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Pocket island milling

Posted: Wed Apr 26, 2023 7:33 pm
by ALW
I just completed building a PM-30MV based CNC mill running Acorn CNC v12 and am in the learning stages. I have successfully milled round, square, lines and arc combinations objects, and even a few square and round pockets. Next on my learning path is milling a pocket (square, round, odd shape, etc.) with an island remaining in the center. This is where I am stuck and am not sure how to start.

I am using square 3"x3" hdpe stock that is 2" thick. The goal is to mill a 2"x2" pocket 1" deep with a 1"x1" round island (cylinder) remaining in the center. I am using a low cost 1/4" 3 flute endmill.

Help!!!

Any guidance will be greatly appreciated!!!


Al

Re: Pocket island milling

Posted: Thu Apr 27, 2023 10:42 am
by Nigelo
For machining a pocket leaving an Island you need to choose CLEANOUT from Canned Cycles and then insert an Island - See Mill manual from page 130

Hope this helps

Re: Pocket island milling

Posted: Thu Apr 27, 2023 11:27 pm
by ALW
Thanks!