Emco 50 Ball Screw Repair

The Z-axis ball screw on my Emco 50 CNC mini lathe was running with quite a bit of resistance. Sometimes I could still hear te stepper motors trying to get the Z-axis into position after a move should have been completed. In the video below I have documented the disassembly and repair process for the ball screw, including replacement of the bearing balls, Grease Nipple and floating bearing.

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