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I am struggling to understand how the units equate to NM in the formula below when calculating torque requirement for a motor. torque = moment of inertia * angular acceleration Given that:- units for Torque=Nm units for Moment of inertia=kg/m2 units for angular acceleration=radians/sec2...

We have spent a lot of time on the structural design ie. frame and bearing capacity which is more in line with our expertise and have had it verified by our local university facility via FE analysis. Just trying to get our heads around the motor and drive requirements. Really appreciate your...

Thanks, I will re-visit taking your replies on board. I now have a much clearer view of this. Regards, Brett.

Thanks desertfox. This is not really my forte and my mechanics knowledge is limited. It is a project I have been asked to get involved with. I am not too proud to show my inadequacies so my theory and calculations are as follows.I treated it as a simple lever where to turn the mass 74730N(7.5t)...

Please refer to the attached .pdf sketch. I have a component of mass 7.5 (74730N) Tonne mounted in a frame. The frame is connected to a shaft mounted on bearings. The shaft carries a large sprocket which is driven by a transmission chain via a small sprocket connected to the motor. The...