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Re: Delrin


Richard Albers
 

--- In 7x12minilathe@..., "Ron DeBlock" <rdeblock@a...>
wrote:
<Snip>
The Delrin is wonderful material to machine, except for one
annoyance: the
chip comes off as a single, long string. It becomes a big, soft,
fuzzy mess
that gets tangled up on the work, the tooling, the live center, the
chuck,
etc. It reminds me of poodle fur. We had to stop often to clean
off the
fuzz. It's especially annoying when parting off.

Is there anyway to get the chip to break into pieces? Or is it
something we
have to live with?
We just live with it. I don't think it is possible to break such
a soft material into smaller chips. It *may* be possible to grab the
string with pliers and break it (or just hold it away from the cut),
but I do not recommend this for most HSMs - it would be too easy to
get into trouble. Like watching the chip,and forgetting to stop the
cut before the bit hits the chuck (lots of us have done that :-o).

BTW, projects like this are a good way to justify the purchase of
machine
tools - "But, dear, it's for the children!"
Sounds like that one should fly!

RA

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