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Cylinder, piston rod, the column is one of the most important components in the hydraulic support, is the main component of supporting and bearing the hydraulic support, the anti corrosion ability directly affects the use of the whole hydraulic support. At present, the hydraulic support cylinder domestic coal industry production and maintenance of the outer circle surface of chromium plating technology is widely used for protection, use early good corrosion resistance, but to adapt to the underground environment performance is poor, the chromium plating layer’s fatal weakness is the pore and crack easily cause corrosion, affect the service life of the oil cylinder of hydraulic support, increased maintenance costs, the use of serious will endanger the safety of hydraulic support product.

Its basic principle is to use a certain density of high power laser irradiation of hydraulic cylinder rod, make irradiated bar stainless steel powder coated surface wear area to reach the melting point began to melt. When the laser beam irradiation is stopped when the heating zone, rapid cooling and stainless steel powder solution cooling, the stainless steel powder and melting in a metal cylinder rod outer surface, so that the workpiece surface of remanufacturing repair

Future oriented development, Henan Chao Feng Electrical Equipment Co., Ltd. will be more committed to leading the application of advanced technologies, to build the core competitiveness. At present, company based on its own unique inspection means and methods, formulate is actively involved in the laser cladding inspection standards, and strive to develop industry standards, to enhance its competitive strength, improve the competitive threshold, set up the authority of.