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Brand Name : Giant Precision
Model Number : LHT-20-XX-U-I
Certification : ISO9001
Place of Origin : China
MOQ : 1 set
Price : To Be Negotiated
Payment Terms : T/T
Supply Ability : 20000 Sets per Month
Delivery Time : 3-4 Weeks
Packaging Details : Carton Box
Product : LHT - I Model 20 Harmonic Reducer
Components : Wave Generator, Flexspline, Circular Spline
Reduction Ratio : 50:1, 80:1, 100:1, 120:1
Backlash : ≤20 Arc Sec
Maximum Input Speed : 6500 r/min
Average Input Speed : 3500 r/min
Design Life : 15000 hours
Weight : 0.72kg
Application : Robotics, Aerospace, Medical Devices, CNC Machinery
Connection way : Motor Direct Drive
Features : High Gear Ratios, Zero Backlash, High Torque Capacity, Compact and Lightweight
Warranty : 1 Year
![]() | High Gear Ratios Achievable Ratios: Harmonic drives can achieve very high gear reduction ratios in a single stage, which is difficult for other types of gears. Zero Backlash Low Backlash: Harmonic drives offer extremely low to zero backlash, enhancing positioning accuracy and repeatability, which is essential in precision applications like robotics and CNC machinery. High Torque Capacity Torque Transmission: Despite their compact size, harmonic drives can transmit high torque. This is due to the large number of teeth in contact between the flexspline and the circular spline. |
Model | 20 | ||||||
Reduction ratio | 50 | 80 | 100 | 120 | 160 | ||
Rated torque at 2000r/min input | Nm | 25 | 34 | 40 | 40 | 40 | |
kgfm | 2.5 | 3.5 | 4.1 | 4.1 | 4.1 | ||
Permissible peak torque at start and stop | Nm | 56 | 74 | 82 | 87 | 92 | |
kgfm | 5.7 | 7.5 | 8.4 | 8.9 | 9.4 | ||
Permissible maximum value for average load torque | Nm | 34 | 47 | 49 | 49 | 49 | |
kgfm | 3.5 | 4.8 | 5 | 5 | 5 | ||
Permissible maximum momentary torque | Nm | 98 | 127 | 147 | 147 | 147 | |
kgfm | 10 | 13 | 15 | 15 | 15 | ||
Permissible maximum input rotational speed (Grease) | r/min | 6500 | |||||
Permissible average input rotational speed (Grease) | r/min | 3500 | |||||
Backlash | Arc Sec | ≤20 | |||||
Weight | kg | 0.72 | |||||
Design life | Hour | 10000 | 15000 | 15000 | 15000 | 15000 |
![]() | Key Attributes of LHT - I Model 20 Harmonic Gear Units | |||
Product | Model 20 Harmonic Drive | |||
Components | Wave Generator, Flexspline, Circular Spline | |||
Reduction Ratio | 50:1, 80:1, 100:1, 120:1 | |||
Backlash | Less than 20 Arc Sec | |||
Average Input Speed | 6500 r/min | |||
Max Input Speed | 3500 r/min | |||
Design Life | 15000 hours | |||
Model | 20 | |||
Weight | 0.72 kg | |||
Warranty | 1 Year |
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High Precision small Strain Wave Drive Reducer Harmonic Gears For CNC Machinery Images |