatment, so as to obtain the best wear resistance and impact toughness. ANSYS technology is used to carry out finite element analysis on the strength of the gear, and trim the tooth surface shape and lead, so as to reduce the impact and noise of gear meshing and increase the service life of the gear train. The output planetary frame adopts the integrated structure design (double support), and the front and rear bearings are distributed in the box with large span, forming a stable integrated structure to ensure higher torsional rigidity and accuracy.
The gear ring and the output shell adopt the integrated design, using high quality steel, after hot forging forming, so as to obtain a higher material density. The integrated design ensures that all geometric dimensions are finished in 1 go, with higher precision and strength compared with other embedded and clamped structures. The input shaft and the locking device adopt the integrated design, the double bolts are symmetrical distribution, achieve dynamic balance at the same time, through the strong locking of the double bolts, effectively prevent the electric shaft drive from slipping, to achieve high precision and zero backgap power transmission.
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Product Advantage
Compared with other reduction machines, planetary gear reduction machines have high rigidity, high precision (single stage can be achieved within 1 point), high transmission efficiency (single stage in 97-98%), high torque/volume ratio, lifetime maintenance free and other characteristics.
Because of these characteristics, planetary gear reducer is mostly installed on the stepper motor and servo motor, used to reduce speed, increase torque, matching inertia.
Company Profile
Factory Display
FAQ
Q:Key points of selection of planetary reducer
A:1. Frame number determined by torque: the power source will have the effect of torque amplification after deceleration ratio. The output torque value of the reducer is proportional to the deceleration ratio, and the larger the ratio, the higher the torque value will be; But the gear group of the reducer has the limit, so the rated output torque of the planetary reducer is to say that the product can work stably under the data operation, so the box number must be selected according to the demand torque.
2, according to the accuracy to determine the model: in the process of automation will need positioning, when the positioning accuracy requirements are higher, you need to choose a higher level of products, and vice versa. The precision of the planetary reducer is called the “backgap”, which refers to the gap of the gear group. The definition is the Angle value that the output shaft of the planetary reducer can rotate when the input end is fixed. The smaller the return clearance is, the higher the accuracy is and the higher the cost is. The user can choose the right accuracy according to their actual situation.
3, according to the installation size selection: that is, the size of the front end of the servo motor. The input end of the planetary reducer must match the output end of the servo motor.
4, according to the appearance selection: according to customer demand output shaft and connecting surface has a standard series for users to choose, can also be customized according to user special needs.
5, according to the axial and radial force selection: the life of the planetary reducer is affected by the internal bearing, bearing life can be calculated through the load and speed, when the axial and radial force load of the reducer is higher, the bearing life will be shortened, at this time it is recommended to choose a large product.
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Shipping Cost:
Estimated freight per unit. |
To be negotiated |
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| Application: | Motor, Machinery, Agricultural Machinery, Automatic Equipment |
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| Hardness: | Hardened Tooth Surface |
| Installation: | Vertical Type |
| Customization: |
Available
| Customized Request |
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Why Choose a Helical Gearbox?
Choosing a helical gearbox is an important decision for any machine builder. It can help you to reduce maintenance costs, improve productivity and efficiency, and ensure that your equipment operates quietly and efficiently. In addition, it can also be compact in size and easy to install.
High productivity and efficiency
Compared to spur gears, helical gears have high productivity and efficiency. This is due to the fact that the helical gearbox is more effective at transferring power between right-angle configurations. Helical gears are also quieter. They also have the ability to tolerate a greater load. These gears are usually used in high-load applications, such as automotive transmission applications.
The basic features of helical gears include a slanted tooth face, a larger contact ratio, and a smoother performance. Helical gears are also less expensive than spur gears. They have more power carrying capacity, longer life, and are easier to maintain.
There are many factors that affect the efficiency of helical gearboxes. Some of them include the number of stages, reduction ratio, ambient conditions, and lubrication. They are also affected by the number of teeth.
Power loss in helical gears is mainly due to friction and heat. There are various approaches to minimize these losses. One approach is to analyse power losses using a numerical method.
Other factors that affect the efficiency of helical systems include speed, noise, and the number of teeth. The amount of power lost in gear mating is dependent on the load.
Low power consumption
Compared to other types of gearboxes, helical gearboxes have low power consumption. This is because they can tolerate more load, conduct smooth performance, and are quieter. They also require less oil changes and have a longer life span.
Helical gears have special teeth that are cut at an angle. The teeth are designed to engage gradually, rather than quickly. They can transfer power between parallel configurations and right-angle configurations.
Helical gearboxes are the most widely used gearboxes. They are also the most efficient. They can work at 98% efficiency. However, they are more expensive than spur gears. They can be packaged with oil-filled housings. They have less noise and require less maintenance. They can operate cooler, and have more torque capacity.
