China Good quality Industrial-Grade Planetary Gearbox for High-Speed Machining Centers gearbox definition

Product Description

 
 

Product Description

Product Parameters

 

Parameters Unit Level Reduction Ratio Flange Size Specification
042 060 090 115 142 180 220 280 330
Rated Output Torque T2n N.m 1 3 20 55 130 208 342 750 1140 1500 3000
4 19 50 140 290 542 1050 1700 5800 10190
5 22 60 160 330 650 1200 2000 4400 7180
6 20 55 140 300 550 1100 1800 3500 6500
7 19 50 140 300 550 1100 1800 3220 5000
8 17 45 120 260 500 1000 1600 2595 4080
10 14 40 100 230 450 900 1500 1820 3500
2 12 20 55 130 208 342 1050 1700 5800 10190
15 22 60 160 330 650 1200 2000 4400 7180
20 22 60 160 330 650 1200 2000 5800 10190
25 22 60 160 330 650 1200 2000 4400 7180
28 19 50 140 300 550 1100 1800 5800 10190
30 20 55 130 230 450 900 1500 1500 3500
35 22 60 160 330 650 1200 2000 4400 7180
40 22 60 160 330 650 1200 2000 5800 10190
50 22 60 160 330 650 1200 2000 4400 7180
70 19 50 140 300 550 1100 1800 3220 5000
100 14 40 100 230 450 900 1500 1820 3500
3 120 20 55 140 290 542 1050 1700 5800 10190
150 22 60 160 330 650 1200 2000 4400 7180
200 22 60 160 330 650 1200 2000 5800 10190
250 22 60 160 330 650 1200 2000 4400 7180
280 19 50 140 300 550 1100 1800 5800 10190
350 22 60 160 330 650 1200 2000 4400 7180
400 22 60 160 330 650 1200 2000 5800 10190
500 22 60 160 330 650 1200 2000 4400 7180
700 19 50 140 300 550 1100 1800 3220 5000
1000 14 40 100 230 450 900 1500 1820 3500
Maximum Output Torque T2b N.m 1,2,3 3~1000 3Times of Rated Output Torque 2Times of Rated Output Torque
Rated Input Speed N1n rpm 1,2,3 3~1000 5000 5000 3000 3000 3000 3000 2000 1500 1500
Maximum Input Speed N1b rpm 1,2,3 3~1000 10000 10000 6000 6000 6000 6000 4000 3000 3000
Ultra Precision Backlash PS arcmin 1 3~10 ≤1 ≤1 ≤1 ≤1 ≤1 ≤1 ≤1    
arcmin 2 12~100 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2    
arcmin 3 120~1000 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5    
High Precision Backlash P0 arcmin 1 3~10 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2 ≤2    
arcmin 2 12~100 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3    
arcmin 3 120~1000 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7    
Precision Backlash P1 arcmin 1 3~10 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤3 ≤15 ≤15
arcmin 2 12~100 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤18 ≤18
arcmin 3 12~1000 ≤9 ≤9 ≤9 ≤9 ≤9 ≤9 ≤9 ≤22 ≤22
Standard Backlash P2 arcmin 1 3~10 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5 ≤5    
arcmin 2 12~100 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7 ≤7    
arcmin 3 120~1000 ≤11 ≤11 ≤11 ≤11 ≤11 ≤11 ≤11    
Torsional Rigidity Nm/arcmin 1,2,3 3~1000 3 4.5 14 25 50 145 225 213.3 339
Allowable Radial Force F2rb2 N 1,2,3 3~1000 780 1550 3250 6700 9400 14500 30000 15000 17000
Allowable Axial Force F2ab2 N 1,2,3 3~1000 390 770 1630 3350 4700 7250 14000 12000 15000
Moment of Inertia J1 kg.cm2 1 3~10 0.05 0.2 1.2 2 7.2 25 65 39.9 73.4
kg.cm2 2 12~100 0.03 0.08 0.18 0.7 1.7 7.9 14 18.8 23.8
kg.cm2 3 120~1000 0.03 0.03 0.01 0.04 0.09 0.21 0.82 13.54 18.8
Service Life hr 1,2,3 3~1000 20000
Efficiency η % 1 3~10 97%
2 12~100 94%
3 120~1000 91%
Noise Level dB 1,2,3 3~1000 ≤56 ≤58 ≤60 ≤63 ≤65 ≤67 ≤70 ≤73 ≤75
Operating Temperature ºC 1,2,3 3~1000 -10~+90
Protection Class IP 1,2,3 3~1000 IP65
Weights kg 1 3~10 0.6 1.3 3.9 8.7 16 31 48 110 160
2 12~100 0.8 1.8 4.6 10 20 39 62 135 180
3 120~1000 1.2 2.3 5.3 11 22 44 68 145 192

