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F. George McDuffee F. George McDuffee is offline
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Default Collet blocks , cup wheels , and end mills ...

On Fri, 4 Apr 2014 16:49:22 -0500, "Terry Coombs"
wrote:



Ok , so I've got a few cough cough end mills with chipped or dull ends .
And I have this idea to use a collet block and a tapered wedge in the vise
to touch them up on the mill . Actually it'll take 2 wedges ... anyone ever
seen sch a set-up ? Suggestions for an easier way ? short of buying a
surface or tool grinder , please

=================
for some ideas see
http://www.grizzly.com/products/End-...-Fixture/G9887
http://www.chaski.org/homemachinist/...t=15&mobile=on

http://www.use-enco.com/CGI/INSRIT?P...PMAKA=287-6520
http://www.use-enco.com/CGI/INSRIT
(with a sine bar and right angle plate)
also
https://pico-systems.com/sharpen.html


also make an adapter to mount an air or electric die grinder
to your mill, possibly using the quill if you have a good
spindle brake.
http://www.walmart.com/search/search...er+rotary+tool
(Nose cap has a strange thread)
http://www.harborfreight.com/4-piece...its-69664.html
http://www.harborfreight.com/4-piece...set-69658.html

FWIW -- Although use of diamond on steel is discouraged, I
find diamond grinding pins work well on carbide and cobalt
HSS for touchup.

I also find this combo works very well for grinding chip
breakers and hook in lathe and shaper tools. For slots see
http://www.harborfreight.com/5-piece...scs-69657.html


--
Unka' George

"Gold is the money of kings,
silver is the money of gentlemen,
barter is the money of peasants,
but debt is the money of slaves"

-Norm Franz, "Money and Wealth in the New Millenium"