Originally posted by nerdling
...my friends used to call me Conan.
I've lifted copper on the lathe that lifted in such a way that a big chunk would lift up and snot the bit a couple of times before the lathe comes to a stop.
Don't think its a lathe error... its probably gotten loose on your last run. Just bad luck that it didn't get caught in the brushes instead of your lathe bit.
Just inspect the comm closely before loading the lathe to see if anything's loose... gotta do that every time. The one time that one doesn't... will be the bit-wrecker...!