Quote:
Originally Posted by Levansic
I used Trim (C275) extensively and really liked it for cutting just about everything, but I can't say that I liked tapping anything using CNC machines. Rigid or soft, explicit tap cycle or directly coded; tapping is a very special challenge for NC. You really need a properly set automatic tapping head. Otherwise, you will collect a lot of broken taps, and more damaged workpieces.
For prototype work, it is much better to NC the pilot holes, and tap the threads by hand. Production is different, it takes a much larger investment of time and capital.
-- Len
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I don't have any problems (on a Haas with rigid tapping) with cycles or directly written programs, cut taps or roll taps. As long as its properly cooled, programmed, and you're not trying to go too deep at once, it comes out fine.