Quote Originally Posted by peteeng View Post
Hi all you brains out there - I'm designing a 3mx1.5m rack and pinion router with helical rack and pinion drives. Any one done R&P before and have any words of wisdom? I'm nailing down the final drive details at the moment. First time through the movie is always interesting. I'm going to try and use as many "optimised" and organic designs as possible. Peter
I've used the 5:1 reduction from AliExpress with there helical rack quite a few times, I think it's great for a router application and have no problem setting it up to step at 0.01-0.02mm no problem with minimal anti backlash and zero with software intervention.

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