Subject: Re: Help machining ball holding collet
From: Robert Bastow <email@example.com>
Date: Tue, 21 Sep 1999 05:38:54 GMT
My sentiments entirely Tony..PLUS, I might add:
If the collet is less than 1/2 diameter deep..it won't hold!
If it is greater than 1/2 dia deep..How do you get the ball in? And once it is
in...like the monkey's fist..How do you get it out??
A cylindrical recess a little deeper than 1/2 diameter will hold the sphere firm
enough for any operation.
> Mark Fullerton wrote in article
> > I would like to machine a collet that will hold a steel ball bearing.
> > I am having trouble figuring out how to machine the inside of the collet
> to a
> > perfect sphere.
> Mark, why would you WANT to? You'd never get perfect contact over the
> whole spherical surface unless you matched the radii EXACTLY.