Just seconding that you're going way too slow.
A couple extra tips for coolantless manual machines and carbide:
-From working on manual lathes and mills with carbide, 2500 RPM, and no coolant my arms have quite a few spots where chips landed and made nasty little burns. The scars take a long time to fade too.
-When using face mills you will want to feed fast so the chips all head in one direction and you can stand away from them. If you get inclusions or chip dragging scratches, a spraybottle with coolant will improve your finish face milling as well.
This is all in my fairly limited experience. I am sure some of the old tymers can give better tips for improvement and how to stay safe. If I know I am going to really be cranking on a face mill I either put up some kind of air to blow the chips away or mill in just one direction so I know where the chips will go. I also wear a face shield because usually the chips will be brown. |