Quote:
Originally Posted by 350TSS
..... then parted it off at 2.5 mm forming a 5.5mm top hat section. I say parted it off what I actually did was mark it with the parting off tool and left the lathe running with a hacksaw settled in the mark and cut them off that way.
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I would very strongly council you against such practices.
A lathe is very unforgiving if something goes wrong and your hand held tool were to jam in the workpiece, or you should slip while applying pressure and fall towards the lathe.
I have seen the results of similar accidents and it ain't pretty.
Furthermore, working on your own there is nobody around to come to the rescue and switch off the machine.
Much more sensible to bite the bullet and laboriously hacksaw your way through the bar by hand, then turn around and skim the back face.
Parting off never gives a good flat face anyway so a skim on the back is always a good idea.