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Messages - mcmotors

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Brains Development / axis homing with encoder
« on: September 01, 2013, 11:15:51 PM »
Hello, I'm new to the board, but not Mach3.  I owned a couple of Mach3 powered mills that I sold about 3 years ago, and am building another now for personal use. 

I know someone had a board that would use the Z axis encoder pulse to home the axis, I've looked, and as far as I know, they don't sell it anymore.  I had a couple of Mach3 powered CNC Bridgeport mills, and other than the normal floppy BP frames, I could hold .0005 which was required some times.  My only complaint was the limit switches that I used for homing the axis, they would only repeat +/-.002" at best. 

Mach3 seems to have made leaps and bounds since then, seems like the imagination limits possibilities at this point.  Being familiar with PLC's, I don't see how BRAINS can't be used to make an encoder driven "axis home". 

I was wondering if anyone has a direction to point me in before I try trial and error.

Thanks
MC

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