Re: [CAD_CAM_EDM_DRO] Re: rolled ball screws

At 04:04 PM 1/27/03 -0000, you wrote:

>The bottom-er line is that if you have a non-compliant spacer between
>two nuts on a rolled ballscrew, you will then USE the yield value of
>the bearings and races themselves to accomodate the inherent lead
>innaccuracies.

Too harsh. There's always a certain amount of elastic distortion in any
material.

>What CAN work with rolled thread, is to slightly oversize the balls.

This amounts to exactly the same thing. In either cae you're relying on
elasticity.
But putting a spacer into the system is easier than asm,g oversize balls.


Regards, Hoyt McKagen


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