Product Details
Company Profile

SYCG-Ⅰ Series Harmonic Drive

Composition

The SYCG-Ⅰ Series consists of three basic components: Flexspline, Circular Spline, and Wave Generator. The flexspline features a standard cup-type structure. The input shaft directly mates with the inner bore of the wave generator and is connected via a parallel key or set screw.

Features

Three basic components – Simple structure, easy to assemble
Compact and streamlined design – Small footprint, space-saving
Zero backlash – Backlash-free transmission for high precision
- Input and output coaxial – Easy system integration and layout
- Excellent positioning and rotational accuracy – Ideal for demanding applications
- Industrial Robots – Joint actuation, high-precision positioning and repetitive motion
- Service Robots – Lightweight design, smooth and flexible operation
- Medical Devices – Precision transmission, safe and reliable for surgical and diagnostic equipment
- Automation & Special Equipment – Fast response, stable operation in various automated production lines
- PCB Manufacturing Equipment – High positioning and repeatability accuracy for demanding PCB processes

Dimensional Drawings

Specifications & Performance

model symbol	14	17	20	25	32	40
∅A h6	50	60	70	85	110	135
B	18.5	20.7	21.5	21.6	23.6	29.7
C	6	6.5	7.5	10	14	17
D	-	-	4	6	7	7
∅E	-	-	3.5	4.5	5.5	6.6
F	C0.3	C0.4	C0.4	C0.4	C0.4	C0.4
∅G h6	38	48	54	67	90	110
∅H	23	27.2	32	40	52	64
∅I H6	11	10	16	20	26	32
J	2.4	3	3	3	3.2	4.1
K	28.6±0.2	32.2±0.2	33.5±0.2	37.2±0.2	44±0.2	53±0.2
L1	17.5	20	21.5	24	28	34
L2	11.1	12.2	12	13.2	16	19
M	2	2.5	3	3	3	4
∅N	14	18	21	26	26	32
O	0.4	0.3	0.1	2.1	2.5	3.3
P	8	16	16	16	16	16
∅Q	3.5	3.4	3.5	4.5	5.5	6.6
R	6	6	8	8	8	8
∅S	4.5	5.5	5.5	6.6	9	11
T(PCD)	17	19	24	30	40	50
U(PCD)	44	54	62	75	100	120
Vc	M3	M3	M3	M4	M5	M6
Vf	M3	M3	M3	M4	M5	M6
∅W	6	8	11	14	14	14
∅W	8	10	13	15	15	15
XJS9	-	-	4	5	5	5
Y	-	-	12.8	16.3	16.3	16.3
∅Z1	0.25	0.2	0.25	0.25	0.25	0.25
∅Z2	0.25	0.25	0.25	0.3	0.5	0.25
∅a	38	45	53	66	86	106
b	17.1	19	20.5	23	26.8	33
c	1	1	1.5	1.5	1.5	2
Cd1	0.4	0.4	0.4	0.4	0.4	0.5
Cd2	0.4	0.4	0.4	0.4	0.4	0.5
Cd3	0.5	0.5	0.5	0.5	0.5	0.5
e	2.5	3	-	-	-	-
f	M3X4	M3X6	-	-	-	-
weight(kg)	0.1	0.17	0.26	0.43	0.91	1.8

Model	Ratio	Rated Torque @ 2000 r/min (Nm)	Max Accel/Decel Torque (Nm)	Avg. Load Torque Max (Nm)	Instant Max Torque (Nm)	Max Input Speed (r/min)	Avg. Input Speed (r/min)	Backlash (arc sec) ≤	Transmission Error (arc sec) ≤
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
14	120	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
17	120	31	70	51	112	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	191	6000	3500	10	60
20	160	52	120	64	191	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
25	160	87	229	140	408	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
32	160	178	484	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
40	160	382	841	586	1530	4000	3000	10	60

SYCG-Ⅰ Series Harmonic Drive

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