Is the tool properly shaped for brass? Brass needs 0 top rake; if there's any top rake the tool will try to pull into the work.
Roy
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--- In 7x12minilathe@..., William McBride wrote:
thanks John,Roy,Michael, The tool is on center I use a quick change tool post I am cutting 1" brass it is now chattering on all cuts not only tapers even if I take off say .005 on a side as for rpm I don't know I have no spindle tach. I tried speeding up the spindle got worse.
Bill
