Plasma AUTO welding

Plasma welding is using plasma arc as heat source, is an automatic welding technology, it has a great improvement in welding performance compared with the traditional TIG. Plasma gas is generally pure argon, which has good ionization and arc stabilization, the shield gas can be selected according to different materials.

Plasma arc is high temperature ionized gas which is generated by ionization, going through the special compression structure of the welding torch and spray from the central hole of the water-cooling torch nozzle to form a stable plasma compression arc, and melt the workpiece to obtain greater penetration. It is usually divided into transfer arc and non-transfer arc and mixed arc three types, commonly used technology is transfer arc technology.

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TECHNICAL ADVANTAGES

Strong penetration:It has strong penetration, bellow 12mm plate welding need not make edge beveling, reducing the preparation time greatly and the amount of wire filling before Welding.

Concentrated highly plasma arc energy:The plasma arc energy is concentrated highly, the thermal effected area is smaller during welding and less deformation after plate welding.

Fast welding speed:Plasma welding is faster than handle TIG (3-8mm) and raised by 4-5 times working efficiency.

Single-sided welding & two-sided forming:The rigidity of arc column is strong and using small hole effect can achieve stable performance of single-side welding and two-sided forming, the height, width and narrowness of internal and external welding seams are uniform and beautiful look, which reduces the workload of post-welding seams treatment.

Good welding quality:Good welding quality and suitable for a lot of welding materials.

Long usage life:The electrode is designed in the nozzle of plasma torch, not easy to be burned down and contaminated, long life for electrode usage.

Good controllability：The plasma arc has good controllability and adjustability on welding.

TECHNICAL PARAMETERS

Thickness (mm)	Plasma +TIG welding speed (mm/min)	Lon gas flow (L/min)	Plasma welding amp(A)	TIG welding amp(A)	Single torch plasma welding speed(mm/min)
3	300~500	2.5~4	150~170	200-220	250-450
4	280~500	2.5~4	165~195	220-250	260-400
5	280~460	3.5~4.5	180-210	230-260	200-400
6	250~400	4.0-5.5	190-220	240-275	180-330
8	200-250	4.5~6	210-240	280-330	140-200
10	180-220	5-7	220-260	290~340	160-220
12	160~180	6~8	240-280	300~350	180-250