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Gday Chris
I am a boilermaker/welder and also a member of the biofuels forum,and one day hope to build a 6.8 meter plate ally boat in the future, a good mate of mine has built 22 boats to survey and...

Gday
This link may help Aluminum Welding with a Spool Gun
Thanks caveman

Gday
You could also use brasso a mild abrasive metal polish on a soft cloth not paper tissues as this can scratch, great for polishing cd's,dvd's,phone screens ipod's
thanks caveman

Gday
Have you tried turning you gas down to 5 lpm
thanks caveman

Gday Mick
I checked my bottle today and mine is also 10.5m3 the last was 9.4m3 and no i'm not a volume user only a couple of bottles a year.
thanks caveman

Gday
Carbon content in steel affects the weldability ,high carbon steels are harder to weld whereas low carbon steels like mild steel are easier to weld.:2tsup::2tsup::2tsup:
thanks caveman

Gday doc
Try this link 3M 06-0100-30Sw 9100Xx Speedglas Auto Dark Weld Helmet
thanks caveman

Gday mick
The coregas G size bottle holds 9.4 cubic meters vs 8.3 cubic meters which gives you a little more gas for your money, i understand that you may pay more money up there in ballina due to...

Gday Doc
A mate of mine just bought a speedglas 9100xx from the states landed here for just under 400 bucks a saving of about 200 bucks, it was here in a week and he's very happy with it.:2tsup:...

Gday Mick
Your paying way too much for a G size refill, i pay $111 for a refill of argon with Core gas and my rental is 42.50 a quarter
thanks caveman

Gday
You need AC for welding aluminium this is a dc only machine TIG160P
thanks caveman

Gday
Have you got your polarity right,i cant tell from your pics
thanks caveman

Gday old fella
I completed my 8g last semester and i'm now doing my 3e i also have the 7 so from memory make sure you plate edges are square and keep the root run small and right in the corner and...

Gday
This link may explain things OHS Reps @ Work : Construction & Utilities - Compressed Air
thanks caveman

Gday
Were lucky here in sydney the 10mm plates for the horizontal butt already have the bevel and the root face cut, all we do is just clean the mill scale off with the linisher or a sanding disk on...

Gday
I too am guilty of putting in a 25mm tack and grinding it to 20mm and also grinding the middle paper thin i've also had them let go as i was putting in the root run so thanks for the tips i...

Gday grahame
The test is in six weeks time and any help you could give me would be much appreciated and to old fella the cert 7 i already have is issued by tafe but the the inspector is from...

Gday all
The funny thing is i query something because im not sure and get shot down in flames, a teacher i thought was there to help students this teacher has never explained why its 11 mm if he had...

Gday
I'm at tafe doing my mig ticket 8, i was wondering if someone could clear up a dispute between my teacher and i , one of the four welds we have to do is a vertical up fillet weld anyway the...

Gday Newlou
The danger of the argon bottle is not the explosion but if the cylinder falls over and the valve gets hit it will take off like a rocket bouncing off the wall like a missile, dangerous...

Gday
Looks like a wire brush job and a reflection off that nice shiny weld.
thanks caveman
ps: I knew you'd love that rap music :D:D:D
thanks caveman

Gday
I just thought i'd add another youtube video
YouTube - ‪Killa Chris Killin' Em‬‎

Gday Gallegos
On you recommendation i will buy a box of 100.
thanks caveman

Gday
The 1mm flexovit cut well but don't last very long i found,
these guys on ebay have some cheap disks but i can't vouch for the quality.50 disks for 45 bucks 1mm 125mm plus postage
125mm 5"...

Gday old fella
I'll admit the teachers will tell you to put a root face on but me being a little pig headed i tried without on the 2g and it helped me get the peno i needed.
anyway the teacher has...

Gday
Here's another video that might be of help to some Dailymotion - Learn TIG welding from the welders lens TIG welding videos - a News & Politics video
thanks caveman

Gday
I had tafe again tonight and decided to pose the question again to my mate (rigger/boilermaker)and yet again he tells me he prepped the pipe with a grinder and pulls out his iphone and shows...

