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Wire Influence

Jan 11, 2019

The welding wire of the alkaline welding system can obtain very good ductility and toughness of the molten metal, but the workability is far worse than that of the acidic system. The transition of the droplets is mainly caused by the ball-drop transition and more splashes. The development of the steel wire system for low-alloy steel welding materials combines the workability of the acid system with the excellent mechanical properties of the alkaline system. Special welding wire for electric spark discharge coating cold welding machine is used for surfacing or welding under normal temperature condition. After welding for one second, the characteristic is that the welding wire temperature does not exceed 40 degrees Celsius, and the continuous welding is not super high 80 degrees Celsius. It is mainly used for repairing some heat-resistant parts.

When welding, the temperature is generally controlled at 40 degrees Celsius, the wall thickness is 0.4-0.5 mm, and the maximum is not higher than 100 degrees Celsius.The heat affected zone is very small when the welding wire is repaired, and no internal stress is generated. It is very suitable for casting defects, surface strain, wear and repair of mold defects.

Why is the temperature of the wire so low, because the wire is in a micro-melting state when it is melted, and when it comes into contact with the workpiece, a small short-circuit is quickly formed by the external force to move the workpiece. Since the melting is small, the workpiece is much larger. The temperature quickly dissipated. The temperature of the wire does not rise continuously until it is red in the whole section, and the anti-red ability is super strong. Compared with ordinary welding wire, if the duration is too long, the welding wire will be severely red and the solder joint will be black. Even if it can be welded, when welding, it is easy to appear oxidation, slag, welding is not high, and affect its subsequent processing.

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