Re: [CAD_CAM_EDM_DRO] Re: ball screw preferences

On Mon, 12 Mar 2007 05:22:13 -0000, you wrote:

>The .002-.005 of a ballscrew withOUT an anti-backlash compensated
>nut is something that many folks can comment upon. It is VERY normal.
>And that IS sloppy for many CNC machine uses.
>
>So you either add oversize balls--to retain the use of a single nut;
>OR you use multiple nuts in tandem. Both of these ARE well-proven
>anti-backlash solutions; and each will attain MUCH better than .002-
>.005 backlas AT THE NUT. (End mount slop is another source of
>backlash that the original poster didn't comment upon...)

Or you buy antibacklash nuts - cheaper than 2 nuts.

http://www.marchantdice.com/linear/backlash.pdf

BTW - over 300 lines of excessive quote removed !

Steve Blackmore
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