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Laser hardening is a new surface modification technology. It is through in the surface of the substrate added hardening material, and the use of high energy density of the laser beam to the surface of the base material layer with melting method and in grassroots surface formation and its metallurgical combination add material hardening layer.
hardening process choose circular laser spot. Quenching process choose the square laser spot. Ensure movement mechanism movement in any direction when the shape of the hardening layer has been consistent.
hardening alloy powder loaded HGSF-2A high-precision binoculars powder feeder tube powder, powder with a carrier gas flow rate constant (typically argon / nitrogen) alloy powder into the powder feed pipe, powder dispenser Way Get reach head office. Powder flowing through the annular space to enter a special powder feed nozzle, below the powder feed nozzle polymerization. Powder aggregation point in the laser beam focus on the Strategy of 1mm. See Figure 4. Polymeric powder diameter smaller than the diameter of the focused spot. After the powder in the air absorption of the laser beam energy liquefaction, down to the work surface, solidified after leaving the beam forming the hardening.
Using a semiconductor laser optical input, 6-axis robot gripped by laser hardening an optical head or head, and then assisted with horizontal rotary axis positioner, etc., through a central control unit, to achieve a variety of shapes of parts laser hardening, laser alloying and laser hardening requirements to meet the surface of advanced manufacturing and remanufacturing of new product failure of the product. Compared with the conventional surface strengthening and re-manufacturing technology, excellent processing performance, small deformation of the workpiece, high degree of automation, repeatability and other significant technological features, high-end products become resolved to strengthen and remanufacturing indispensable means of technology.
Gas (proof) curtain
Powder feeding nozzle
Powder sending type
Powder sending Motivation
Powder sending speed
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