Hi Vicky,
Sorry about the tap,but you did learn a valuable lesson concerning cheap tools..
I have an ulterior motive for replying to you! Where did you find the design for your centre finder?
Thanks and regards Mick.
Victoria Welch <wrlabs@...> wrote:
Just to share the fun.
Got my laser edge / center finder holder all turned and bored out and
started drilling and tapping (4-40) for the set screw / power switch
holes. Went along nicely up until the final one (9th) where the tap
broke.
Nothing gets it out :-(. And of course it is one of the lower
(critical) ones :-).
I tried the 4-40 tap out of my little kit from the auto parts place and
it promply turned itself into a corkscrew :-). Broke too, but it was
soft enough not to shatter and I was able to get it out with vice
grips.
Sigh. I suppose that this isn't a real big deal since this is a "proof
of concept" thing and I can rotate the holder 45 degrees and put in a
new set.
Lessons learned: When wrists get tired from doing the tapping - take a
break rather than switch hands and cheap taps are a total waste of time
and money (now I know what a cheap tap is :-).
Only a minor setback as I now have the holder itself worked out and can
easily enough duplicate it.
Not a bad day!
Take care, Vikki.
--
Victoria Welch, WV9K/7
"Windows, another fine product from the folks who brought you edlin." --
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