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This miniature harmonic reducer has a diameter of 25mm-52mm and a torque of 0.08-4.8Nm, which is mainly used for robot joints.

Outer circle heat treatment
The heat treatment process combines the characteristics of materials heat treatment with stress accumulation after machining and stress dissipation before maching. Provides material with excellent longevity performance.

Middle circle heat treatment
After rigorous treatment, the fatigue strength of the material is greatly improved and the stress of each component is reduced, ensuring the stability of various indicators of the component.

Advantages of S-shaped teeth
It can reach about 40% of the whole tooth, which equalizes the transmission error and improves the transmission accuracy.


Product Parameter

Model | SHD-03 | |
Reduction ratio | 30 | 50 |
Rated torque when input 2000r/min | 0.08 | 0.13 |
Peak start-stop torque | 0.15 | 0.24 |
Maximum allowable load torque on average | 0.12 | 0.16 |
Maximum allowable moment torque | 0.25 | 0.5 |
Backlash | ≤20 | ≤20 |
Allowable maximum input speed | 10000 | |
Allowable average input speed | 6500 | |
Rotational inertia | 7.0x10-4 | |





Harmonic drive reducers are mainly applied in aerospace filed, industry robot, CNC machine, radar, data communication equipment, robotic arm, precision measuring instrument and etc.

We adopt thick foam inside the carton to protect the harmonic drive reducer. DHL, FEDEX, TNT, EMS are ok for sample order. We also could provide sea transport for large quantity orders of harmonic gear reducers.

With leading position in instruments, Zhengzhou Defy Mechanical & Electrical Equipment Co., Ltd owns more than 3,000 squares meters area for R&D, production and sales. 17 years’ experience in instruments, we are always seeking for greater perfection, keeping improving the production technology, offering better user experience.
Providing one-stop service of model select, installation guide and after-sales, also with OEM, ODM to meet clients' personalized demand. Zhengzhou Defy will be your reliable partner in harmonic accurator field.

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