Re: lead screw selection - corrosion resistant or not

Eric,

As far as I know most guys use the most cost effective ball screw.
If it happens to be stainless, all the better. My machines all are
using steel ball screws and I don't even run coolant so rust is not a
real problem. My guess is that corrosion resistant ball screws my be
used in harsh environments where exposed to acid vapors or other
corrosives such as are found in the semiconductor industry. Heck,
every shop I ever worked in was so greasy and oily rusty machines was
generally not a problem.

I recommended that ball screw and ball nut to John because it was
cheap. It will certainly out last his 300 hour application.

Best regards,

Ron Steele
http://www.stirlingsteele.com/millplans.html


--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Eric Quarnstrom"
<ericq47@m...> wrote:

> Ron,
>
> This post was very timely for me as I was just looking at these

ball screws

> a few days back. Did you suggest these because of Johns requirement

to only

> run 300 hours? I am new to ball screws but figured they were much

more

> expensive (like the corrosion resistant ones). I guess my question

comes

> down to wether or not the corrosion resistant ball screws are

normally used

> in a home cnc shop?
>
> Thanks for the time,
> Eric Q.
>
> -----Original Message-----
> From: Ron Steele [mailto:ronjsteele1@y...]
>
> Check out McMaster Carr #5966k26 and #5966k16 for an inexspensive
> 5/8" ball screw.