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Old 12-29-2012, 12:38 AM   #24 (permalink)
Join Date: Aug 2007

I've used wood when necessary in work-holding and dampening applications, but only as a last resort. For this particular job: If I didn't have a means to make soft jaws manually (I do, it's called a boring head), I would make two cups on the lathe: they would be cupped to fit the ball, flat on the other end. mill for relief as necessary and go from there... this would work fine. Look like so:

|_____\ X2

basically. I'd not bother radiusing the inside, just a clean taper with boring bar then polish it... so it doesn't mark the part. (the dashes are just to take up spaces, not hidden detail or anything)
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