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High frequency induction heating gear quenching treatment
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The purpose of gear quenching is to transform the supercooled austenite into martensite or bainite to obtain a martensite or bainite structure, which is then tempered at different temperatures to greatly increase the strength, hardness, and resistance of the steel. Grindability, fatigue strength and toughness, etc., so as to meet the different use requirements of various mechanical parts and tools.
Some parts (including gears) are subjected to alternating loads such as torsion and bending and impact loads when the workpiece is subjected to, and its surface layer bears a higher stress than the core. In the occasion of friction, the surface layer is continuously worn. Therefore, high strength, high hardness, high wear resistance and high fatigue limit are required for the surface layer of some parts. Only surface strengthening can meet the above requirements. Because surface quenching has the advantages of small deformation and high productivity, it is widely used in production.
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Some parts (including gears) are subjected to alternating loads such as torsion and bending and impact loads when the workpiece is subjected to, and its surface layer bears a higher stress than the core. In the occasion of friction, the surface layer is continuously worn. Therefore, high strength, high hardness, high wear resistance and high fatigue limit are required for the surface layer of some parts. Only surface strengthening can meet the above requirements. Because surface quenching has the advantages of small deformation and high productivity, it is widely used in production.
WhatsApp:+86 15038554363
My other videos：
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