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General Mach Discussion / weird Z problem

« on: June 09, 2012, 07:10:17 AM »

I just finished my x2 mill ever thing works fine except the z axis.  It does a weird thing.  I have not installed the switches yet.  I run the z down til it hits the table then it will reverse and go back up as far as it can go hits the top stop reverses and does the same thing.  With no fingers on the keyboard it will just keep doing this till I hit emergency stop.  ware did I go wron.  x and y are fine and all three are set up the same way.