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- Jul 2, 2014
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I am installing an old Servo 150 power feed on my Millrite mill. I have already rebuilt the power feed, made the needed adapters and lead screw extension, and I know how to set the power feed up and shim it to work correctly. I still need to paint the power feed, cut another woodruff keyseat in the lead screw extension for the ball handle, make a step key to fit in the original keyseat location for the bevel gear to fit on, and finally trim the lead screw extension to final length and put a cross pin through the threaded joint. I am using a Bridgeport bevel gear and dial because it fits and was cheap, and also so I can keep all the original unmodified parts so it can be put back like it was originally.
My question is how the bevel gear is retained against thrust toward the ball handle when installed on a Bridgeport mill. Is the ball handle the only thing retaining the bevel gear? Something needs to hold the bevel gear against the shims at the power feed. I guess using the handle works, and it will probably need to work for this installation, but it just doesn't seem like an elegant design if that was intended. Thanks.
My question is how the bevel gear is retained against thrust toward the ball handle when installed on a Bridgeport mill. Is the ball handle the only thing retaining the bevel gear? Something needs to hold the bevel gear against the shims at the power feed. I guess using the handle works, and it will probably need to work for this installation, but it just doesn't seem like an elegant design if that was intended. Thanks.
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