FAQ

Q: How to select a gearbox?

A: Firstly, determine the torque and speed requirements for your application. Consider the load characteristics, operating environment, and duty cycle. Then, choose the appropriate gearbox type, such as planetary, worm, or helical, based on the specific needs of your system. Ensure compatibility with the motor and other mechanical components in your setup. Lastly, consider factors like efficiency, backlash, and size to make an informed selection.

Q: What type of motor can be paired with a gearbox?

A: Gearboxes can be paired with various types of motors, including servo motors, stepper motors, and brushed or brushless DC motors. The choice depends on the specific application requirements, such as speed, torque, and precision. Ensure compatibility between the gearbox and motor specifications for seamless integration.

Q: Does a gearbox require maintenance, and how is it maintained?

A: Gearboxes typically require minimal maintenance. Regularly check for signs of wear, lubricate as per the manufacturer’s recommendations, and replace lubricants at specified intervals. Performing routine inspections can help identify issues early and extend the lifespan of the gearbox.

Q: What is the lifespan of a gearbox?

A: The lifespan of a gearbox depends on factors such as load conditions, operating environment, and maintenance practices. A well-maintained gearbox can last for several years. Regularly monitor its condition and address any issues promptly to ensure a longer operational life.

Q: What is the slowest speed a gearbox can achieve?

A: Gearboxes are capable of achieving very slow speeds, depending on their design and gear ratio. Some gearboxes are specifically designed for low-speed applications, and the choice should align with the specific speed requirements of your system.

Q: What is the maximum reduction ratio of a gearbox?

A: The maximum reduction ratio of a gearbox depends on its design and configuration. Gearboxes can achieve various reduction ratios, and it’s important to choose 1 that meets the torque and speed requirements of your application. Consult the gearbox specifications or contact the manufacturer for detailed information on available reduction ratios.

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Application: Motor, Electric Cars, Machinery, Agricultural Machinery, Gearbox
Hardness: Hardened Tooth Surface
Installation: Vertical Type
Layout: Coaxial
Gear Shape: Bevel Gear
Step: Three-Step
Customization:
Available

|

Customized Request

planetary gearbox

Impact of Gear Tooth Design and Profile on the Efficiency of Planetary Gearboxes

The design and profile of gear teeth have a significant impact on the efficiency of planetary gearboxes:

  • Tooth Profile: The tooth profile, such as involute, cycloid, or modified profiles, affects the contact pattern and load distribution between gear teeth. An optimized profile minimizes stress concentration and ensures smooth meshing, contributing to higher efficiency.
  • Tooth Shape: The shape of gear teeth influences the amount of sliding and rolling motion during meshing. Gear teeth designed for more rolling and less sliding motion reduce friction and wear, enhancing overall efficiency.
  • Pressure Angle: The pressure angle at which gear teeth engage affects the force distribution and efficiency. Larger pressure angles can lead to higher efficiency due to improved load sharing, but they may require more space.
  • Tooth Thickness and Width: Optimized tooth thickness and width contribute to distributing the load more evenly across the gear face. Proper sizing reduces stress and increases efficiency.
  • Backlash: Backlash, the gap between meshing gear teeth, impacts efficiency by causing vibrations and energy losses. Properly controlled backlash minimizes these effects and improves efficiency.
  • Tooth Surface Finish: Smoother tooth surfaces reduce friction and wear. Proper surface finish, achieved through grinding or honing, enhances efficiency by reducing energy losses due to friction.
  • Material Selection: The choice of gear material influences wear, heat generation, and overall efficiency. Materials with good wear resistance and low friction coefficients contribute to higher efficiency.
  • Profile Modification: Profile modifications, such as tip and root relief, optimize tooth contact and reduce interference. These modifications minimize friction and increase efficiency.

