Manufacturing technology of metal door and window
A technology of metal doors and windows and manufacturing process, which is applied to the device and coating of the surface coating liquid, which can solve the problems of general corrosion resistance, decreased toughness, easy deformation, etc., to shorten the preparation time, prevent oxidation, and improve toughness and rigid effect
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Embodiment 1
[0028] A manufacturing process for metal doors and windows, comprising the following steps:
[0029] 1. Preheat the furnace first, preheat for 5 hours, and the preheat temperature is 800°C;
[0030] 2. Pour copper, silicon, magnesium, manganese and zinc into the melting furnace in sequence, and at the same time, rapidly raise the temperature of the melting furnace to 1500°C, heat for 40 minutes, and after the metal is completely melted, keep it warm for 10 minutes to obtain mixed metal 1;
[0031] 3. Add rare earth to mixed metal 1 and stir, while lowering the temperature of the furnace to 800°C and heating for 20 minutes to obtain mixed metal 2;
[0032] 4. Add nickel, chromium, titanium, boron, zirconium and strontium to the mixed metal 2 in sequence, and then transfer it to a refining furnace for refining. The refining temperature is 750°C and refining for 65 minutes to obtain material 1;
[0033] 5. After material 1 is poured into the mold and cooled to room temperature, ...
Embodiment 2
[0043] A manufacturing process for metal doors and windows, comprising the following steps:
[0044] 1. Preheat the furnace first, preheat for 3 hours, and the preheat temperature is 800°C;
[0045] 2. Pour copper, silicon, magnesium, manganese and zinc into the furnace in sequence, and at the same time, rapidly raise the temperature of the furnace to 1800°C, heat for 25 minutes, and after the metal is completely melted, keep it warm for 5 minutes to obtain mixed metal 1;
[0046] 3. Add rare earth to mixed metal 1 and stir, while lowering the temperature of the furnace to 800°C and heating for 25 minutes to obtain mixed metal 2;
[0047] 4. Add nickel, chromium, titanium, boron, zirconium and strontium to the mixed metal 2 in sequence, and then transfer to the refining furnace for refining. The refining temperature is 700°C, and the refining is 65 minutes to obtain the material 1;
[0048] 5. After material 1 is poured into the mold and cooled to room temperature, it is quen...
Embodiment 3
[0058] A manufacturing process for metal doors and windows, comprising the following steps:
[0059] 1. Preheat the furnace first, preheat for 3 hours, and the preheat temperature is 800°C;
[0060] 2. Pour copper, silicon, magnesium, manganese and zinc into the furnace in sequence, and at the same time, rapidly raise the temperature of the furnace to 1800°C, heat for 40 minutes, and after the metal is completely melted, keep it warm for 10 minutes to obtain mixed metal 1;
[0061]3. Add rare earth to mixed metal 1 and stir, while lowering the temperature of the furnace to 800°C and heating for 25 minutes to obtain mixed metal 2;
[0062] 4. Add nickel, chromium, titanium, boron, zirconium and strontium to the mixed metal 2 in sequence, and then transfer to the refining furnace for refining. The refining temperature is 700°C, and the refining is 65 minutes to obtain the material 1;
[0063] 5. After material 1 is poured into the mold and cooled to room temperature, it is quen...
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