I have a question about depth of cut for roughing 304 SS.
I'm making a handful of muzzle brakes, starting with a 1" bar of 304 stainless, turning them down to .850"-.750" depending on the application. I've made a couple brakes so far with good results, and getting a nice finish, but I'm wondering if I can push it a bit harder for roughing without burning up the tool bit.I'm using one of those 1/2" shank tools with the TT style carbide inserts, on a 14x39 Grizzly lathe. Turning at 400 rpm, feeding .010"/rev, at .010" depth of cut, with a final pass at .005"/rev at .005-.010" DOC.
This lathe doesn't have any other feed rates (except thread pitches), but how much heavier can I go on depth of cut before it burns up my carbide inserts? I'm using a C5 insert coated with something gold colored (don't remember what).
I'm making a handful of muzzle brakes, starting with a 1" bar of 304 stainless, turning them down to .850"-.750" depending on the application. I've made a couple brakes so far with good results, and getting a nice finish, but I'm wondering if I can push it a bit harder for roughing without burning up the tool bit.I'm using one of those 1/2" shank tools with the TT style carbide inserts, on a 14x39 Grizzly lathe. Turning at 400 rpm, feeding .010"/rev, at .010" depth of cut, with a final pass at .005"/rev at .005-.010" DOC.
This lathe doesn't have any other feed rates (except thread pitches), but how much heavier can I go on depth of cut before it burns up my carbide inserts? I'm using a C5 insert coated with something gold colored (don't remember what).
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