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08-15-2012 04:30 AM

Direct Drives like Torque Motor

I have a important question about Torque Motor:
In which large industrial machines already found the engine torque applied?
anyone know reputable companies already using this technology?

08-15-2012 04:31 AM
Top #2
08-15-2012 04:31 AM
Very interesting topic. But now the popular control method for 3 phase PMSM motor is FOC, which can use torque mode or speed mode to control the motor. For the torque motor, I don't know about it. Anyone knows detail about it,please comment.
08-15-2012 04:32 AM
Top #3
08-15-2012 04:32 AM
Torque motor, used to (even now) mean high torque, low speed (high motor poles), mostly frameless. from Brush DC to brushless, PMSM. kollmorgen, Exxx etc are some leaders for that torque motor application in dustry. As to end-customer name, i think really lots of where need fast response, simple design, zero back-lash, smooth moving with compact size etc.

As to control, the same to control Brush DC (for very precise, smooth but low speed control, just DC drive) and PMSM Brushless (most update and same to control servo using FOC or sine wave).
08-15-2012 04:32 AM
Top #4
08-15-2012 04:32 AM
High resolution torque motor is also used instead of motor+gear. Some of torque motors need high voltage drive (800 Volts) and can get also to high speed.
08-15-2012 04:33 AM
Top #5
08-15-2012 04:33 AM
Hydraulic Tube Benders can be dirty and inefficient, but I'm sure that is part of your reason for looking into torque motors. Georgii Kobold has a broad range of Torque Motors; they are available in IP67, IP65 Round (KTY-R), IP54 sQuare (KTY-Q), IP54 pancake/Flat (KTY-F) as well as stainless steel torque motors with nominal torques from 6.5 to 270 Nm. Each series comes in 3-4 diameters with 3-4 stack lengths.
Typical applications are in the medical, food/beverage, machine tool/automation and printing/packaging industries.
08-30-2012 11:26 AM
Top #6
08-30-2012 11:26 AM
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