Name: Compact Design High Torque Heavy Load Strain Wave Gearbox
SKU: 0

Compact Design High Torque Heavy Load Strain Wave Gearbox

● Introduction

The FHG-SJ series strain wave gearbox is engineered for high-torque and heavy-load applications, featuring compact axial dimensions compared to conventional reducers. It incorporates a top-hat style flexspline and an integrated cam wave generator, where the cam shaft bore is customizable to match specific motor models. The input shaft directly interfaces with the wave generator’s inner bore via a keyway connection. This series typically employs a fixed flexspline end and an output circular spline end configuration.

Features

● Higher torque capacity, enhanced load-bearing performance, and superior rigidity

● Integrated cam structure simplifies installation with versatile mounting configurations

● Exceptional rotational accuracy and repeatable positioning precision

● Coaxial input/output alignment

● Compact axial dimensions compared to traditional reducers

Specification

Sheet 1



Model	Reduction ratio	Rated torque at input 2000r/min		Peak torque at start/stop		Permissible max. value of ave.load torque		Instantaneous permissible max. torque		Permissible max. input rotational speed(r/min)	Permissible ave. input rotational speed(r/min)	Backlash	Weight
Model	Reduction ratio	Nm	kgfm	Nm	kgfm	Nm	kgfm	Nm	kgfm	Grease lubricant	Grease lubricant	arcsec	kg
FHG-45-50-SJ	50	229	23	650	66	584	60	1235	126	3800	3000	12	6.5
FHG-45-80-SJ	80	407	42	918	94	507	52	1651	168	3800	3000	8	6.5
FHG-45-100-SJ	100	457	47	982	100	650	66	2041	208	3800	3000	6	6.5
FHG-45-120-SJ	120	524	53	1070	109	806	82	2288	233	3800	3000	5	6.5
FHG-45-160-SJ	160	524	53	1147	117	819	84	2483	253	3800	3000	4	6.5
FHG-50-80-SJ	80	484	49	1223	125	675	69	2418	247	3500	2500	8	9.6
FHG-50-100-SJ	100	612	62	1274	130	866	88	2678	273	3500	2500	6	9.6
FHG-50-120-SJ	120	692	71	1404	143	1057	108	2678	273	3500	2500	5	9.6
FHG-50-160-SJ	160	692	71	1534	157	1096	112	3187	325	3500	2500	4	9.6
FHG-58-80-SJ	80	714	73	1924	196	1003	102	3187	325	3000	2200	6	13.5
FHG-58-100-SJ	100	905	92	2067	211	1378	141	4134	422	3000	2200	5	13.5
FHG-58-120-SJ	120	971	99	2236	228	1547	158	4329	442	3000	2200	4	13.5
FHG-58-160-SJ	160	971	99	2392	244	1573	161	4459	455	3000	2200	3	13.5
FHG-65-80-SJ	80	971	99	2743	280	1352	138	4836	493	2800	1900	6	19.5
FHG-65-100-SJ	100	1238	126	2990	305	1976	202	6179	631	2800	1900	5	19.5
FHG-65-120-SJ	120	1238	126	3263	333	2041	208	6179	631	2800	1900	4	19.5
FHG-65-160-SJ	160	1238	126	2419	349	2041	208	6179	631	2800	1900	3	19.5

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