Does anyone prefer euro-style handles?

[DennisCA]

Sounds great HughF, I'll PM, BIG THANKS!

 

[HughF]

This adapter came attached to a used torch I got off eBay, been rattling about in my bits box since then. It's no use to me, so glad to send it on to someone who can benefit.

 

[DennisCA]

Gas/power port dennis, converts to a standard (U.K./Europe standard, not USA standard) 3/8bsp torch fitting...

You need to educate yourself on how air cooled/ water cooled torches hook up, plenty of YouTube stuff for that. My post isn't the place to educate you on these things.

I've been doing some looking but I am still at that stage where everything confuses me. I dunno if it's just me but when I start on something new I am completely unsure and confused about everything and I can probably be a PITA asking all kinds of questions until I feel I've covered everything. Perhaps I got some form of mild OCD?

 

[HughF]

haha

 

[Richard.]

Very kind of Hugh.
That's saved you a good few quid there Dennis as those adaptors are expensive things to buy.
As Hugh said you need to do a little research on how a gas/water cooled torch works and where the lines connect to. You will still need to hook up the 7 pin plug from your old to the new torch and you'll still need to obtain a cooler as that adaptor is designed for water return too. When you get your new torch and cooler made get it all laid out with some pics and people on here will tell you where to connect things up.

 

[HughF]

Dennis, I have a 7 pin I will include, along with the 4 pin. I got a ck wp18 that came setup for a kemppi so had the adapter and plug. I didn't use it, sent the torch to Doubleboost as a viewer gift and tried to eBay the adapter.

 

[DennisCA]

Thanks alot! I opened up the 4 pin and looked inside and only two pins are hooked up, so a very simple hookup. I assume one is the control for the switch and one is the power.

From what I understand so far a water cooled torch has three hoses
1. Water in
2. Argon
3. Power and water return

So one hook up the argon as usual, water in to the cooler and water return from the power adapter and from that, to the return cooler tank?

 

[HughF]

The 2 contacts are close-to-arc...

 

[DennisCA]

OK so power is transferred differently then

 

[HughF]

Power runs up the torch line, always has, always will...

 

[DennisCA]

Well yes, but not via the two pin connectors, is what I meant (I know there are plugs with pins where a separate connection is made using some other part of the plug body). Or did I misunderstand, it sounded like you said they where use for something else. Granted I don't know the full meaning for the term close-to-arc. It sounds like a circuit you close and it initiates the HF module?

 

[Chris Stevens]

The thin wires are connected to torch switch, which switches weld current on and off, rather than a footpedal or scratch start, which are 2 other possibilities of initiating arc.

 

[DennisCA]

Oh I just realized. The 4-pin port doesn't provide power at all. I thought it was the control and power line outlet! But I started thinking, isn't it gas and power in the same outlet on other designs, why is it different on this machine... Well it isn't. Now things are untangling for me and starting to make a lot more sense. All because I've been working under an incorrect assumption.

 

[DennisCA]

It's the same thing inside. Plug, potentiometer, switch. Takes a bit of knowledge to put it all together and make it work. Kemppis often make life difficult though by requiring separate potentiometers to set min and max current. You don't want minimum to full power on the pedal, to tough to get the current you want. And the pedal overrides the current dial on the set so you can't use that to set maximum like some other units.

Returning to this... Have you made units for kemppi machines before? Would you happen to have any kind of schematics?

 

[DennisCA]

Looking at this, but it's 100psi, I can't find a suitable pump in the 40-50 range for as cheap. Can this be tweaked downwards somehow?
http://www.ebay.co.uk/itm/12V-DC-10...597202?hash=item2ec8eeed92:g:SngAAOSwU~FWEfz-

 

[Richard.]

T off on the out going and send 1 line back to the tank with a valve tap and the other line to your torch. This way you have full control over the pressure sent to the torch without restricting the pump.
Down side though you will also reduce flow rate. Might be ok

 

[Jim Davey]

Returning to this... Have you made units for kemppi machines before? Would you happen to have any kind of schematics?

Not for Kemmpis no, sorry.

 

[Chris Stevens]

Cheap poorly made pumps for Tig coolers arent that great an idea, unless you are only wanting to use very occasionally. I would guess you should almost certainly be able to get a used Pro Con pump, from someone who sells and repairs vending machines. Would guess most of these pumps get scrapped, even though there are many years of life left, and parts are easily available.

 

[DennisCA]

I wouldn't know where to get my hands on those, not an idea where to even begin.

 

[Richard.]

Cheap poorly made pumps for Tig coolers arent that great an idea, unless you are only wanting to use very occasionally. I would guess you should almost certainly be able to get a used Pro Con pump, from someone who sells and repairs vending machines. Would guess most of these pumps get scrapped, even though there are many years of life left, and parts are easily available.

Those caravan pumps are ideal if you can get 12/24 v to them. They ain't over worked in a tig cooler