Originally Posted by cnczoner  I was just looking thru an exploded diagram of my mill and you're right -- there is a "thrust bearing" but seems like just a sleeve. |
Adding a thrust bearing will get rid of most of your backlash for about $20 plus a little creative engineering. McMaster has them for about $8 ea in stainless, don't forget a shaft clamp to tighten it up....
Or you can spend $500 on ball screws.
Chris.