Surfacing styro
Sep 21, 2011· Yes you can run nearly full depth 1/2 dia step over @ 10k rpm 150ipm on a 3 flute 3/4" ball mill. Leave 1/4" or so for finish, I worked from deepest part on outside into the shallower center. ... I'm concerned about the static electricity making the mess stick to everything, but I suppose it would bleed off if left for a few hours after the ...