Is it possible to thread mill a 2-1/2 npt with a single point carbide thread mill. I have a Fadal cnc and would love to get the g-codes for this program. I am familair with threadmilling but have not been able to figure tis one out can someone help?
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11-29-2006, 12:38 AM #1
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2-1/2 - 8 NPT Thread Mill Program
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11-29-2006, 05:37 PM #2
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What you need to do is increase the J value by the result of the following formula. Pitch x angle of taper. For example your pitch is .125
.125 x Tan of 1.7833 will equal the amount the J value needs to increase if you are milling an ID thread and starting at the bottom and working up.
Hope this makes some sense.
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11-30-2006, 11:56 AM #3
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I do not think you can program a single flute tool to mill tapered threads. You will have to buy a tapered thread mill and program using helical interpolation.
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