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SYHG-Ⅲ Series Harmonic Drive

SYHG-Ⅲ Series Harmonic Drive
Large Hollow Shaft | Crossed Roller Bearing | Easy Custom Integration

Product Overview
The SYHG-Ⅲ Series features a hollow, flanged, standard-structure flexspline with a compact overall design. The wave generator incorporates a large-diameter hollow shaft and an integrated crossed roller bearing to support both radial and axial loads. This simplified structural design makes it easy for users to customize installation according to specific application requirements.

Key Features

Easy Installation & User-Friendly Design
Simplified structure allows quick integration and flexible customization.
Compact & Clean Design
Space-saving construction reduces system complexity.
Large-Diameter Hollow Shaft
Provides ample space for centralized cabling, pneumatic lines, or other feed-through requirements.
Integrated Crossed Roller Bearing
Built-in bearing supports both radial and axial loads, eliminating the need for external support bearings.
Zero Backlash
Gear engagement without backlash eliminates lost motion and improves control response.
Coaxial Input & Output
Maintains drivetrain simplicity and saves installation space.
High Positioning & Rotational Accuracy
Delivers excellent angular precision and repeatability for demanding motion control tasks.

Typical Applications
Ideal for robotic joints, rotary actuators, precision positioning systems, and automation equipment requiring a large hollow passage for cables or hoses, with simplified mounting and built-in load support.

Dimensional Drawings

Specifications & Performance

Model	Reduction ratio	Rated torque@2000r/min(N·m)	Start-Stop Allowable Peak Torque(N·m)	Max Allowable Avg Load Torque(N·m)	Instantaneous Max Allowable Torque(N·m)	Max Allowable Input Speed(r/min)	Allowable Avg Input Speed(r/min)	Backlash≤(arcsec)	Transmission Accuracy≤(arcsec)
14	50	7	23	9	46	8000	3500	20	90
14	80	10	30	14	51	8000	3500	20	90
14	100	10	36	14	70	8000	3500	10	90
17	50	21	44	34	91	7000	3500	20	90
17	80	29	56	35	113	7000	3500	20	90
17	100	31	70	51	143	7000	3500	10	90
20	50	33	73	44	127	6000	3500	20	60
20	80	44	96	61	165	6000	3500	20	60
20	100	52	107	64	191	6000	3500	10	60
20	120	52	113	64	161	6000	3500	10	60
25	50	51	127	72	242	5500	3500	20	60
25	80	82	178	113	332	5500	3500	20	60
25	100	87	204	140	369	5500	3500	10	60
25	120	87	217	140	395	5500	3500	10	60
32	50	99	281	140	497	4500	3500	20	60
32	80	153	395	217	738	4500	3500	10	60
32	100	178	433	281	841	4500	3500	10	60
32	120	178	459	281	892	4500	3500	10	60
40	50	178	523	255	892	4000	3000	10	60
40	80	268	675	369	1270	4000	3000	10	60
40	100	345	738	484	1400	4000	3000	10	60
40	120	382	802	586	1530	4000	3000	10	60

SYHG-Ⅲ Series Harmonic Drive

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Categories	SYHG series
Ratio:	50/80/100/120/160
Place of Origin:	CHINA
Brand Name:	SENINTER
Certification:	CE ROHS
Model Number:	SYHG-Ⅲ Series