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| How to machine PTFE ? |
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| NormanV:
I've made PTFE for steam fittings on a loco. I just used ordinary tools. One good thing about it is that when you assemble it if you overtighten the fitting the PTFE will flow to fit and when you slacken it off a little you will find the fit has improved. Norman |
| lordedmond:
make sure you have a good length in the chuck if its to short it will pull out good by part as other have said sharp HSS but not to much top rake or it will pull in ( dig in ) done plenty for valve seat for locos has as been mentioned do not smoke whilst machining it the reaction to the smoke causes phosgene gas to be produced ( so I am told ) Stuart |
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