What are the advantages of plasma cutting welding torch?
①The plasma arc is approximately cylindrical, and the divergence Angle is not more than 5°. The size of the heating area is basically independent of the distance between the nozzle and the workpiece. Therefore, the impact of the distance between the nozzle and the workpiece on the weld quality is not as sensitive as that of TIG welding, which is very beneficial for manual operation.
②The plasma arc has high temperature, high ionization degree, and is still stable when the current is as low as 0.1A. It can be used for welding micro precision parts.
③plasma cutting welding torch not only has great penetration capacity, but also has strong hole effect because of its high energy density and high plasma ion current force, which is suitable for single-side welding and double-side forming without padding. The current required for welding the same thickness is small, the heat affected zone of welding is small, and the welding deformation is small. The shape of the plasma cutting welding torch seam is very ideal, like a wine cup, and the influence zone is small.
④Plasma arc with high energy density and fast flow rate has good stability and straightness, so it is suitable for high-speed welding, and the joint alignment requirements are significantly reduced. plasma cutting welding torch seam is narrow and deep, welding speed is fast, so the energy utilization rate is high, welding productivity is significantly improved.
⑤The tungsten pole shrinks inside the water-cooled copper nozzle, and it is impossible to contact with the workpiece, so the tungsten clamping phenomenon of the weld metal can be avoided.
What are the disadvantages of plasma cutting welding torch?
①Welding thickness is limited, generally below 25mm。
②The welding torch and control circuit are complicated, and the service life of the nozzle is very low.
③There are many welding parameters, which require high technical level of welding operators.
What materials can be welded by plasma cutting welding torch?
plasma cutting welding torch can weld almost all metals, such as stainless steel, aluminum and aluminum alloy, titanium and titanium alloy, nickel and nickel alloy, copper and copper alloy, magnesium and magnesium alloy and Monel alloy, etc. But low melting point or high vapor pressure metals, such as zinc, are generally not plasma cutting welding torch. Non - transfer arc can also be used for welding refractory materials, ceramics, etc.
Huarui welding expert
Since the establishment in 1985, HUARUI has kept focusing on heavy industry to make welding & cutting solutions and has become one of the leading manufacturers in welding & cutting by modern manufacturing equipment, special technology, and strict testing systems.
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