On Tue, 03 Apr 2012 12:37:45 -0500, Jon Elson wrote: > EBo wrote: >> >> Have you tried any ridged tapping in aluminum? Might break a few >> taps, >> but it would be worth testing out and demonstrating. >> >> > An easy check before risking any tooling is to do the operation in > air. > Possibly illuminate the tap with a flashlight to eliminate perceived > strobe > effects from fluorescent lights. You could even put a screw of the > right thread in the spindle. If the thread appears to be motionless > during the spindle synch part, then the Z movement is matching the > thread pitch pretty well. I did this a few times before risking an > expensive tap to be sure the thing was really working correctly.
agreed. Before I would run any taps I would run it in air, etc., but I would try a new cheap tap after the initial tests looks good. If I can tap 5 to 10 holes in a piece of scrap without breaking it using a cheap tap, then I would feel OK risking the expensive ones. That's my 2c EBo -- ------------------------------------------------------------------------------ Better than sec? Nothing is better than sec when it comes to monitoring Big Data applications. Try Boundary one-second resolution app monitoring today. Free. http://p.sf.net/sfu/Boundary-dev2dev _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
