Thanks deputydawg.. You pretty much answered my question about G01 commands without a spindle speed. As for the .100 feed in to determine part length, what I'm actually doing is trying to create a controlled crash to trip servos if the part is too long. Parts too long are usually due to a missed operation prior to the lathes. I rather take re-homing the machine than create scrap and crashing out the machine. What I'm using is a tool blade that moves to approx 0.125 off the edge of the part (if had been faced/bored prior to lathes) and approximately 0.070 off the OD. If the blade touches part.. Part is too long. If blade doesn't touch a part, the regular machining cycle continues. Yes, its a crude but simple poka yoke to prevent the machine from running if parts are too long. And yes, I've looked at sensors and probes that would be better options, but unfortunately, I don't make decisions to capital expenditures.

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