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FSN Lightweight

Product Overview

FSN Harmonic Reducer Unit

The FSN lightweight type is Laifual Drive’s specialized solution for weight-sensitive applications. Through structural optimization and advanced material engineering, the FSN Series achieves a lightweight profile without compromising performance. It delivers the same high precision, torque capacity, and rigidity as our standard models, making it the ideal choice for dynamic systems where reducing inertia and overall mass is critical.

Key advantages of the FSN unit include:

Ultra-Lightweight Design: Significantly reduced weight compared to standard series, helping to lower the total mass of the robotic joint or automation equipment.
Uncompromised Performance: Unlike traditional lightweight solutions that may sacrifice durability, the FSN Series maintains the same torque output, stiffness, and transmission accuracy as standard Laifual Drive products.
High Power Density: Offers an exceptional torque-to-weight ratio, allowing for the design of faster, more agile, and energy-efficient machinery.
Low Moment of Inertia: The reduced mass contributes to lower start-up torque and faster acceleration/deceleration response.

Technical Specifications

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
5	50	0.4	0.04	0.9	0.09	0.53	0.05	1.8	0.18	10000	6500	≤60	0.025	10000
5	100	0.6	0.06	1.4	0.14	0.94	0.1	2.7	0.28	10000	6500	≤60	0.025	10000
8	50	1.8	0.18	3.3	0.34	2.3	0.23	6.6	0.67	8500	3500	≤30	FSN-I:0.08 FSS-C:0.026	10000
8	100	2.4	0.24	4.8	0.49	3.3	0.34	9	0.92	8500	3500	≤30	FSN-I:0.08 FSS-C:0.026	10000
11	50	3.5	0.36	8.3	0.85	5.5	0.56	17	1.73	8500	3500	≤30	FSS-I:0.13 FSN-I:0.17 FSS-C:0.05	10000
11	100	5	0.51	11	1.12	8.9	0.91	25	2.55	8500	3500	≤30	FSS-I:0.13 FSN-I:0.17 FSS-C:0.05	10000
14	50	5.4	0.55	18	1.8	6.9	0.7	35	3.6	8500	3500	≤20	FSS-I/II:0.51 FSS-C:0.09 FSN-I/II:0.39 FSSF-I:0.51	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
17	50	16	1.6	34	3.5	26	2.6	70	7.1	7300	3500	≤20	FSS-I/II: 0.67 FSS-C: 0.15 FSN-I/II: 0.52 FSSF-I: 0.67	10000
	80	22	2.2	43	4.4	27	2.7	87	8.9					15000
	100	24	2.4	54	5.5	39	4	108	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	FSS-I/II: 0.96 FSS-C: 0.28 FSN-I/II: 0.73 FSSF-I: 0.96	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	FSS-I/II: 1.46 FSS-C: 0.42 FSN-I/II: 1.14 FSSF-I: 1.46	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
	160	67	6.8	176	18	108	11	314	32					15000
32	50	76	7.8	216	22	108	11	382	39	4800	3500	≤20	FSS-I/II: 3.11 FSS-C: 0.89 FSN-I/II: 2.47	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
	160	137	14	372	38	216	22	686	70					15000
40	50	137	14	402	41	196	20	686	70	4000	3000	≤20	FSS-I/II: 4.6 FSS-C: 1.7 FSN-I/II: 3.64 FSSF-I: 4.6	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
	160	294	30	647	66	451	46	1180	120					15000

Diagram

FSS

FFS

FSN

FSG

Download

FSS technical drawing

Application

Industrial Robot

Service Robots

Medical Devices

Analysis,Test Equipment

Energy Related Equipment

Papermaking Equipment

Frequently Asked Questions

Composition of Harmonic Gear Reducer?

Laifual Drive shall not be liable for consequential damages of others equipment cause by the defective products. and shall not be liable for the incidental and consequential expenses and the labor costs for detaching and installing to the driven equipment.

Cycloidal vs Harmonic Reducer?

Characteristics of Harmonic Gear Reducer?

Composition of Harmonic Gear Reducer?

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