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"Origami" CNC Plasma Build - folding 1200 x 600mm cut area

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22 Jul 2021 11:08 #215562 by tommylight
Replied by tommylight on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
 
Notice the switch, it can not be pressed by any plate.
As you have it in the last picture, i can foresee a lot of broken switches in your near future! :)
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23 Jul 2021 01:24 #215629 by Joco
Replied by Joco on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
But to get smashed switches doesnt that mean a lot of Z axis crashes? If so how?  That would feel to be the sign of some kind of problem?

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23 Jul 2021 08:58 - 23 Jul 2021 10:52 #215654 by tommylight
Replied by tommylight on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
No problem, user error, namely while setting up the machine and it rams at full speed on the material, or sensor not wired to the input you thought it was, or jogging down while holding shift key ( PlasmaC does not react to float switch while jogging, it should ), etc.
Or after cutting some plates you find a nice design for some lights made out of square tube and forget to raise the probe height, this happened to me several times... :)
Last edit: 23 Jul 2021 10:52 by tommylight. Reason: Removed QtPlasmaC

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23 Jul 2021 09:34 #215657 by phillc54
Replied by phillc54 on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
QtPlasmaC "shouldn't" jog if breakaway, float, or ohmic are tripped.
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23 Jul 2021 10:52 #215667 by tommylight
Replied by tommylight on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area

QtPlasmaC "shouldn't" jog if breakaway, float, or ohmic are tripped.

Did not know that, PlasmaC did and i did ram the torch once testing it.
More testing ... :)

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23 Jul 2021 10:59 #215670 by phillc54
Replied by phillc54 on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
Yeah, we couldn't do it in either Axis or Gmoccapy. But you convinced us it would be a good idea for QtPlasmac.
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23 Jul 2021 20:08 - 23 Jul 2021 20:09 #215711 by BigJohnT
Replied by BigJohnT on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
The switch needs to be mounted so you can't smash it no matter what.
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JT
Last edit: 23 Jul 2021 20:09 by BigJohnT.
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23 Jul 2021 22:04 - 23 Jul 2021 22:05 #215716 by Joco
Replied by Joco on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
I’m in the process of some tweaks as I plan to move to the roller style micro switch per JTs pic and what Rod had also shown me.  Aim is to do a no smash set up per comments.   
Last edit: 23 Jul 2021 22:05 by Joco.

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24 Jul 2021 21:35 #215807 by Joco
Replied by Joco on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
After some tinkering in CAD have these ideas for float and Z limit switching.  Uses "simple" switches that are not able to be smashed and have stops that should be adjustable to fine tune the stop trigger position.
Float switch:
 

Z Limit Switch:
 

As an aside I see the forum has a new editor look. But where the heck is the post preview?  I'm probably being blind or missing the point somewhere but can not see/find it and really missing the ability to preview a post before hitting submit.

Cheers - J.
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24 Jul 2021 23:30 #215818 by tommylight
Replied by tommylight on topic "Origami" CNC Plasma Build - folding 1200 x 600mm cut area
Much better! :)
And shhhh about the editor, there are some angry members here regarding it ! :)

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