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jameshs

z axis lower end stop

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UM original

A strange one.

a) does the z axis have a lower end stop switch and

b) something strange happened 80% into a 4 hour print - I heard it 'end' earlier than I thought it should (z-stage lowering) except it kept on lowering and tried to drive itself into the bottom of the printer - I had to switch it off!

I checked the gcode and can't see why it did it - generated by S3d and so I am a bit bemused, but also surprised that there is no protection at the base (I was lucky there were some crushable things there that were being crushed :)

Has anyone had a strange z stage behaviour?

Thanks

James

 

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It's because you turned of the "Update machine definition using settings below" in the advanced settings under G-Code. You really should leave that enabled in S3D, unless you want to grind more teeth :)

 

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Hi Blizz,

Not sure I understand what it does, but it was ticked and had the UM definitions correctly in there!

Machine has printed from these settings perfectly before so I can't see what should suddenly get it to drive the zstage into the base of the printer!

James

 

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Hmm, I use S3D as well and I've only had the Z-axis problem with that option ticked off. S3D support also confirmed me that that was indeed the issue. Haven't had any behaviour like that with the option enabled.

 

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Yeah good thing. They are pretty quickly with their replies and they've always attempted to really help me, not just a template response (as they should for that amount of money!)

 

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