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Re: [TCML] Primary Support Materials
I've had little luck gluing UHMW or HDPE, even with various types and
grades of epoxy. I've been able to tap both, and drill both with no
problem. I've used both brass and nylon screws which all hold well, as
long as you don't over tighten, as you can imagine. Machining - as in
turning on a lathe, has been more difficult. I've yet to find the
tool/speed combination that gives me a clean cut.
I do not have that problem with PVC, which I can glue and machine on my
lathe to my heart's content. Moderately slow speed any nearly any lathe
tool I want to use works well with PVC. I have also had success
Both PVC and polycarbonate respond well to glues. Though, polycarbonate
wants to be glued with acrylic cement, which bonds it so completely
there is no longer two disparate pieces of material. I have not had as
much luck with epoxy and polycarbonate, though the last time I tried I
think I got the mixture between components screwed up, so the epoxy
didn't harden correctly on the polycarbonate.
PVC glues well with epoxy. I've used 5 minute epoxy to glue PVC caps
into all my secondaries.
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