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re: CBN wheels
I have a couple CBN's on my variable speed (0-2,400 RPM), reversible 3/4 hp, four wheel grinder. Love them, but always use them at around 300-500 RPM.
IF I were using them on a high speed grinder, I'd go with a finer grit, to lessen material loss, and to reduce the danger of overheating.
SIDE NOTE: M2 and other metals that play well with CBN should never be quenched. It fractures them.
IF I were using them on a high speed grinder, I'd go with a finer grit, to lessen material loss, and to reduce the danger of overheating.
SIDE NOTE: M2 and other metals that play well with CBN should never be quenched. It fractures them.
