Casting process for crankshaft
A casting process and crankshaft technology, used in manufacturing tools, casting molding equipment, casting molds, etc., can solve the problems that the casting accuracy cannot be effectively guaranteed, the casting hardness is not enough, and there are many casting processes, so as to avoid quality defects and ensure casting quality. , the effect of reducing production costs
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[0024] The principles and features of the present invention are described below, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0025] The technical scheme that the present invention solves the problems of the technologies described above is as follows:
[0026] A crankshaft casting process, characterized in that it comprises:
[0027] Step S01: Make a sand mold according to the design size requirements of the crankshaft, the axis line of the sand mold is set horizontally, and the sand mold forms a sprue and an ingate, and the sprue and the ingate are connected by a transverse channel, The sand mold is baked at a high temperature of 750-900°C for 20 minutes, and then cooled to 400°C;
[0028] Step S02: melt the steel in the circuit, and after the temperature rises to 1400-1500°C, add a refining agent to refine for 20 minutes to obtain molten steel, the carbon content of the molten stee...
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