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Help please (pipe threading)

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Noitoen:
I wonder if someone can help me. Some time ago I saw (can't remember where) a guy that had a sort of cnc to open pipe threads. It used a small angle grinder mounted on a X/Y fixture next to an hand cranked chuck that automatically advanced the pitch to cut the thread with a milling disc.

I've tried everywhere to find it again without any luck.


Helder Ferreira

shipto:
possibly something to do with e-leadscrew maybe? http://www.autoartisans.com/ELS/ theres a yahoo group/s dedicated to the various uses too.

Noitoen:
Maybe this was the controller used. I remember it was a small table top portable unit that was hand cranked with only the X/Y axis moving the grinder with the cutting blade.

Lew_Merrick_PE:
An American pipe thread has a full-taper of 3.5798°.  The gauge diameter and depth varies with each size of pipe thread.  There are tapered reamers for finishing a pilot hole to diameter and taper.  ???

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