TUBE TO FIND CENTER

TUBE TO FIND CENTER

When boring blocks, in addition to a cardboard chip deflector and a vacuum cleaner running under it, I still wipe the bar down with a microfiber as it retracts. Just one more way to keep chips out of the column seal. Ron Flood Cedar Machine North Branch,...
CHUCK RUN-OUT

CHUCK RUN-OUT

A small reduction of run-out on lathe or crankshaft grinder chucks, with bolt on top jaws, can often be achieved by an even torque of the socket head cap screws that attach the top jaws. I’ve included the proper torque, by cap screw size, for the more common American...