Method for manufacturing hub motor shell
A technology for in-wheel motors and casings, which is applied in the field of casing preparation, can solve the problems of large process and machining allowance, high overall cost and high equipment investment, and achieves the effects of good performance indicators, fewer defects, and shortened process flow.
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Embodiment 1
[0016] A method for preparing the shell of an in-wheel motor, comprising the steps of:
[0017] 1) Smelting: The steel for the shell is smelted in a converter or an electric furnace, refined outside the furnace, and the composition is adjusted. After meeting the requirements, it is transferred to a tundish for standing;
[0018] 2) Prepare the mold: Design the outer mold and mold core according to the shell structure of the hub motor, then paint the surface of the outer mold and mold core, and then raise the temperature to 200°C. After the paint is dried, continue to heat up to the preheating temperature of 450°C ;
[0019] 3) Die-casting: Adjustment step 1) The temperature of the smelted molten steel is 1480°C, pour it quantitatively into the die-casting machine, then use the punch to fill the molten steel into the mold, adjust the die-casting parameters to complete the die-casting; then demould, Obtain the die-casting billet of the motor shell; wherein, the die-casting para...
Embodiment 2
[0022] A method for preparing the shell of an in-wheel motor, comprising the steps of:
[0023] 1) Smelting: The steel for the shell is smelted in a converter or an electric furnace, refined outside the furnace, and the composition is adjusted. After meeting the requirements, it is transferred to a tundish for standing;
[0024] 2) Prepare the mold: Design the outer mold and mold core according to the shell structure of the hub motor, then paint the surface of the outer mold and mold core, and then raise the temperature to 220°C. After the paint is dried, continue to heat up to the preheating temperature of 420°C ;
[0025] 3) Die-casting: Adjustment step 1) The temperature of the smelted molten steel is 1520°C, pour it quantitatively into the die-casting machine, then use the punch to fill the molten steel into the mold, adjust the die-casting parameters to complete the die-casting; then demould, Obtain the die-casting billet of the motor shell; wherein, the die-casting para...
Embodiment 3
[0028] A method for preparing the shell of an in-wheel motor, comprising the steps of:
[0029] 1) Smelting: The steel for the shell is smelted in a converter or an electric furnace, refined outside the furnace, and the composition is adjusted. After meeting the requirements, it is transferred to a tundish for standing;
[0030] 2) Prepare the mould: design the outer mold and mold core according to the shell structure of the hub motor, then paint the surface of the outer mold and mold core, and then raise the temperature to 210°C. After the paint is dried, continue to heat up to the preheating temperature of 435°C ;
[0031] 3) Die-casting: Adjustment step 1) The temperature of the smelted molten steel is 1500°C, pour it quantitatively into the die-casting machine, then use the punch to fill the molten steel into the mold, adjust the die-casting parameters to complete the die-casting; then demould, Obtain the die-casting billet of the motor shell; wherein, the die-casting par...
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