Gday
Here is another video without a root faceYouTube - welders greek 1 this is all i had to go on before my practical exam my peno wasn't good enough so i had to try something different

Gday rushy
From memory the question was directed at me anyway i don't profess to be and expert i've only just completed my ticket!
I can only tell you what my mate told me i thought it a bit...

Gday
A mate of mine works as a rigger at caltex and he took some video of the pro's tig welding large diameter pipe using a knife edge which my mate prepaired with the grinder and all their welds...

Gday old fella
On the 2g i used a knife edge (no root face) and a 3.25 mm root gap by striping the flux of a stick electrode and bending it in to boomerang and aligning the pipe from above by eye...

Gday Old fella Congrats
I'm sure next time around i'll be a little more relaxed, i could'nt wait till next year so i've re-enroled to do the mig (ticket 8) this semester, yeh theres nothing like...

Gday all
Part of the ticket requires you to pass a 150 question multiple choice theory exam in hsc like conditions in three hours i completed the exam in half that time and was confident i'd done...

Gday Stringy
Congratulations to you to ,there was about ten boys sitting the test in our class most of them doing the tig ticket 7 the rest doing stick we also had a few pull out at the last minute...

Gday
A few days ago i completed my tig ticket at tafe sydney institute after a semester of practice on pipe in two positions 2g and 5g, you have to pretty much ace both welds on the day when nerves...

Gday
I spoke to pete at token tools and he told me that they are basically the same machine except for a different winding on the transformer for the higher voltage and a extra ceramic connection on...

Gday
I have done further investigation and it appear's you are correct the unit i have is identical externally to the ebay unit except for a three position switch on left hand side,the gas solenoid...

Gday
I own a token tools 200 amp ac/dc tig and this unit looks identical to the 4 in 1's sold on ebay it looks like my unit could also be used as a plasma cutter with the addition of a plasma torch...

Gday
I've owned one of these welders for a couple of years with no issues
AC/DC TIG WITH PULSE, INVERTER WELDER, PLASMA CUTTER - eBay Other Welding Equipment, Welding Equipment, Metalworking,...

Gday
A model number or brand may help us identify what type of welder you have most units would have a switch marked AC/DC it sounds like you have dc only tig
thanks caveman

Gday Grahame

I priced new 10 mm plate and got a real shock when the guy told me 1000 bucks so i thought maybe i could buy some second grade plate got a price on that for 500 bucks still a little...

Gday
I picked up this bench on ebay for 189 bucks and then made a few mods to accommodate my tig welder under the bench and can be safely locked away when not in use ,here are a few pics...

Gday
I suggest you buy a tig torch the tungsten and the arc also need protection by the shielding gas this may have been your problem with starting a arc ,with the machine you have you need a torch...

Gday
The best guys i've seen are here in Oz , they made a series of dvds call peach and tommasini theres also another bloke(american) that made a series about hotrods Ron covell which is worth a...

Gday
Too high a gas flow can be just as bad as not enough the flow rate is roughly (depending on ceramic nozzle) 1 LPM for every ten amps up to about 150 amps from memory ,too much gas can cause...

Gday
You could try this miller calculator and just convert the settings to metric http://www.millerwelds.com/resources/calculators/tig_amperage_calculator.php
thanks caveman

Gday
My mate has had an issue with the switch at the rear of the unit not clicking on properly (sticky switch) i dont know if this is your problem but its worth a look
thanks caveman

Gday
One of the students at tafe just got a nasty shock using tig (ac/hf) because his riggers gloves were too short and his skin was exposed between the cuff and the glove which allowed the current...

Gday
I think its the same pipe im on at tafe and its a piece of 80mm nb x 5 mm x 100 and we use the same oxy cutting head setup on a lathe to cut it at the right angle to weld in either the 5g or 2g...

Gday
I've finally had a chance to use the unit and performed a few aluminium welds and a bit of stainless and im happy with the quality of the welds as good as the machines i use at tafe for example...