I am trying to 'size' my first motor to drive a system. I am trying to make a feeder where a PVC pipe is fed as shown. There are 2 vertical rollers, on connected to the motor as shown and an other coupled to a pneumatic piston to keep the pipe under pressure. the frictional force will be that of 12N while the torque required to overcome the force generated by the piston (assuming a worst case scenario and using F=PxA, and T=Fxr) was 6Nm. The total torque generated by the motor is that of 25.4Nm ( calculated using Power=torque x angular velocity).
While I am assuming that the motor is obviously more than able to overcome the frictional force, is there a way to combine both opposing forces and see the minimum torque required by the motor to overcome these forces?
Thanks in advance
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