I made the mistake of leaving the box wrench on the drawbar and turning the will on. Scared the hell out of me. Took me a while to get the drawbar loose and a nice dent in the motor. Now I look twice before I turn on the mill after a tool change.
In High School machine shop we all had our own 13 inch South Bend lathe with the push button controls for on, off, and reverse. The kid assigned to the lathe behind me accidentally hit the reverse button instead of the stop button. The lathe reversed so quickly the chuck unthreaded and came of and crashed onto the ways. The same kid spent all period cross threading a face plate onto the spindle. I spent the rest of the year looking over my shoulder to see what he was up to.
Roger L
In High School machine shop we all had our own 13 inch South Bend lathe with the push button controls for on, off, and reverse. The kid assigned to the lathe behind me accidentally hit the reverse button instead of the stop button. The lathe reversed so quickly the chuck unthreaded and came of and crashed onto the ways. The same kid spent all period cross threading a face plate onto the spindle. I spent the rest of the year looking over my shoulder to see what he was up to.
Roger L