Need help to calculate torque

vendredi 2 mai 2014

Hi,

I am trying to solve a problem.



I want to try to calculate the torque needed to make a crane move on rails.

I attached simple drawing of a crane. i want to calculate torque needed for each one of the four wheels so i could try choose proper electromotors and reducers.



I don't need exact calculations, i want some guidance at how it is calculated.



P.S. sorry for my English, not native language but trying hard.

P.P.S. dimensions in drawing are in mm.




Attached Images





File Type: jpg Crane.jpg (42.6 KB)







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