Fresh laser cutter bed damage

FabLab
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Lots of theories about how this got here but nothing we’ve been able to duplicate, anyone have ideas?

General guidance:

  • make sure “rotary enable” is set to OFF when you start - if it’s not, turn the laser on, set rotary to OFF with the laser on so it takes
  • If you hear a loud bad grinding noise hit the big STOP button quickly

IMG_9362
IMG_93621920×1440 350 KB

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I’ll add that if it crashes, don’t just turn it back on because the first thing it does is try to home and in doing so it drags the head across or through the bed. AMHIK

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When I was there the other day the bed came up twice while someone was using it, but he thought he had figured out what was wrong. Came in yesterday to a sign that the print head was digging in and this damage. I poke around and found that “enable z axis” was set to on. Turned that off and didn’t have any more issues.

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