Hi Guys. I had initially planned on using two screws to drive the X part on my CNC build. I am wondering if this is necessary though. My rails may be 40" long and hopefully yeild about a 32" travel of cut on the x. The y axis might yeild a 20" cut. It will be a traveling gantry type. I am using 5/8" acme rod. I'm using 7/8" hex stainless for these rails. 270 oz. steppers. Using some iteration of six skate bearing trucks on the hex. Three bearings on front and rear of each truck.
Pros and cons?
Thanks guys.