03-20-2014, 03:52 PM
Thanks Dave.
What's strange to me is that the final 14º compound infeed depth to get the 22ER-5ACME threading insert to cut the crest of the thread (barely) was .132", when my Acme thread gage defined depth of a 5 pitch acme thread to be .100" + .010".
Using my limited trigonometry knowledge to calculate, I came up with infeed of .1291", not too far off.
What's strange to me is that the final 14º compound infeed depth to get the 22ER-5ACME threading insert to cut the crest of the thread (barely) was .132", when my Acme thread gage defined depth of a 5 pitch acme thread to be .100" + .010".
Using my limited trigonometry knowledge to calculate, I came up with infeed of .1291", not too far off.