Ohmic Circuit add-on to my Crossfire

Thanks! I don’t think I have enough posts yet, that’s not there for me. I’ll keep posting and see when it let’s me in.

Cheers.

I just sent you a private message which includes my email address. If you don’t see it let me know here and we can try something different.

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If this is something you intend to sell, why be secretive about it via PM?

I can under stand why. Its like every time I post something new on ebay someone uses it for their add.

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The pictures are already posted, there’s nothing to hide.

I should rephrase my question to say - why not make it appealing for others to purchase if the intent was to make a few batches for sale?

A simple video on the whole thing wouldn’t hurt, especially if it’s in operation.

A DIY ohmic setup is far from new, and there are lots of threads on plasmaspyder alone that cover this. Just figure with some of the technologically impaired people that stumble on this forum may buy into this idea almost instantly.

I would be interested in it for the mere fact that I value my personal time and just rely on the factory setup (works well for me). But the ohmic sensing sounds cool and it’s the main reason why I bought a Hypertherm. I intend to go STV later.

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There are still a lot of systems out there that uses the ohmic system that work very well. I think it was the first system for THC.

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Yep!

And when I saw this thread pop up I was genuinely interested like “no way, I’d want that”

it works well for IHS, but isn’t used for THC.
I use an ohmic sensor on my system and can sense very thin material.

One of my earlier posts from June 2023 has a link for the videos that I made where I describe in detail how and why my circuit works. I didn’t want one long video so I broke it up into shorter ones with a total of 14.
The videos show my prototype circuit and not the circuit and housing as it appears today. The prototype was built with spare parts that I had in my shop. The new design has a circuit board that I had made specifically for the circuit. Along with the new housing and other parts I made it so it would be pretty much plug and play.
The reason I haven’t started selling them is because although the circuit itself is ready - a universal ohmic clip for any brand of manual torch assembly was not available. Hence it will only work with a mechanized torch assembly that will accept their own ohmic clip such as the one that I have on my torch assembly (I explain why my manual torch can be fitted with an ohmic clip in one of my videos). I’ve come up with a solution for that restraint that I will build into my table first to make sure it works.
My initial intent was to Beta test a few units with some Langmuir table end users to do additional unbiased testing. However the universal ohmic clip issue put that on hold too.
In short (or long), I will not sell anything to anyone unless I am confidant that it’s going to work as described.
Now, I know that there are many individuals on this forum with different levels of expertise on the subject matter. People that have been doing this for years as well as some that are just starting out. My background is in electronic repair. That was my livelihood for over thirty seven years. The plasma table was something I got into to keep my mind busy so it wouldn’t turn to mush. So when I started having problems with that torch tip dragging across the metal during certain line cuts I came up with a solution to address the problem. That’s what this is. My solution. And from what I can see here on this forum and others there is an interest in what I came up with.
If you are new to all of this and don’t know what this is then I would suggest that you look at my videos and to also look at other videos out there (there are a few). Then ask yourself, “do I need this or something like this?” Why do you need it? I need it because without it I end up at times ruining a piece of artwork and that costs me money. If you’re not having problems with the things that you are cutting out then you don’t need this. It’s that simple. Know what you’re buying. If you’re not sure then ask . I’m happy to help when and if I can.
If you’ve been at this for a while and don’t think my solution is for you or that it doesn’t work that’s fine. I get that . Before I buy something I research the crap out of it. I want to know what I’m getting. If I don’t think it’s going to meet my needs I don’t get it.
There are a lot of unscrupulous people out there. Rest assured I’m not one of them.
I wouldn’t want someone to take advantage of me because I didn’t know something and so I wouldn’t do it to anybody.
Anyhow, here is a picture of the four circuits that I was going to use for Beta testing. I just have to design the fix so that any manual torch will work.

Also, here is a link to my videos on my YouTube page in case you haven’t seen them. There are 14. If you’re going to check them out don’t skip around. Start with number one and work your way up. If when you finish #10 it suddenly jumps to #12 you’ll have to stop and look for #11. I think that one went into a reel. Don’t fast forward as you’ll miss something and then a later video might not make sense.

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