Calculating torque of dc motor

Discussion in 'General Electronics Chat' started by aamirali, Apr 25, 2014.

  1. aamirali

    Thread Starter Member

    Feb 2, 2012
    415
    1
    How to calculate torque of a dc motor.

    I have got a dc motor with imprint:


    I can vary its speed, direction & control barke with a drive along with it, but don't know exactly how to calculate torque. It will be different with speed??
     
  2. Papabravo

    Expert

    Feb 24, 2006
    10,179
    1,800
    A DC motor will have a specified "Torque Constant", usually written as K_sub_T. Torque is then given as K_sub_T*Current. The specifications should also have a set of "Speed-Torque" curves that show the decline of torque with increasing speed. You need to find that datasheet.
     
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