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Re: leadscrews

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Posted By<" ">Randy Kimball on September 05, 2002 at 20:35:02:

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

Since no one has responded...

Have you or can you use, a ball screw? All this
becomes a bit moot and there are many inexpensive
ball screw/nut configurations out there now???

Even the cheap ones are pretty darned accurate if
you aren't building / re-building a machine tool where
accuracy needs to be closser than .005 inch. (Even then
you won't get there unless you can rotate the screw
to the close loop report of a quality encoder.)

For high load movement with the least required torque go to
a ball screw. AND the manufactur can furnish all the torque
requirement data you can stand.

... -randy-

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Subject: Re: Re: leadscrews

Comments:: Since no one has responded... : Have you or can you use, a ball screw? All this : becomes a bit moot and there are many inexpensive : ball screw/nut configurations out there now??? : Even the cheap ones are pretty darned accurate if : you aren't building / re-building a machine tool where : accuracy needs to be closser than .005 inch. (Even then : you won't get there unless you can rotate the screw : to the close loop report of a quality encoder.) : For high load movement with the least required torque go to : a ball screw. AND the manufactur can furnish all the torque : requirement data you can stand. : ... -randy-

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