Thin-ring torque motors (MF series)

The MF series ("Megaflux") torque motors are three phase brushless synchronous motors with a very high torque and power density due to the usage of a high energy NdFeB permanent magnet material. The electromagnetical, thermal and mechanical designs have been optimised for a perfect integration in machine structures. The use of direct drive technology helps to improve the system behaviour regarding dynamic response, accuracy and smoothness.

The great variety of sizes with different torque capabilities and the custom adaptation of the winding to the specific requirements of your application guarantee the optimum performance. Standard supply voltages range from 42 to 650Vdc. The MF motors can be used in applications requiring very high dynamic response due to their high overload capacity and peak torques of more than 6,000Nm. The low cogging torque leads to a low torque ripple and therefore smooth operation at low speed.

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Catalogue Megaflux motors

Megaflux thin-ring torque motors

Torque motor as kit. 60mm outer diameter, 36mm hollow shaft

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Fields of application for thin-ring Torque Motors

The thin-ring Torque Motors are particularly suitable for the following applications:

Design tasks with very little axial length of the installation space
Design tasks that require a large internal bore.
Tasks where a medium (liquid, gas or similar) must pass through the engine (advantage of the large internal bore)
Tasks where an electrical cable must pass through the motor
Tasks where an optical cable must pass through the motor

Advantages of torque motors with thin ring design

different families with outside diameters from 60 to 792mm available
different motor lengths available (axial length)
high torques at slow to medium speeds
high torque density due to high number of poles
Thin ring design offers short axial length and a large internal bore

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Data table MF torque motors

Type	Peak Torque [Nm]	Cont. Torque [Nm]	Motor constant [Nm/√W]	Max. Cogging Torque [Nm]	No. Poles	OD Stator [mm]	ID rotor with / without mounting holes [mm]	Total length w/o [mm]	Weight [kg]	Rotor inertia [kg.m²]
MF0060-008	2,9	0,30	0,064	0,019	16	60,35	36,19	17,78	0,12	2,2
MF0060-020	7,2	0,58	0,118	0,021				29,86	0,25	7,5
MF0060-032	11,7	0,85	0,161	0,032				41,96	0,39	11,2
MF0060-044	16,0	1,09	0,196	0,042				53,36	0,52	14,9
MF0060-056	20,5	1,28	0,225	0,049				65,36	0,65	18,6

MF0076-008	4,1	0,54	0,103	0,020	16	75,97	46,99	19,06	0,19	9,8
MF0076-020	10,7	1,05	0,19	0,035				31,14	0,39	19,3
MF0076-032	18,0	1,49	0,25	0,049				43,24	0,61	28,8
MF0076-044	24,4	1,94	0,31	0,064				54,64	0,81	38,3
MF0076-056	31,2	2,36	0,355	0,078				66,64	1,02	47,8

MF0095-008	5,0	1,15	0,181	0,020	16	94,74	58,42	20,32	0,30	23,6
MF0095-020	13,4	2,23	0,331	0,046				32,40	0,63	46,5
MF0095-032	21,5	3,18	0,445	0,060				44,50	0,96	69,4
MF0095-044	29,2	4,06	0,539	0,088				55,90	1,28	92,3
MF0095-056	37,2	5,19	0,657	0,099				67,90	1,63	115,1

MF0127-008	5,9	2,17	0,277	0,046	16	127	83,82	25,40	0,51	80,8
MF0127-020	15,5	4,45	0,532	0,092				37,48	1,05	158,7
MF0127-032	24,6	6,29	0,714	0,141				49,58	1,58	236,6
MF0127-044	32,3	8,03	0,869	0,191				60,98	2,01	314,5
MF0127-056	38,6	9,79	1,012	0,240				72,98	2,65	392,7

MF0150-010	19,4	3,5	0,44	0,24	24	170	74 / 94	28,95	1,12	0,0008
MF0150-025	50,9	9,1	0,99	0,62				44,95	2,73	0,002
MF0150-050	117,7	15,3	1,46	1,18				69,95	5,34	0,003
MF0150-075	176,2	21,3	1,88	1,62				94,95	7,93	0,004
MF0150-100	234,1	27,6	2,23	2,41				119,95	10,50	0,005

MF0210-010	59,3	8,7	0,96	0,36	32	230	130 / 150	28,95	1,68	0,003
MF0210-025	155,4	21,7	2,04	0,97				44,95	3,97	0,005
MF0210-050	305,7	41,1	3,32	1,83				69,95	7,61	0,010
MF0210-075	457,2	65,6	4,27	2,68				94,95	11,25	0,014
MF0210-100	607,1	83,6	5,05	3,72				119,95	14,86	0,018

MF0255-010	69,3	12,0	1,30	0,44	40	275	172 / 192	28,95	2,14	0,006
MF0255-025	181,0	31,0	2,78	0,95				44,95	5,10	0,012
MF0255-050	354,5	60,0	4,30	1,89				69,95	9,64	0,021
MF0255-075	529,9	89,4	5,52	2,70				94,95	14,27	0,029
MF0255-100	703,5	116,6	6,45	3,88				119,95	18,80	0,038

MF0310-010	100,9	20,5	2,03	0,41	48	330	210 / 230	31,49	3,15	0,011
MF0310-025	263,8	49,1	4,23	1,08				47,49	7,22	0,021
MF0310-050	517,1	100,4	6,92	1,93				72,49	13,81	0,037
MF0310-075	772,6	150,0	8,89	2,91				97,49	20,38	0,053
MF0310-100	1.030,6	201,9	10,56	4,11				122,49	26,99	0,070

MF0410-010	325,3	76,7	4,95	0,81	64	430	267,92 / 290	31,49	8,64	0,070
MF0410-025	529,6	129,3	7,48	1,48				47,49	13,34	0,101
MF0410-050	1.037,5	224,0	11,43	2,76				72,49	24,96	0,179
MF0410-075	1.550,5	323,2	14,89	4,10				97,49	37,04	0,258
MF0410-100	2.058,4	440,5	18,05	5,58				122,49	49,19	0,336

MF0510-010	811,6	121,0	8,02	0,91	80	535	389 / 410	31,53	9,74	0,104
MF0510-025	1.321,7	196,0	11,56	1,63				47,53	15,05	0,132
MF0510-050	2.589,8	376,8	18,24	3,13				72,53	28,25	0,203
MF0510-075	3.870,8	583,6	23,54	4,18				97,53	41,67	0,273
MF0510-100	5.138,9	735,9	27,85	6,11				122,53	54,89	0,344

MF0610-015	1.010	198	10,87	1,07	96	640	462 / 490	37,53	10,05	0,297
MF0610-025	1.646	318	15,62	1,89				47,53	21,80	0,390
MF0610-050	3.222	601	24,72	3,53				72,53	41,17	0,648
MF0610-075	4.814	880	31,77	4,99				97,53	60,74	0,910
MF0610-100	6.390	1.164	37,59	7,10				122,53	80,12	1,168

MF0760-015	2.523	331	18,63	1,22	128	792	581,99 / 620	37,53	19,71	0,636
MF0760-025	4.112	533	26,30	2,30				47,53	30,41	0,775
MF0760-050	8.060	1.024	41,48	4,11				72,53	57,13	1,195
MF0760-075	12.048	1.520	53,20	5,89				97,53	81,12	1,615
MF0760-100	15.914	2.020	62,71	8,21				122,53	110,29	1,967

Thin-ring Torque Motors

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Fields of application for thin-ring Torque Motors

Advantages of torque motors with thin ring design

Do you have technical questions or need a quote?

Data table MF torque motors

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