On 9/7/25 14:20, Chris Albertson wrote:
Unfortunately I can't visualize a method of enlarging the hole by .01mm
increments by conventional means w/o rerunning Johns arcgen for every increment
in the diameter,
Think of how a printer prints a series of concentric circular walls, each one
with a larger radius. You do that by finding software to write the g-code for
you.
But really with the milling machine, you don’t want to use successively larger
holes. It would be best to mill in a spiral pattern and only use a constant
radius for the last pass
G2-G3 doesn't allow that spiral. And I generally write my own gcode. I
have a 90 line program that sharpens an ATBF 10 " table saw carbide
tipped blade by using a diamond wheel to cut a thou or so off the face
of the tooth, sharpest blade ever. puts serious wear on a dremel, takes
3 days to run, but it cut furniture grade hardwoods for 4 years before
it put the first burn mark on some cherry. Many times sharper than
anything sold for $65+ at Lowes. Now I can't even buy that format of
blade from Highland hdwe in Hotlanta.
Cheers Chris, Gene Heskett, CET.
--
"There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author, 1940)
If we desire respect for the law, we must first make the law respectable.
- Louis D. Brandeis
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