Welding 1mm Aluminium Sheet

An investigation has been carried out to explore the problems associated with the operation and control of the mig spot welding process on aluminium alloys particularly arc initiation and inconsistent weld penetration and properties.

Welding 1mm aluminium sheet.

The more time the arc is in an area the hotter it. A rule of thumb for welding sheet metal steels and stainless steels is one amp per one thousands of thickness. Is there any special type tig welding or razing machine nich apr 6 2013. The effect is quite neat though this is a cold method of mig welding.

Techniques for welding sheet metal. 1mm is about 040 40 thousandths so 40 amps is in the ball park. But that is only a guideline. Using too small a filler rod can be a problem too.

Weld and cut in one kit with this torch from eastwood that s made in the u. I used 1 16 1 6m 4043 rod for this outside corner joint in 040 and it worked out ok. Aluminum oxide on the surface of the material melts at 3 700 f while the base material aluminum underneath will melt at 1 200 f. Typical aluminum alloys for sheet fabrication are 3003 and 5052.

Another rule of thumb for tig welding sheet metal thicknesses is try not to use a filler rod that is thicker than the metal you are welding. Filler metals for either of these would be 4043 or 4943. Failure modes were determined by shear. To prevent burn through and warping don t whip or weave the torch.

For thin metal this isn t a problem but a continuous weld seam weld would be much more appropriate for steel over 1mm. A 5356 filler metal also works for 5052 materials specifically. What is the best way to tig weld 1 mm 304 s s and at what amp. Nich apr 6 2013 1.

To weld aluminum operators must take care to clean the base material and remove any aluminum oxide and hydrocarbon contamination from oils or cutting solvents. Learn the tricks to gas welding aluminum sheet metal with mike from cobra torches. There are plenty of tig welding machines out there that are able to do the job. 2 thoriated tungsten or 2 lanthanated tungsten in the 063 or 1 5 mm diameter will be the best.