Center Spot Sheetcam Post

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12 Sep 2019 07:17 #144928 by thefabricator03
I have my setting in plasmac set at 400 milliseconds.

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12 Sep 2019 07:18 #144929 by thefabricator03

Was the behaviour the same, do #1 & #3 miss #2 & #4.

It doesn't make any sense to me.

Does your relay have a light to show it is doing something? (although the pulse is probably a bit quick)


Exact same behavior. Ill check the relay.

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12 Sep 2019 07:18 #144930 by rodw
Replied by rodw on topic Center Spot Sheetcam Post
Front and back

Attachments:

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12 Sep 2019 07:21 #144931 by thefabricator03
Must be something with my plasma then. Is all you changed was the torch on time?

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12 Sep 2019 07:21 #144932 by rodw
Replied by rodw on topic Center Spot Sheetcam Post

I have my setting in plasmac set at 400 milliseconds.


What happens at 999?
The following user(s) said Thank You: thefabricator03

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12 Sep 2019 07:23 #144933 by thefabricator03
Phill,

Relay turns on when it should but Plasma not.

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12 Sep 2019 07:25 #144934 by phillc54
Replied by phillc54 on topic Center Spot Sheetcam Post
Do you have a replacement relay, i think some solid state relays only indicate that they have an input.

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12 Sep 2019 07:25 #144935 by rodw
Replied by rodw on topic Center Spot Sheetcam Post

Must be something with my plasma then. Is all you changed was the torch on time?


Yes, thats all I played with. the 45XP manual says to dimple at 50 ms so we are on the right track I think but the time delay between firing the torch and the arc starting is likely quite variable between cuts so I think the count down needs to happen after the THCAD voltage confirms we are > 0 volts. Then the plasma won't know we tricked it!.

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12 Sep 2019 07:30 #144937 by thefabricator03

I have my setting in plasmac set at 400 milliseconds.


What happens at 999?


Ok tried 999 and G4 P10, works

999 G4 P3 works but the P10 created a better mark.

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12 Sep 2019 07:30 #144938 by rodw
Replied by rodw on topic Center Spot Sheetcam Post

Do you have a replacement relay, i think some solid state relays only indicate that they have an input.


Stefan will have a few spare when a THCAD-5 turns up for him. I will say I had to rethink my Ohmic power supply sensing trigger. I moved it from the ohmic enable to spindle.0.on so it was on all the time just for fun but when we started using spindle.2.on, it was a problem! It now turns on with the machine.

And yes changing the connections.hal file was the final thing I needed to do.

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