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General Mach Discussion / 4 axis breakout board - Spindle or 4th Axis???
« on: January 02, 2010, 05:12:30 PM »
I have picked up this little breakout board. http://www.dmm-tech.com/Break-outBoard.html
I want to be able to control the spindle RPM with one of the axis but at some point I may want to add a rotary 4th axis to the machine. Should I try and find a 5 axis breakout board or can I simply set up two mill profiles, one with the X axis controlled normally and another with the x axis data directed to the 4th axis (since I would probably not used the X axis and 4th axis at the same time)? I guess another possibilty would be to control the spindle VFD through a seperate control of some kind.
Any thoughts?
I want to be able to control the spindle RPM with one of the axis but at some point I may want to add a rotary 4th axis to the machine. Should I try and find a 5 axis breakout board or can I simply set up two mill profiles, one with the X axis controlled normally and another with the x axis data directed to the 4th axis (since I would probably not used the X axis and 4th axis at the same time)? I guess another possibilty would be to control the spindle VFD through a seperate control of some kind.
Any thoughts?