In summary, the design and profile of gear teeth play a crucial role in determining the efficiency of planetary gearboxes. Optimal tooth profiles, shapes, pressure angles, thicknesses, widths, surface finishes, and material selections all contribute to reducing friction, wear, and energy losses, resulting in improved overall efficiency.

planetary gearbox

Signs of Wear or Damage in Planetary Gearboxes and Recommended Service

Planetary gearboxes, like any mechanical component, can exhibit signs of wear or damage over time. Recognizing these signs is crucial for timely maintenance to prevent further issues. Here are some common signs of wear or damage in planetary gearboxes:

1. Unusual Noise: Excessive noise, grinding, or whining sounds during operation can indicate worn or misaligned gear teeth. Unusual noise is often a clear indicator that something is wrong within the gearbox.

2. Increased Vibration: Excessive vibration or shaking during operation can result from misalignment, damaged bearings, or worn gears. Vibration can lead to further damage if not addressed promptly.

3. Gear Tooth Wear: Inspect gear teeth for signs of wear, pitting, or chipping. These issues can result from improper lubrication, overload, or other operational factors. Damaged gear teeth can affect the gearbox’s efficiency and performance.

4. Oil Leakage: Leakage of gearbox oil or lubricant can indicate a faulty seal or gasket. Oil leakage not only leads to reduced lubrication but can also cause environmental contamination and further damage to the gearbox components.

5. Temperature Increase: A significant rise in operating temperature can suggest increased friction due to wear or inadequate lubrication. Monitoring temperature changes can help identify potential issues early.

6. Reduced Efficiency: If you notice a decrease in performance, such as decreased torque output or inconsistent speed, it could indicate internal damage to the gearbox components.

7. Abnormal Gear Ratios: If the output speed or torque does not match the expected gear ratio, it could be due to gear wear, misalignment, or other issues affecting the gear engagement.

8. Frequent Maintenance Intervals: If you find that you need to service the gearbox more frequently than usual, it could be a sign that the gearbox is experiencing excessive wear or damage.

When to Service: If any of the above signs are observed, it’s important to address them promptly. Regular maintenance checks are also recommended to detect potential issues early and prevent more significant problems. Scheduled maintenance should include inspections, lubrication checks, and replacement of worn or damaged components.

It’s advisable to consult the gearbox manufacturer’s guidelines for recommended service intervals and practices. Regular maintenance can extend the lifespan of the planetary gearbox and ensure it continues to operate efficiently and reliably.

planetary gearbox

Impact of Gear Ratio on Output Speed and Torque in Planetary Gearboxes

The gear ratio of a planetary gearbox has a significant effect on both the output speed and torque of the system. The gear ratio is defined as the ratio of the number of teeth on the driven gear (output) to the number of teeth on the driving gear (input).

1. Output Speed: The gear ratio determines the relationship between the input and output speeds of the gearbox. A higher gear ratio (more teeth on the output gear) results in a lower output speed compared to the input speed. Conversely, a lower gear ratio (fewer teeth on the output gear) leads to a higher output speed relative to the input speed.

2. Output Torque: The gear ratio also affects the output torque of the gearbox. An increase in gear ratio amplifies the torque delivered at the output, making it higher than the input torque. Conversely, a decrease in gear ratio reduces the output torque relative to the input torque.

The relationship between gear ratio, output speed, and output torque is inversely proportional. This means that as the gear ratio increases and output speed decreases, the output torque proportionally increases. Conversely, as the gear ratio decreases and output speed increases, the output torque proportionally decreases.

It’s important to note that the gear ratio selection in a planetary gearbox involves trade-offs between output speed and torque. Engineers choose a gear ratio that aligns with the specific application’s requirements, considering factors such as desired speed, torque, and efficiency.

China Good quality Industrial-Grade Planetary Gearbox for High-Speed Machining Centers   gearbox definition		China Good quality Industrial-Grade Planetary Gearbox for High-Speed Machining Centers   gearbox definition
editor by CX 2024-02-06