Heat treatment and grinding method in kitchen knife manufacturing process
A technology of manufacturing process and heat treatment process, used in heat treatment furnaces, manufacturing tools, heat treatment equipment, etc., can solve the problems of kitchen knife hardness, toughness, poor shape and durability of cutting edges, etc., to improve economic income, high profits, eliminate internal problems. effect of stress
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[0031] Take V gold steel as material, adopt traditional heat treatment and grinding method to manufacture 100 kitchen knives, named A, use V gold steel as material, adopt heat treatment of the present invention and grind method to manufacture 100 kitchen knives, name B.
[0032] The hardness of the kitchen knife processed by the invention is about 10 higher than that of the traditional one. Tests have proved that the service life is longer than that of the traditional kitchen knife, and the selling price is three times that of the traditional kitchen knife.
[0033] In the present invention, the ordinary steel plate and the V gold steel are combined by argon arc welding to form a knife blank, and then quenched at a specific temperature and a specific time and tempered at a specific temperature and a specific time to improve the hardness and toughness of the knife blank. The internal stress, deformation and brittleness of the knife blank are eliminated, and the edge grinding of ...
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