Weird Z axis behavior?

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31 Jul 2009 02:27 #664 by bqgray
Weird Z axis behavior? was created by bqgray
Hi,

I'm a newbie here. I've got a new setup with X, Y, and Z stepper motors.

For some reason, when I'm jogging my Z axis in Axis, it will only move .020 and then will stop until I press the button again.

When I started out, the Z axis was working fine.

What did I do. How can I get normal functionality back?

Thanks,

Bill

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31 Jul 2009 11:19 #666 by BigJohnT
Replied by BigJohnT on topic Re:Weird Z axis behavior?
Does it happen going up or down or both?

John

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31 Jul 2009 15:22 #667 by bqgray
Replied by bqgray on topic Re:Weird Z axis behavior?
Both

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01 Aug 2009 11:30 #672 by BigJohnT
Replied by BigJohnT on topic Re:Weird Z axis behavior?
Sounds like your stalling the stepper with either too high acceleration or physical binding on the axis.

John

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02 Aug 2009 14:54 #674 by bqgray
Replied by bqgray on topic Re:Weird Z axis behavior?
I don't think that this is a hardware issue.

I have turned the jog rate down way down.

The software will move exactly .0200", and the movement in the physical machine are accurate to that number.

For some reason, the software has decided that it will only move the rig .0200" at a time.

What might cause this?

Thanks,

B

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02 Aug 2009 18:06 #675 by BigJohnT
Replied by BigJohnT on topic Re:Weird Z axis behavior?
Do you have it set for Continuous in the Manual Control tab?

Does it jog 0.0200" each time you press the jog button?

John

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03 Aug 2009 15:15 #676 by bqgray
Replied by bqgray on topic Re:Weird Z axis behavior?
John,

I do have it set for continuous on the manual control tab. Yes, it is moving .0200 each time I press the jog button.

I have solved this problem (it would seem) by starting from scratch and creating a new config file. Using step config, I have not been able to find any difference between the working file and the non-working file. I still need to run a diff on the working and non-working files.

Bill

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03 Aug 2009 22:23 #677 by BigJohnT
Replied by BigJohnT on topic Re:Weird Z axis behavior?
I'm glad you solved it... and I hate when you don't know what caused a problem. Let us know if you find any differences when you do your diff on the files.

John

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