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Laser Welding Barrels The extruder system consists of a screw and a barrel barrel, which are subjected to harsh working conditions with high pressure, high temperature, severe wear and corrosion. The degree of polishing of the inner surface of the barrel has an important influence on the extrusion process .... The materials used to produce the barrels are generally required to have excellent properties, such as heat resistance, abrasion resistance and high pressure resistance. If the surface of the inner wall of the barrel is rough, it will affect the unloading speed, and it will be broken due to excessive pressure from long-term accumulation. Laser cladding technology can effectively solve this problem. Compared with other technologies, the dilution rate of laser cladding is low, and the performance of the cladding layer is fully guaranteed. The weaving density is high, and the surface of the workpiece has small defects. The treatment before cladding is simple. Laser beam dispersion angle is small, good directivity, good local repair effect.

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