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2nd September 2019, 05:50 PM #1Most Valued Member
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Cutting a 2mm pitch 3/8 acme thread
So I'm up to cutting the thread on the replacement compound feed screw.
Putting the gearbox in 2mm pitch mode works for a normal triangular thread, but looks way too small for the acme thread.
Should I be using a different pitch or feed rate for acme thread? The gearbox mentions 50 or 20 stud gear. Which one is that?
I haven't done a lot of threading to date. I'm also going to put a forward and reverse switch on the lathe as I don't have a threading dial.
Any pro tips?
Martin
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