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SYCD-Ⅱ series Harmonic Drive

Basic Properties
Place of Origin: CHINA
Brand Name: SENINTER
Certification: CE ROHS
Model Number: SYCD-Ⅱ series
Product Summary
SYCD-Ⅱ Series Harmonic ReducersDesigned to maximize the lightweight and compact benefits of harmonic gear drives, the SYCD-Ⅱ series introduces a bold new shape while retaining the proven performance of traditional products. With an ultra‑flat structure, the whole unit is more compact and lighter, ...

Product Details

Model: 14/17/20/25/32
Ratio: 50/80/100/120/160
Product Description


SYCD-Ⅱ Series Harmonic Reducers
Designed to maximize the lightweight and compact benefits of harmonic gear drives, the SYCD-Ⅱ series introduces a bold new shape while retaining the proven performance of traditional products. With an ultra‑flat structure, the whole unit is more compact and lighter, making it ideal for use in robot end joints and client‑side reducer applications where space is limited.  


SYCD-Ⅱ series Harmonic Drive


  • Product Features
    - Ultra‑flat structure for a clean, compact design  
    - Lightweight and space‑saving construction  
    - High static torque capacity  
    - Coaxial input and output  
    - Excellent positioning and rotational accuracy

Typical Applications

  • Humanoid Robots – Compact actuation for dexterous joints

  • Metal Working Machine Tools – High-precision rotary axes

  • Industrial Robots & Collaborative Robots (Cobots) – Reliable joint actuation

  • SCARA Robots – Smooth, backlash-free transmission

  • Medical Equipment – Precise, reliable motion for surgical and diagnostic devices

  • Aerospace – Robust performance under demanding conditions

SYCD-Ⅱ series Harmonic Drive


Dimensional Drawings

SYCD-Ⅱ series Harmonic Drive


SYCD-II Series Performance Parameters

Model Reduction Ratio Rated Torque at 2000r/min (Nm) Permissible Peak Torque at Start/Stop (Nm) Max. Permissible Average Load Torque (Nm) Instantaneous Max. Permissible Torque (Nm) Max. Permissible Input Rotational Speed (r/min) Average Permissible Input Rotational Speed (r/min) Backlash (arc sec) ≤ Transmission Accuracy (arc sec) ≤
14 50 3.5 11.4 4.6 23 8000 3500 20 90
14 80 5.1 15 6.2 29 8000 3500 20 90
14 100 5.1 18 7 33 8000 3500 20 90
17 50 10.5 22 17 46 7000 3500 20 90
17 80 14 29 21 54 7000 3500 20 90
17 100 15 35 26 67 7000 3500 20 90
20 50 16 37 23 66 6000 3500 20 90
20 80 23 49 28 78 6000 3500 10 90
20 100 27 54 32 90 6000 3500 10 90
25 50 26 66 36 121 5500 3500 20 60
25 80 42 91 62 157 5500 3500 10 60
25 100 45 105 71 175 5500 3500 10 60
32 50 50 143 71 255 4500 3500 20 60
32 80 79 202 126 350 4500 3500 10 60
32 100 91 221 143 399 4500 3500 10 60


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