06-06-2016, 08:51 PM
(06-06-2016, 06:18 PM)TomG Wrote: You can't case harden 4140, but you can temper it to nice durable Rc46 by heating it to a light blue after heat treat (Heat to a blood red and oil quench).
Tom
Thanks for that Tom. I'll do the same with the arbor spacers.
Lathe (n); a machine tool used in the production of milling machine components.
Milling Machine (n); a machine tool used in the production of lathe components.
Milling Machine (n); a machine tool used in the production of lathe components.