I was not thinking to much about the corner. If machining with for
example 50% tool engagement then end is reached machining at 90 degrees
into material and tool engagement increase to 100% before next pass. An
alternative would for example be to machine into material with an angle.
For the first pass tool engagement will always be 100% so maybe start in
the middle spiraling outwards is a good choice to keep tool engagement
at the desired value is a good choice?
Den 2022-09-18 kl. 18:57, skrev dave engvall:
Hi Nicklas,
Just a WAG, offset cutter maybe .25 mm from real corner and plunge
then clean up in incrementally with a couple of passes to clean out
the wings. I think most cam programs just take light passes including
the finish pass.
How stiff the spindle is and sharpness of the cutter are still
critical. Slowing feed on final pass should also help.
Another approach might be to use a roughing cutter of the equal to the
final radius and mill out as much as you can without overcutting then
clean up with a regular end mil. Unless you have a really tight
machine your plunge cut and final pass will not be equal. Don't ask me
how I know. ;-)
This advice. is of course, worth about what you paid for it.
On 9/10/22 2:51 AM, Nicklas SB Karlsson wrote:
Then pocket milling with tool engagement less than tool diameter for
some patterns tool engagement increase to tool diameter in the
corners or ends. Anybody have anyone have any experience or knowledge
how to handle this situation?
Nicklas Krlsson
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