Why no 0.6mm wire machines?

[lornemalvo]

I'm looking to buy and have found many machines that take only 0.8mm or thicker wire. Why no 0.6mm in so many cases?

 

[BrokenBiker]

I'm looking to buy and have found many machines that take only 0.8mm or thicker wire. Why no 0.6mm in so many cases?

All machines will take 0.6mm wire, just change the roller and contact tip...

 

[Erie Fred]

I'm looking to buy and have found many machines that take only 0.8mm or thicker wire. Why no 0.6mm in so many cases?

What machines have you looked at ?

While they may come from the factory set up for .030 wire and up, usually changing the feed rollers, wire liner, and tip
is all you need to run .023

Or are you finding machines that specifically list that they cannot run .023 ?

 

[Mark 2]

I think the general consensus favours 0.8.

 

[BrokenBiker]

I think the general consensus favours 0.8.

I don't go any lower the 0.8mm even for body work, just alter my technique

 

[addjunkie]

I don't go any lower the 0.8mm even for body work, just alter my technique

I find .8 better for car stuff to, or I did when I did such things! Cant remember using .6 for anything.

 

[Cobbler]

I find .8 better for car stuff to, or I did when I did such things! Cant remember using .6 for anything.

Same as me, 0.8 for everything. I found it feeds better as its stiffer

 

[premmington]

I am thou only person in the planet that prefers 0.6mm A18 wire in pure Co2 for car patching...

0.8mm in argon mixes wet out too much for rusty stuff...

 

[tigdlo]

I prefer 0.6mm A18 5% CO2-Argon mix, I have tried both 0.6mm and 0.8mm in both argon mix and 100% CO2. I generally don't weld to rust though.

 

[Cobbler]

I am thou only person in the planet that prefers 0.6mm A18 wire in pure Co2 for car patching...

0.8mm in argon mixes wet out too much for rusty stuff...

I used Co2 for a long time, as I got a cylinder from a skip outside a pub being refurbished. The thing I found was it seemed to be far better on rusty metal. Once you got an arc going you were away. I assumed it was because it welded hotter.

 

[qwakers]

i go through 3 15kg rolls of 0.6 a year, its about all i use. i cant weld bodywork with 0.8. with the amps low enough to not blow through the weld just sits on the surface.

 

[tom2207]

I am thou only person in the planet that prefers 0.6mm A18 wire in pure Co2 for car patching...

0.8mm in argon mixes wet out too much for rusty stuff...

thats where brazing saves the day .

 

[Smallfry]

I use 0.8 mm for everything thin. I don't know about consciously changing technique though. I guess its just what you get used to

 

[Maxakarudy]

I ran out of 0.8 wire & had a full roll of 1mm knocking about, I needed to weld up some 12mm holes in a Mini floor left over from fitting a roll cage, so had to cut some small discs, I thought it would be a problem, however it welded up fine. didn't notice any difference between 0.8mm wire

 

[bricol]

I thought I was using 0.6 last week welding up a petrol tank. It's air tight to 20 psi, but isn't the nearest.

I was surprised to find today it was 0.8. Just started another tank mod, having swapped to 0.6 - much neater, much smoother, much easier.

 

[Erie Fred]

I am thou only person in the planet that prefers 0.6mm A18 wire in pure Co2 for car patching...

0.8mm in argon mixes wet out too much for rusty stuff...

That's all I use for thin stuff.

I have (2) Lincoln WeldPak 100's, one is set-up with .023 & CO2.
The other runs .030 self shielded Flux core for little jobs.

 

[Shedendman]

thats where brazing saves the day .

True,but mig brazing,costly

 

[premmington]

True,but mig brazing,costly

MIG brazing is the ultimate glue gun for rusty car patching. Fast process with no burn thru...

But: It is expensive Cu wire and pure Argon - plus it won't pass an MOT (but once undersealed - a continuous bead - will look like a continuous bead of weld)

I don't do any MIG brazing on car body shells - I do allot of TIG brazing on exhausts - gas tight seals - Sil bronze rods in Argon and DC.

 

[8ob]

Another .6mm ist here, I am envious of anyone that can run a proper weld (not spot) on wafer thin gear with .8mm wire.

Bob

 

[bletchmonster]

I suspect it varies between welders, I think some struggle to feed 0.8mm consistently at very low wire feed speeds.
The wire feed running at a few more rpm on 0.6mm wire feeds feeds sweeter and more even as well as the dip transfer having less meat to have melt off in the puddle.