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With gasless wire you have to reverse the polarity.
The gun needs to be connected to the earth and the clamp to the positive.
The reason for this (this is from the CIG rep) is that 3/4 of your power goes through the pos and 1/4 goes though the neg. The gasless wire is a bit more delicate than normal wire because it is really a thin tube around a flux core. If you use the pos through the wire it disintergrates from the the power passing through it where if the neg is connected most of the currrent is in the work and the wire doesnt blow to pieces.
Paul.
have you tryed adjusting the wire feed? just try it either way could be to fast or to slow! how clean is the earth? the bit of steel were you have put the earth is it clean ie no rust or crusty old paint?
drop your voltage or use a thicker wire. Increasing your feed rate may sort it, but this means you have to move faster (something I never lked when welding). Better yet: go buy more bloody gas, you don't go buying a four wheel drive to travel to the shops, why would you buy a premium welder to use it for half its capacity.
I have seen that hilux as well. Wonder if he actually drives it off road or just cruises town with it. It looks pretty awesome. Have you seen that white single cab hilulx with 37" MTR's outside Ducks Nuts?
That looks like another town 4x4 as well, but I could be wrong.
Jase
Win if you can, Loose if you must, but never give up !!!!
I reckon you have a problem with no gas getting to your weld. Put the gun up to your ear and pull the trigger and listen for gas. Be carefull of getting poked in the ear by a length of sharp wire though.
Jase
Win if you can, Loose if you must, but never give up !!!!
jasonmcc wrote:I have seen that hilux as well. Wonder if he actually drives it off road or just cruises town with it. It looks pretty awesome. Have you seen that white single cab hilulx with 37" MTR's outside Ducks Nuts?
That looks like another town 4x4 as well, but I could be wrong.
jasonmcc wrote:I reckon you have a problem with no gas getting to your weld. Put the gun up to your ear and pull the trigger and listen for gas. Be carefull of getting poked in the ear by a length of sharp wire though.
Jase
his problem with splatter is with gasless wire , hence there will be no gas noise as the gas is turned off.
on a side not you are sure the wire you are using is actually gasless mig wire
Don't use the gasless shit, why did you get a mig in the first place? Could have saved heaps and bought a stick welder if you wanted to contaminate you weld pool with flux! The best thing about mig is no weld pool contam, just parent metal and filler metal, no shit!!!
there is a lot of other things in steel besides steel... silicon etc... yes that contaminates even mig... those little glassy yellow patches that fall off on top are silicon that comes out of the metal
doesn't really matter which process you use... its the settings and the operator that control the contamination level...
then again when you compare 1st class work with whats on most things it leaves a lot to be desired...
then again most steel is japaneese shit now... not like what bhp stuff used to be
do enough welding you will know what im on about
Oh man aint that the truth !!!
Jap steel is shyte
Down to my last 5 lengths of BHP 32mm black pipe that I use for making roll cages....... dont know what I'll do after its gone .... the jap stuff wont handle bendin all that well, doesnt weld all that well and isnt as strong either.
You guys that dont know your steels wouldnt belive the differance.... its about as differant as chalk n cheese.
Kingy
[color=blue][size=150][b]And your cry-baby, whinyassed opinion would be.....? [/b][/size][/color]
I dont get it. I doubt there'll be much more jap steel coming over. They are suffering a massive steel shortage over there. Watched a show on it the other day. They were talking how its impacting the construction industry. So surely they wont keep exporting it.
Its all good now dont what i did wrong, but its working good now.
hired a big tank from BOC and just welded up some bit and pieces and its great. sepnt about an hour tackn bits togther using differnt settings etc.
it was just a matter of playing around with.
I only have an ARC welder but I can borrow a MIG to fix up some rust in my dudlux's roof ..
The problem is that the MIG I can borrow is a cheapie flux core only welder .. from what I have read so far flux core is only any good for 1+ mm steel
Suggestions
" If governments are involved in the covering up the knowledge of aliens, Then they are doing a much better job of it than they do of everything else "
i thought the steel coming in was taiwanese not jap.it rusts big time compared to bhp. the steel in jap cars is first rate as rust is related to contamination in the steel and jap cars seem to hold up ok. obviouslt\y its a different beast altogether
ADHD Racing would like to thank Mrs Bru @ Sunshine Coast Developmental Physiotherapy - www.scdphysio.com.au , Ryano @ Fourbys www.generaltire.com.au Blitzkrieg Motorsport
i thought the steel coming in was taiwanese not jap.it rusts big time compared to bhp (i thought bhp was processed in japan and sent back from aust raw materials) the steel in jap cars is first rate as rust is related to contamination in the steel and jap cars seem to hold up ok. obviouslt\y its a different beast altogether
ADHD Racing would like to thank Mrs Bru @ Sunshine Coast Developmental Physiotherapy - www.scdphysio.com.au , Ryano @ Fourbys www.generaltire.com.au Blitzkrieg Motorsport
N*A*M wrote:i've welded exhaust with 0.8mm flux core
was doable but i burnt through where it was really rusty
oooh .. the metal I am looking at is pretty crap/thin 1982 lux and I have not used a mig before (I am used to my trusty old arc ... I have managed to weld a few bits in the ute tub with the arc sucessfully)
" If governments are involved in the covering up the knowledge of aliens, Then they are doing a much better job of it than they do of everything else "
you carnt change the mig wire to the 0.6mm mild steel this would better suit the sheet metal,
as for splatter cause is its too hot turn it down and should get little or no splatter simple scrapper should come off easy, can get stuff called anti splatter spry from any welding shop
as far as welding panels go, do it with an oxy and no filler rod (except where you blow through), takes plenty of pracyice though, just use a slightly carburising flame and keep youre inner cone 1/8inch off the job and youre molten pool 1/8inch wide, easy!!!!!
As for the mig, gassless will always be second rate no matter how good you get it, I gassless at home for "little sh@t" but anything slightly important I grab a bottle of gas from work. Incedently mig stands for Metal Inert Gas, mag stands for Metal Active Gas. the best and most common welding gas is 98%argon (inert) and 2%carbon dioxide (active), so really, we all mag weld, not mig!
.... the jap stuff wont handle bendin all that well, doesnt weld all that well and isnt as strong either.
