Compensating For Angled Cut

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06 Nov 2024 13:58 #313906 by tommylight
The marking is done using low current, Kjellberg uses 5-50A for marking, how low can yours go?
My china source can go 15A i think, not sure as i never checked, but when set to 30A on screen it does 43A measured, so i am not hopping much...

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06 Nov 2024 17:30 #313929 by RDA
Replied by RDA on topic Compensating For Angled Cut
The marking is quite simple and depends a lot on your plasma and more than that the gas you use.
If you have an older power max or 45 Sync you can do ok markings when you use argon as the gas. Any sync above 45 will have too high min current 20A and above.

This is SS but will do also a nice job on MS
Powermax argon marking

Argon being a non reactive gas is typically used for marking if you want to have nice lines.

In the Kjellberg bevel video you can see it pierces straight and the tilts the head.
The following user(s) said Thank You: tommylight

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06 Nov 2024 18:00 #313932 by tommylight
It also seems to be using less pressure... does it?
Went to the shop today to test this, but a friend dropped by so went to grab a coffee, maybe tomorrow?

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06 Nov 2024 18:01 #313933 by Aldenflorio
The 85 power Mac has a minimum output voltage of 23 or something. So I don’t think marking will work. Though I’m going to have an air scribe attachment anyways. That’s going to be another point to figure out. I know is simple, but I just haven’t done one yet.

reply to this comment “Positional compensation for tool side rotation is something that can be done using custom kinematics and there are several sim configs that use it for TCP mode in 5axis machines”

is there something I can read up on or watch to get more info for that?

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06 Nov 2024 18:09 #313935 by RDA
Replied by RDA on topic Compensating For Angled Cut
If you guys have argon, give it a try even with 20A. Probably you get a wider line but argon as a gas is very forgiving. You can leave it sitting still burning the plate and it will barely even make a dent.

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06 Nov 2024 19:19 #313939 by tommylight
I do have argon for the TIG that has not been turned on in over 4 years, probably nothing left by now... another thing to check.

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