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Re: leadscrews

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Posted By<" ">Jeff Dayman on September 06, 2002 at 13:55:28:

In Reply to: leadscrews posted byJeff Dayman on August 30, 2002 at 20:05:10:

: anyone out there know a simple formula for calculating the torque input to a leadscrew's nut to get a given resultant force axial to the leadscrew?

: In this system the nut is turned to move the leadscrew.

: diameter, force output, and pitch are known. The thread is a 60 degree flank iso std thread. If there is a calculation with and without friction consideration please post it too.

Hi Randy,

I can not use a ball screw as this is a small instrument device I am working on, and the forces are low. I just want to be sure about my calculations before proceeding. It is not a machine tool application at all. If it were, I would certainly look at ball screws or SuperNuts.

Thanks, Jeff

Follow Ups

Subject: Re: Re: leadscrews

Comments:: : anyone out there know a simple formula for calculating the torque input to a leadscrew's nut to get a given resultant force axial to the leadscrew? : : In this system the nut is turned to move the leadscrew. : : diameter, force output, and pitch are known. The thread is a 60 degree flank iso std thread. If there is a calculation with and without friction consideration please post it too. : Hi Randy, : I can not use a ball screw as this is a small instrument device I am working on, and the forces are low. I just want to be sure about my calculations before proceeding. It is not a machine tool application at all. If it were, I would certainly look at ball screws or SuperNuts. : Thanks, Jeff

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