Motor torque calculation for lift having chain drive

AI Thread Summary
To calculate the starting torque required for a motor to lift a 3.0-ton load using a chain drive, one must consider the load weight, the mechanical advantage provided by the pulley and chain system, and the frictional forces involved. The torque can be determined using the formula: Torque = Force x Distance, where Force is the weight of the load and Distance is the radius of the pulley or gear. Additionally, the efficiency of the system and any losses due to friction should be factored into the calculations. It is also important to ensure that the motor selected can handle both the starting and running torque requirements. Accurate calculations will ensure the lift operates safely and effectively.
mithleshkj
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i want to know how to calcuate Starting and running for motor in 2 post lift for lifting 3.0T.
Actually i have 2 columns having trapezoidal screw rod and nut in each side.
One column is getting drive by motor through pulley belt mechanism.
Another shaft is getting driven by chain at the bottom.
can someone tell us how to calculate the starting torque required at motor to lift load of 3000Kg via this chain drive??
 

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visit this page it could help you : http://industrial.panasonic.com/ww/i_e/25000/fa_pro_sgeard_shing1_e/fa_pro_sgeard_shing1_e/ctlg_geared_e_9.pdf
 
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