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ETCH CNC
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Chris finished rigid tapping and checked it into the TRUNK. Then we tried it a few times on the mazak. The first thread came out terrible—but that turned out to be because the Z axis scaling was wrong. After that was corrected, the next thread came out fine. After that, we stepped up to doing it metal (aluminum), and that also gave a snug fit. The mazak spindle worked nicely for this, turning around from +300RPM to -300RPM in about one turn. Any reversible spindle with encoder and index pulse should be able to do rigid tapping.

Tapping in plexiglass 3/8-16 bolt in plexi tapped by emc 3/8-16 hole tapped by emc (earlier attempt with incorrect "Z" scale on right) Tap drilling in Aluminum Tapping in Al Snug fit with 3/8-16 bolt



AXIS website Copyright © 2004, 2005, 2006, 2007, 2008 Jeff Epler
AXIS software Copyright © 2004, 2005, 2006, 2007, 2008 Jeff Epler and Chris Radek
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