Tapping Question
Tapping Question
(OP)
How do I tap a 1.5-11.5 TPI (feed .0869")on a machine that has all metric scales?
Thanks,
-mechvhs
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Mech Rulz
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RE: Tapping Question
Mike Halloran
Pembroke Pines, FL, USA
RE: Tapping Question
Or you can calculate the feed rate per revolution TPI/25.5 then make a syncronization among the cutting speed and feed according to that value.
RE: Tapping Question
(0.086957 in/thd) / (0.03937 in/mm) = 2.2087 mm/thd lead. Just use 2.2087 mm as your pitch in your tapping cycle.