HITBOX Pulse TIG Welder 200A DC 220V Inverter TIG ARC MMA IGBT Welding Machine. Digital Weld Program Sequence Control. DC TIG (DC tungsten inert gas welding). HF Arc Ignition (prevents tungsten inclusion & tungsten damage).Adjustable Pulse Frequency 0.5 - 200Hz. Peak Current, Base Current and Pulse Width Adjustment. 2/4T Trigger + Spot Time Adjustment. Start & Final Current Adjustment. Pre and Post Gas Flow Adjustment. Up and Down Slope Adjustment. Generator compatible (recommend 9.0KVA 230V). DC MMA, polarity connection can be chosen according to different electrodes. DC TIG, DCEP is used normally workpiece connected to positive polarity, while torch connected to. This connection has many characters, such as stable welding arc, low tungsten pole loss. More welding current, narrow and deep weld. DC Pulsed TIG has the following characters. Metal in Molten pool has short time on high. Temperature status and freezes quickly, which can reduce the possibility to produce hot crack of the materials with thermal sensitivity. 2 The workpiece gets little heat. Be suitable for thin sheet and super thin sheet welding. 3 Exactly control heat input and the size of the molten pool. Depth of penetration is even. Be suitable for welding by one side and forming by two sides and all position. 4 High frequency arc can make metal for microlite fabric, eliminate blowhole and improve the mechanical performance of the joint. 5 High frequency arc is suitable for high welding speed to improve the productivity. 1pcs x High frequency Tig torch.
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