I don't mean to be contrary or make anyone angry but a good machinist knows when to use either HSS or carbide.
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On Wed, Jul 29, 2020 at 10:40 AM Herb Kephart <
ebtm3@...> wrote:
If you only have one lathe, set the lowest speed so that a piece about 6" in diameter will run at about 40?
surface feet a minute. This is the maximum speed for cast iron. let the maximum speed for the machine be whatever it turns out to be.
Forget about carbide--learn to sharpen high speed steel toolbits. You will be much better off financially and more of a machinist
Herb Kephart
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