Minimum wall thickness for machining a Delrin bushing?
Minimum wall thickness for machining a Delrin bushing?
(OP)
I want to machine a Delrin bushing for a 0.44" diameter shaft. My current design has a hole of 0.45" diameter and a wall thickness of 1/8 inch. Can Delrin handle this machining? Thank you.
RE: Minimum wall thickness for machining a Delrin bushing?
Mike Halloran
Stratford, CT, USA
RE: Minimum wall thickness for machining a Delrin bushing?
If so, I'd expect the bushing bore will be 3 or 4 lobed when it is removed from he chuck.
A collet would be better.
I'd start with a longer piece of solid stock, bore the ID ( blind hole) and turn the OD, then "part" the finished bushing off the stock.
RE: Minimum wall thickness for machining a Delrin bushing?
https://media.mcam.com/fileadmin/quadrant/document...
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Mitsubishi Chemical Advanced Materials
www.mcam.com
RE: Minimum wall thickness for machining a Delrin bushing?
Why not pre-bore the bushing with plenty of wall thickness. Then, press it into its housing and do the final boring, with the material under compression and well supported.