SFM Frameless Torque Motor                                

Build your own torque motor

Advantages

• Direct Drive technology
• Operation with full torque starting from stand still
• Quiet operation
• Long life and reliability
• Simple installation and mechanical design
• Easy to replace
• Wide hollow shaft

Request for Proposal

HIGH

• Performance
• Pole number
• Dynamism and accuracy
• Efficiency
• Torque density
• Precise torque controllability
• Range of voltage
• Overload capability

NO

• Maintanence
• Need for gearbox
• ​Oil leakage problem
• Cooling

LOW

• Cogging torque
• ​Weight

U = 380 / 400 V                                                           Mmax = 1,5 x Mn                                                           Imax = 1,5 x In

Motor Code	Pole Number	Rated Continuous Output Power Pn  (kW)	​Speed at Rated Power nnom  (rpm)	Continuous Torque Mn (nm)	Frequency at Rated Power Fn (Hz)	Torque Sensitivity ​kt (Nm/A)	Continuous Current In (A)	Inertia Ja  (kg.m2)
SFM71-80	66	0,24	100	23	55	25,6	0,9	0,007554
SFM71-80	66	0,52	250	20	138	12,5	1,6	0,007554
SFM71-80	66	0,80	450	17	248	8,1	2,1	0,007554
SFM71-120	66	0,37	100	35	55	26,9	1,3	0,010672
SFM71-120	66	0,79	250	30	138	13,0	2,3	0,010672
SFM71-120	66	1,23	450	26	248	8,1	3,2	0,010672
SFM71-160	66	0,49	100	47	55	27,6	1,7	0,013791
SFM71-160	66	1,05	250	40	138	13,3	3,0	0,013791
SFM71-160	66	1,51	450	32	248	8,6	3,7	0,013791