Re: ball screw preferences

In CCED, "lcdpublishing" <lcdpublishing@...> wrote:

>Your experience is pretty typical of good quality, ground ball
>screws and nuts.

Yes, exactly what I wrote.

>I suspect that kid (Balendo or Ken or Brand or whatever his name
>is) is used to working with cheap, rolled ball screws that are for
>utility purposes and not designed for precise motion control.

I have worked with low and high grades of ballscrews over the years;
this group tends to focus on low-cost and beginner items.

>For example, the cheap ball screws that are sold by some companies
>(the 5/8" diameter units) are very crude, rolled screws and they
>come out of the box with .003" backlash. Of the precision grade
>screws that are ground, I have not seen any that had more
>than .001" of backlash, new or used (with care).

Yes.

Ballendo (kid at heart, not in age :(