How big of a CNC stepper motor would I need to move a 300Lb 52"x 9' moving table on rack and pinion track? Possible? Answered
Working on a custom CNC machine and I want my table to move instead of the gantry. My best case scenario would be having the table move 300 pounds and my worst case scenario, although acceptable, would be 120 pounds. I would assume the need to allow for the weight of the table itself, another 50 pounds. I'm sure that I could get the table to move but have concerns with: when the table is out eight feet from the router at a compete stop, pulling it back with that kind of weight is going to cause problems. I would like the table to use rack and pinion track and gears as well. I have an additional question as well: Obviously I'm going to need a sizable motor to move what I'm proposing but I would not need something so big to deal with the other two axes, is it okay to mix different size motors run from the same control panel? I would think yes, but want to be sure that I don't need to add anything special to help. I'm open to and appreciative of any and all suggestions and help. Thank you in advance for your assistance.