In a message dated 12/12/2005 3:51:25 P.M. Central Standard Time,
lcdpublishing@... writes:
The drilling depth (stroke) required for PCBs is less than 1/4" which is
fine for a pivoting press as long as the
pivot point is back a bit from the tool center line.<<
Yes, but what IS the distance between the pivot-axis and the drill-axis? 30
cm? More? Anyone "in here" have a source for fine 400 Hz "capacitor-run"
or three-phase "aircraft instrument" motors that spin @ 24,000 RPM? I found
one years back at a "junk shop" that was only 12,000 RPM, but it does PCB
drilling fine. Hadda build my OWN 400 Hz source. Hassle! But no motor-brushes,
sparks, "buzz", etc. Jan Rowland
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