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Author Topic: X, Y, Z Getting mixed or different coordinates than given.  (Read 5694 times)

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Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #10 on: December 12, 2013, 01:56:11 PM »
Also getting error when trying to run driver test. "No driver sensed installed"

Offline Hood

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Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #11 on: December 12, 2013, 01:59:23 PM »
The driver test is for looking at the pulse from the parallel port driver. You are using the SmoothStepper so you do not use the parallel port and thus you do not have the driver installed as it is not required.
Hood
Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #12 on: December 12, 2013, 02:00:37 PM »
Gotcha,

What else could cause coordinates to be off?

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Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #13 on: December 12, 2013, 02:03:33 PM »
If the axis is binding then the motor will not be able to move the axis to the commanded position as it stalls. With a servo system you would get a fault but as you are using steppers the first you will know is the axis not being where Mach thinks it is.
Hood
Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #14 on: December 12, 2013, 02:35:17 PM »
Hood -

When I manually jog Z down to my piece everything is fine. When I tell the program to cut past my piece it does not fully jog to the set coordinates.

We programmed a cut at 17.75MM, but when actually measured it is only 16MM deep, re zeroed and the pieces are still not fully cut through.
Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #15 on: December 12, 2013, 03:10:32 PM »
We did a test for the z axis. Did a couple test patterns at 14 mm, 15 mm, 16 mm, 17  and 18. Everything was good except for 17 and 18. They both stayed at 16mm. Even though our program is correct.

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Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #16 on: December 12, 2013, 04:37:11 PM »
Do the DROs in Mach show it going to 17 and 18?
If yes then it is likely your axis is binding and not allowing the motor to move the axis further. remove the motor and manually move the axis and see if there is binding.
Hood
Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #17 on: December 12, 2013, 04:52:33 PM »
The motor doesn't bind when I manually control it with the pendant past 16mm.
Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #18 on: December 12, 2013, 04:53:08 PM »
Yes, Mach shows it going to 17 and 18.

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Re: X, Y, Z Getting mixed or different coordinates than given.
« Reply #19 on: December 12, 2013, 04:56:45 PM »
Open the smoothstepper monitoring page and have a look there whilst commanding the axis, does it show it still moving or does it show some error or?

Hood