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CNC fire hazzard.
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Topic: CNC fire hazzard. (Read 3913 times)
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Tweakie.CNC
9,116
Super Kitty
CNC fire hazzard.
«
on:
July 06, 2009, 09:15:21 AM »
Just look and see what happened when this Z axis failed and plunged the plastic bodied spindle into the work and stalled the spindle.
Perhaps the lesson is to make sure the correctly rated fuse or circuit trip is always used for the spindle when machines are left operating unattended.
http://www.flickr.com/photos/29506322@N08/sets/72157620853267251/
Tweakie.
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PEACE
Dan13
1,208
Re: CNC fire hazzard.
«
Reply #1 on:
July 06, 2009, 09:59:51 AM »
Hi Tweakie,
It's said looking at these pictures...
Your machine has been seriously damaged and the spindle is scrapped
Was it a Mach fault?
Hope you get it fixed soon...
Daniel
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Tweakie.CNC
9,116
Super Kitty
Re: CNC fire hazzard.
«
Reply #2 on:
July 07, 2009, 01:38:41 AM »
Hi Daniel,
It wasn't my machine, fortunately.
It appears that it was a mechanical fault when the leadscrew nut broke free from it's mounting and allowed the Z axis to drop.
Tweakie.
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PEACE
BluePinnacle
307
Re: CNC fire hazzard.
«
Reply #3 on:
August 29, 2009, 02:17:54 PM »
Oh, misery
I've got my bases covered, my mill came with an overload cutout on the spindle contactor. Triggering this estops the whole thing and it slams to a stop with no power to spindle or drives. Shame this one didn't have such an arrangement.
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Chaoticone
5,624
Precision Chaos
Re: CNC fire hazzard.
«
Reply #4 on:
August 29, 2009, 02:28:01 PM »
Brett
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If you could see the things I have in my head, you would be laughing too.
My guard dog is not what you need to worry about!
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