Calculating Torque to Turn a Rod

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    Rod Torque
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To calculate the torque needed by a DC motor to turn a 0.75" diameter, 1-foot long threader rod, it's essential to consider the frictional forces involved in lifting and lowering the rod at a 90° angle. The torque required will depend on the weight of the rod and the friction between the rod and its bearings or supports. A general formula for torque is T = F * r, where F is the force (weight of the rod) and r is the radius (half the diameter). Additionally, accounting for friction will help determine the total torque needed to overcome resistance. Accurate calculations will ensure the motor can effectively operate the rod in the intended application.
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I am working on a senior design project, and we need to calculae the torque needed by a DC motor to turn a threader rod. Any ideas as to how to calculate the torque needed to turn a rod? .75" Diam., 1ft length, will be lifted/lowered up and down at 90° to level ground. I know I'm new, but any help is appreciated!
 
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Any torque will turn a rod overcoming friction, how much is the question?
 
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