Quenching strengthening process of thin blade cutting edge
A thin blade and cutting edge technology, applied in the field of heat treatment, can solve the problems of reduced sharpness and wear resistance, low value-added application value, and reduced edge hardness, etc., to achieve sharpness and wear resistance, and not easy to break Knives and jumpers, performance-enhancing effects
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[0027] The quenching and strengthening process of the thin blade edge has the following steps: the thin blade 2 is tempered after overall quenching using the traditional quenching process; the traditional quenching process refers to the high-frequency quenching process or mesh belt furnace quenching The overall quenching process; the thin blade 2 after overall quenching is roughly ground and edged; the thin blade 2 is moved at a high speed, and its relative moving speed is 100-400mm / s; the high power density laser spot is irradiated on the cutting edge 5 , its power density ≥ 150W / mm 2, so that the cutting edge forms a laser quenching layer; among them, the power of laser 1 is a continuous fiber laser or a continuous semiconductor laser with a medium and small power of 500-2000W, which has lower quenching energy consumption and lower maintenance costs than pulse lasers, and is more conducive to application in large Workpieces processed in batches. Laser quenching is originall...
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