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LHT Harmonic Reducer

LHT Harmonic Reducer features a hollow flanged barrel structure, with a compact overall design and sleek, simple construction. The flexible wheel and rigid wheel are connected by high rigidity cross roller bearings, making it an easily operated modular product.

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The LHT Series use hat type flexspline. We can divide LHT series into 5 versions, LHT-I, LHT-II,LHT-III,LHT-IV and LHT-V.

Differences Among Different LHT harmonic reducers:

LHT-I: use uni-body type wave generator

LHT-II: cross slider type wave generator

LHT-III: large bore with a hollow hole

LHT-IV: shaft input type

LHT-V: Simple type

1. LHT-I/II:More compact, two connection ways, motor can be connected with the gearbox directly, it's easy for installation.

2. LHT-III:A large-diameter hollow shaft hole and support bearings in it, fully sealed structure. Suitable for situation where the wire needs to be threaded from the center of the harmonic gearbox.

3. LHT-IV:The wave generator cam comes with input shaft.Suitable for different input forms, and situation where bevel gears or timing belt drive need to be installed at the input end.

4. LHT-V：Based on LHT-III series harmonic drive gearbox, users can redesign freely for lower weight and thinner thickness while properties have no change.

Model	Reduction ratio	Rated torque at 2000r/min input		Permissible peak torque at start and stop		Permissible maximum value for average load torque		Permissible maximum momentary torque		Permissible maximum input rotational speed	Permissible average input rotational speed	Backlash	Weight	Design life
		Rated torque at 2000r/min input		Permissible peak torque at start and stop		Permissible maximum value for average load torque		Permissible maximum momentary torque		Grease	Grease	Backlash	Weight	Design life
		Nm	kgfm	Nm	kgfm	Nm	kgfm	Nm	kgfm	r/min	r/min	Arc Sec	Kg	Hour
8	50	1.8	0.18	3.3	0.34	2.3	0.23	6.6	0.67	8500	3500	≤40	LHT-I:0.06	10000
8	100	2.4	0.24	4.8	0.49	3.3	0.34	9	0.92	8500	3500	≤40	LHT-I:0.06	10000
11	50	3.5	0.36	8.3	0.85	5.5	0.56	17	1.73	8500	3500	≤30	LHT-I:0.27	10000
	80	4.5	0.46	9.9	1.01	8	0.82	22.5	2.3					10000
	100	5	0.51	11	1.12	8.9	0.91	25	2.55					10000
14	50	5.4	0.55	18	1.8	6.9	0.7	35	3.6	8500	3500	≤20	LHT-I/II:0.4 LHT-III:0.70 LHT-IV:0.66 LHT-V:0.40 LHT-C:0.14 LHN-III:0.56 LHN-IV:0.50	10000
	50	5.4	0.55	18	1.8	6.9	0.7	35	3.6					10000
	80	7.8	0.8	23	2.4	11	1.1	47	4.8					15000
	100	7.8	0.8	28	2.9	11	1.1	54	5.5					15000
	120	7.8	0.8	28	2.9	11	1.1	54	5.5					15000
17	50	16	1.6	34	3.5	26	2.6	70	7.1	7300	3500	≤20	LHT-I/II:0.54 LHT-III:0.99 LHT-IV:0.90 LHT-V:0.62 LHT-C:0.19 LHN-III:0.79 LHN-IV:0.69	10000
	50	16	1.6	34	3.5	26	2.6	70	7.1					10000
	80	22	2.2	43	4.4	27	2.7	87	8.9					15000
	100	24	2.4	54	5.5	39	4	110	11					15000
	120	24	2.4	54	5.5	39	4	86	8.8					15000
20	50	25	2.5	56	5.7	34	3.5	98	10	6500	3500	≤20	LHT-I/II:0.72 LHT-III:1.32 LHT-IV:1.29 LHT-V:0.82 LHT-C:0.27 LHN-III:1.04 LHN-IV:0.98	10000
	80	34	3.5	74	7.5	47	4.8	127	13					15000
	100	40	4.1	82	8.4	49	5	147	15					15000
	120	40	4.1	87	8.9	49	5	147	15					15000
	160	40	4.1	92	9.4	49	5	147	15					15000
25	50	39	4	98	10	55	5.6	186	19	5600	3500	≤20	LHT-I/II:1.22 LHT-III:2.02 LHT-IV:1.99 LHT-V:1.40 LHT-C:0.46 LHN-III:1.65 LHN-IV:1.43	10000
	50	39	4	98	10	55	5.6	186	19					10000
	80	63	6.4	137	14	87	8.9	255	26					15000
	100	67	6.8	157	16	108	11	284	29					15000
	120	67	6.8	167	17	108	11	304	31					15000
32	50	76	7.8	216	22	108	11	382	39	4800	3500	≤20	LHT-I/II:2.54 LHT-III:4.20 LHT-IV:4.00 LHT-V:2.70 LHT-C:1.00 LHN-III:3.19 LHN-IV:3.17	10000
	50	76	7.8	216	22	108	11	382	39					10000
	80	118	12	304	31	167	17	568	58					15000
	100	137	14	333	34	216	22	647	66					15000
	120	137	14	353	36	216	22	686	70					15000
40	50	137	14	402	41	196	20	686	70	4000	3000	≤20	LHT-I/II:4.40 LHT-III:7.20 LHT-IV:7.00 LHT-V:4.06 LHT-C:1.87 LHN-III:5.95	10000
	50	137	14	402	41	196	20	686	70					10000
	80	206	21	519	53	284	29	980	100					15000
	100	265	27	568	58	372	38	1080	110					15000
	120	294	30	617	63	451	46	1180	120					15000

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LHT Harmonic Reducer

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