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y'all, I have my machine torn down now, and am taking measurements to figure out the details of adding the Y and X ball screws. Don't have any pictures yet, probably will next post.I have checked out Ten High for ball screws. When I removed my old ones, I found they had 2 nuts for each screw, I assume to adjust out backlash. as opposed to the ones with 1 nut and custom size preloaded balls to remove the backlash. I was able to find any ball screws on the TenHigh site with 2 nuts. After a lot of poking around I ran across AliExpress.com. They sell ball screws with machined ends and 2 nuts. Don't know id they are trustworthy, located in China. I only ordered the Y axis screw, about $60 with shipping. Will see what I get when it comes.Motor Questions:I have been searching motors/Drivers/power supplies. One question is whether I should wire my motor bipolar series or parallel.Could someone shead some light on this please? Thanks,maury