Aug 28, 2017 0183 32 We converted our Axminster SIEG Super X1 micro mill to use ballscrews back in 2010 and every few months of use we have had to adjust the bearings to eliminate any backlash on the X and Y axis driv The original drive couplings fitted onto the 6mm ballscrew shafts using a friction fit with clamps to grip the shaft Over time these would move slightly,...