Technical Calculation Service | Nidec Corporation- torque speed roller ,This is Nidec's technical calculation service page. You can easily obtain the calculation result of the load torque when driving a belt conveyor simply by entering the values.How can we calculate the required torque to move a massive ...How can we calculate the required torque to rotate 1200 kg of mass? Question. ... I aim top speed of 80 kmph, and no problem with acceleration it can as low as possible, so that i can use low ...