31-Mar-10 Using a dial indicator with a large button back to center the threaded rod in the 4-Jaw chuck. As we rotate the chuck, the indicator moves off the thread top, requiring us to move the carriage. "When I was in the Navy", Bill says to me, "I would set the lead screw to match the thread pitch and just engage the half-nut. The indicator would follow the thread top all the way down the screw when I turned the chuck!"
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