Helical gearboxes have two types: single and double helical gears. In the single type, the gears are perpendicular to the axis. They are usually used in automotive transmission applications. They can also be used in forward velocities. In the double type, the helical faces are next to each other.
Helical gears work at higher ratios, which increases their efficiency. They are also less noisy than spur gears. They are a good choice for applications that require high torque capacity. The basic efficiency of helical gearboxes ranges from 90% to 99.5%. They are also easier to operate and have a longer life span. They are suited to a wide range of applications.
Compact in size
Having a shiny new set of wheels is a nice change of pace. You get to sit in style and you get to drive it like the pro. The trick is finding the right one at the right time. Fortunately, there are plenty of companies who know how to build a high quality car that can be afforded by the average Joe. You’ll find all types of cars from sports coupes to hatchbacks. You’ll also find all types of drivers from the young professional to the seasoned veteran. You’ll also find all types of roads from main streets to back roads. There are even all types of parking spaces to choose from. With a bit of planning and some research, you’ll find the perfect fit for you and your family. You can’t help but wonder why you didn’t choose a vehicle with this many perks sooner. It’s a nice way to spend a night on the town, without having to worry about a parking fee. The next time you’re in the mood to take the family out to the country for a weekend in the great bluffs, you’ll know which ones to avoid.
Noise-free operation
Compared to spur gears, helical gears have better speed capability and quieter operation. However, helical gearboxes often have problems that stop their service. These faults result in increased productivity costs. These problems include fatigue, chipping tip, crack and missing tooth.
In this paper, we propose a novel signal processing scheme to detect gearbox faults at constant speed. The method involves the use of spectral subtraction (SS) to remove the spectral noise of a signal. This approach is widely used in speech signal processing. It is also used to estimate real-time noise information. The method was successfully applied to the analysis of gearbox faults.
The spectral subtraction technique is applied to the transmission error and to the side-band frequency feature. The side-band frequency is equal to the rotation frequency of the input shaft. A square envelope spectrum method is used to obtain the spectral feature. It was then used to obtain the corresponding fault signal. The method is then compared with experimentally measured noise data.
It is also important to note that the side-band feature is not stable in different noise levels. The optimal demodulation subband selection method is not obvious. However, the proposed method can obtain a stable amplitude value when SNR is low.
Another important factor that reduces noise is the overlap ratio. The overlap ratio is the sum of the transverse contact ratio and the face contact ratio. When the overlap ratio approaches one, the noise is minimized.
Improved performance at high speeds
Whether used in an industrial, automotive or power generation application, helical gearboxes provide a number of benefits over traditional spur gearing systems. These advantages include reduced noise, higher load capacity and smoother operation.
In an effort to reduce noise and improve performance at high speeds, Parker engineers developed a helical gearbox that runs quieter and produces 30-40% more torque than a conventionally modified gear. They also redesigned the entry and exit points of the gear tooth for increased efficiency and strength.
The high-speed helical geartrain has been tested at 5,000 hp power. The tests were performed in the High-Speed Helical Geartrain Test Facility at the NASA Glenn Research Center. The tests were conducted at four different design configurations and at multiple input shaft speeds. These tests included temperature increases from inlet to outlet, fling off temperatures, and power loss of the helical system.
The first step was to improve load distribution of the gear pair. This is done by modifying the microgeometry of each gear. In addition to modifying the microgeometry of each tooth, the length of the contact line was extended. This resulted in a higher tooth contact ratio.
Another option is to modify the straddle-mounted pin of the PGS. This is a complicated task because of spatial constraints. In order to determine whether the pin will have the desired effect, it needs to be tested in real-world tests.
Reduce maintenance costs
Compared to spur gears, helical gears have several advantages, such as less noise and vibration, greater load carrying capacity, and longer life. They also have a reduced maintenance cost.
Helical gears can be divided into two main types: single helical and crossed axis helicals. In the single helical type, two or three teeth connect at all times.
In crossed axis helicals, the shafts are inclined at a variety of angles. These gears are primarily used in non-perpendicular transmissions. They can have very low load carrying capacity, but they offer better strength and speed reduction than spur gears.
The double helical type has two mirrored rows of teeth that are angled. This type of gear is also known as a herringbone gear. It’s a design that’s ideal for non-perpendicular transmissions.
Helical gears are packaged in oil filled housings. They are a space saving gear reducer. They are used in automobile transmissions and other forward speeds. They are also used in industrial gearboxes.
Helical gears can be made of either solid or semi-solid materials. They can be sliced into an arbitrary number of cross sections. This allows the helix to be adjusted to suit the application.
It’s important to choose the right gear for your application. The gear’s design may include the number of teeth, lubricant type, surface treatment, and the tooth angle. It’s also important to choose the right lubricant, because it can affect the noise levels and the efficiency of the gear.
editor by CX 2023-04-18