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TIG pedal build

General welding questions that dont fit in TIG, MIG, Stick, or Certification etc.

Re: TIG pedal build

Postby MosquitoMoto » Thu Nov 24, 2016 2:21 am

Kemppi, yeah?

Quality machines, and popular here in Australia, too, although I have heard that some (maybe all?) models use non-standard sockets/attachment points for torches, earth and pedal.

I imagine that there are many good years in that one yet. And I like your dust cover!



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Re: TIG pedal build

Postby DennisCA » Thu Nov 24, 2016 6:49 am

Yeah it's a kemppi, they do seem to use their own versions, but up here in Finland and the nordics I don't really know if they got a standard at all, everyone seems to run their own connections. My machine uses amphenol ms3106a connectors, 4 and 10 pin outlets. I think modern kemppis use 7 pin amphenols and route everything through that one socket.

Dust cover broke unfortunately, the material was very brittle after heat forming. I should get some real polycarbonate some day.
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Re: TIG pedal build

Postby FoxZulu » Thu Nov 24, 2016 8:31 am

Fantastic job. Did you make the pcb yourself?
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Re: TIG pedal build

Postby rick9345 » Thu Nov 24, 2016 12:56 pm

Talent.
Pixies and smoke scare me away from attempting someything like that.
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Re: TIG pedal build

Postby DennisCA » Thu Nov 24, 2016 1:55 pm

FoxZulu wrote:Fantastic job. Did you make the pcb yourself?


Thanks, yeah it sounds hard but I had a lot of help from electronics forums and google and also the local electronics store. The most difficult part was learning the cad program, I have some experience with sketchup and other graphics programs so that helped a bit.

With a pre-sensitised board all I had to do was to print the design on some OH film, peel of the protective layer and sandwich it together firmly and place it under a light source that emits UV (used a CFL lamp), then develop (immerse) it in a lye solution afterwards, then it's ready for etching. Which was just mixing some power and water together and letting it soak.
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Re: TIG pedal build

Postby RamboBaby » Thu Nov 24, 2016 5:05 pm

MosquitoMoto wrote:while welding I am forever moving that pedal around, generally with a haphazard push of the foot, as I reposition myself to tackle another part of the project I'm on.


I used to fight with my pedal all the time and got really tired of that shit. Now I position it before I start welding and when it moves, oh well. I'll use it sideways under my foor and squeeze it with my heal or if it gets really awkward then I'll just kick it over to the other foot and keep going. I'm slightly abusive with my pedal so I'm not sure those knobs would work for me either.
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Re: TIG pedal build

Postby rahtreelimbs » Thu Nov 24, 2016 6:11 pm

I never saw a pedal that had a circuit board........why does yours need one?
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Re: TIG pedal build

Postby RamboBaby » Thu Nov 24, 2016 6:12 pm

rahtreelimbs wrote:I never saw a pedal that had a circuit board........why does yours need one?

He already explained that.
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Re: TIG pedal build

Postby rahtreelimbs » Thu Nov 24, 2016 8:11 pm

RamboBaby wrote:
rahtreelimbs wrote:I never saw a pedal that had a circuit board........why does yours need one?

He already explained that.



Ok...thanx.
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Re: TIG pedal build

Postby AndersK » Fri Nov 25, 2016 11:51 am

rahtreelimbs wrote:I never saw a pedal that had a circuit board........


Check a new ESAB pedal then.....
It "talks" with the machine thru a CAN-bus. Like, hey the bloke that stomps on me wants 100 A, wait now give me 105 A. Crap he cant decide, gimme 103 A now.... ;) :mrgreen:

Kills the aftermarket brands and makes it very difficult to copy unless you have skills in both electronics, programming and have access to their can protocol.
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