Hi all,
I'm having some trouble with my CNC going a little haywire when it is cutting.
I'm cutting various shapes of different sizes out of 4mm plywood using a 2mm dia. 2 tooth endmill and stepping down 1mm on each pass.
On some shapes, i get no backlash at all and the parts are perfect. When I return to the Z axis to the home position after cutting some shapes i get anywhere between 0.5mm and 20mm offset from the home position on one or more axes.
As you can imagine this is very frustrating, as I have to keep a close eye on the cutting, and stop and reset the machine constantly.
Does anyone have the same problem, or have a solution to this problem?
My machine is a Zen Toolworks 12" x 12" chassis (M8 x1.25 lead screw with anti-backlash nut), run by a Probotix 3-axis kit (with Vexta PK266-02A steppers), and running from Mach3.
I have my probostep drivers set to full step mode which gives me the maximum amount of torque.
Thanks.
CM
I'm having some trouble with my CNC going a little haywire when it is cutting.
I'm cutting various shapes of different sizes out of 4mm plywood using a 2mm dia. 2 tooth endmill and stepping down 1mm on each pass.
On some shapes, i get no backlash at all and the parts are perfect. When I return to the Z axis to the home position after cutting some shapes i get anywhere between 0.5mm and 20mm offset from the home position on one or more axes.
As you can imagine this is very frustrating, as I have to keep a close eye on the cutting, and stop and reset the machine constantly.
Does anyone have the same problem, or have a solution to this problem?
My machine is a Zen Toolworks 12" x 12" chassis (M8 x1.25 lead screw with anti-backlash nut), run by a Probotix 3-axis kit (with Vexta PK266-02A steppers), and running from Mach3.
I have my probostep drivers set to full step mode which gives me the maximum amount of torque.
Thanks.
CM