Manufacturing process for door and window aluminum alloy
A manufacturing process, aluminum alloy technology, applied in the field of door and window aluminum alloy manufacturing process, can solve the problems of low strength and unsuitability of pure aluminum, achieve high heat conversion efficiency, and improve the effect of machining performance
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[0019] Example 1
[0020] A manufacturing process for aluminum alloy doors and windows, including the following main steps:
[0021] Step 1: Raw material smelting. Put the raw materials for making aluminum alloy into a vacuum induction furnace for smelting, the smelting temperature is 1500°C, the smelting time is 12h, and the aluminum water is cast into a consumable electrode in a metal mold;
[0022] Step 2: Remelting refining, the burnt consumable electrode is subjected to vacuum arc remelting refining or electroslag remelting refining to form an electroslag ingot with a diameter of 10mm, and the melting temperature is 1300℃;
[0023] Step 3: Hot forging process, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1600°C and a vacuum condition of 0.1 MPa. When the vacuum degree is 0.2 MPa, oxygen blowing and decarburization are started. The carbon content in the aluminum alloy liquid is reduced to 0.03%, and oxyge...
Example Embodiment
[0032] Example 2
[0033] A manufacturing process for aluminum alloy doors and windows, including the following main steps:
[0034] Step 1: Raw material smelting. Put the raw materials for making aluminum alloy into a vacuum induction furnace for smelting, the smelting temperature is 1800°C, the smelting time is 13 hours, and the molten aluminum is cast into a consumable electrode in a metal mold;
[0035] Step 2: Remelting refining, the burnt consumable electrode is subjected to vacuum arc remelting refining or electroslag remelting refining to produce an electroslag ingot with a diameter of 50mm, and the melting temperature is 1400℃;
[0036] Step 3: Hot forging process, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1650°C and a vacuum condition of 0.3 MPa. When the vacuum degree is 0.2 MPa, oxygen blowing and decarburization are started. The content of carbon in the aluminum alloy liquid drops to 0.03~0.05...
Example Embodiment
[0045] Example 3
[0046] A manufacturing process for aluminum alloy doors and windows, including the following main steps:
[0047] Step 1: Raw material smelting, the raw materials for manufacturing aluminum alloy are smelted in a vacuum induction furnace, the smelting temperature is 2000 ℃, the smelting time is 14 hours, and the aluminum water is cast into a consumable electrode in a metal mold;
[0048] Step 2: Remelting refining, the burnt consumable electrode is subjected to vacuum arc remelting refining or electroslag remelting refining to produce an electroslag ingot with a diameter of 100mm, and the melting temperature is 1500℃;
[0049] Step 3: Hot forging treatment, the electroslag ingot is made into aluminum alloy liquid, and the aluminum alloy liquid is hot forged at a temperature of 1700°C and a vacuum condition of 0.6 MPa. When the vacuum degree is 0.22 MPa, oxygen blowing and decarburization are started. The carbon content in the aluminum alloy liquid is reduced to 0.05...
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