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Lead Screw / Rotory Motor. Why is the screw nut not moving the correct Distance above 240 RPMs

Question asked by Thomas Beattie on Sep 24, 2013
Latest reply on Sep 26, 2013 by Jared Conway

Hello. I'm building a 3D ABS Printer using 10mm Ball screws with a 4mm pitch. I need a travel speed of 60mm/s. I have the nut and screw mate set up for 1rev/4mm. When I drive the shaft using a rotary motor in basic motion everything works great up to 240 rpms at that point the nut reverses direction and the screw moves the wrong distance. to achieve 60mm/s I need the motor to go 900 rpm. Am I exceeding some limitation? The rpm limit appears to be 10000rpm from what I've read. I'm using SW 2013. I attached the file of my setup.