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Author Topic: Z axis count loss after running 3d profile  (Read 2068 times)

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Z axis count loss after running 3d profile
« on: July 02, 2009, 11:12:12 AM »
I have a small router table. The 3 axis all check out fine when you put a dial indicator and run a test back and forth. But when I run a 3D file that has a lot of Z up and down movement, it seems to loose some counts. The file takes about 8 minutes to cut and the Z axis will usually be .003 to .005 inches lower than when I started. So I have to rezero the Z after every run. All motors are the same and the velocity set to 150 ipm, the acceleration to 6 and the step pulse to 2. For the Z, I have tried different velocities, down to 50 ipm and different accelerations but they don't affect the lost .003 inches after every run. Any suggestions on what to try to improve this will be greatly appreciated.

Note.. all motors are steppers with gecko drives
Dave

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Re: Z axis count loss after running 3d profile
« Reply #1 on: July 02, 2009, 05:53:53 PM »
Try step pulse to 5

     Glen