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lock the spindle


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Hello, we have a Haas ST-30L. We are attempting to broach an internal keyway. We don't have live tooling and M19 is not available. Is there anyway to cut a keyway without M19? Is there a way we can lock the spindle to cut the internal keyway? Thank you,


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Haas lathes without a C-axis/live tooling don't have a spindle brake M14/M15.

M19 can still be used to orient the spindle and broach a single keyway on a Haas lathe. The M19 option just refers to being able to orient with a P or R address. 

If you have a newer NGC control and relatively updated software you can use G156. 


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