"Lloyd E. Sponenburgh" lloydspinsidemindspring.com wrote in message
. 3.70...
Ignoramus18915 fired this volley in
:

blued chips are likely too hot, etc


NOT! SMOKIN' blue chips are "the right feed rate" for steel.

Red chips are not... G

Unless you're doing high-speed machining in hardened steel. I looks like a
grinding operation from hell, with red-hot chips hitting the machine covers
like machine gun fire.

It's performed dry, BTW, usually with cubic boron nitride inserts.

--
Ed Huntress