Linear Rod Straightening Blocks 10mm 12mm

thingiverse

I used these with a 4-foot piece of 2x2x1/4-inch steel angle iron to straighten the inexpensive Chinese linear rails that I purchased for my Hypercube Evolution. Jig everything up as shown in the picture with a dial indicator and gently pry the rods to straighten them. It will take about half an hour per rod, so have some patience. Bearings will be a tight press fit. Use a couple of wooden blocks and a vice to install. 608z for 8mm 6200zz for 10mm 6001z for 12mm I was able to get my rods to .001-inch with these by SLOWLY working them. Use a small prybar or large flat-blade screwdriver wrapped with masking tape to protect the shaft. The 8mm version should also work for lead screws, but it's still untested. Let me know if it works. Also, make sure your printer prints accurately to scale. If not, you may need to adjust scaling in your slicer.