Production method of magnesium alloy hub
A magnesium alloy and hub technology, which is applied in the field of magnesium alloy hub preparation, can solve problems such as low material utilization, long production cycle, and complex process flow, and achieve the effects of improving comprehensive mechanical properties, reducing production processes, and reducing manufacturing costs
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[0021] Example 1, combining figure 1 , figure 2 with image 3 As shown, the method for manufacturing a magnesium alloy wheel hub with the composite forming technology in this embodiment has the following specific steps:
[0022] (1) Use AZ31 magnesium alloy as the manufacturing material of the wheel hub. The AZ31 alloy is smelted according to the composition ratio and undergoes purification treatments such as refining, standing, cooling and iron removal. The pouring temperature is 680℃, and the melt is poured into the mold through a special pouring system. The entire pouring process is gas protected to protect the gas composition For CO 2 And SF 6 Mixed gas, where SF 6 The concentration is 0.5vol%.
[0023] (2) Heat the squeeze casting mold to 250°C, the squeeze casting pressure is 100MPa per unit area, and the pressure holding time is 60s.
[0024] (3) The magnesium alloy is subjected to homogenization treatment at 390°C for 10 hours; after the homogenization treatment, the magne...
Example Embodiment
[0027] Embodiment 2, the method of manufacturing a magnesium alloy wheel hub by the composite forming technology in this embodiment, the specific steps are as follows:
[0028] (1) Use AZ80 magnesium alloy as the manufacturing material of the wheel hub. The AZ80 alloy is smelted according to the composition ratio. After purification, refining, standing, cooling and iron removal, the pouring temperature is 700 ℃, and the melt is poured into the mold through a special pouring system. The entire pouring process is gas protected to protect the gas composition For CO 2 And SF 6 Mixed gas, where SF 6 The concentration is 0.5vol%.
[0029] (2) Heat the squeeze casting mold to 250°C, the squeeze casting pressure is 100MPa per unit area, and the pressure holding time is 60s.
[0030] (3) The magnesium alloy is subjected to homogenization treatment at 400°C for 16 hours; after the homogenization treatment, the magnesium alloy blank is heated to 380°C, the forging die is heated to 300°C, and t...
Example Embodiment
[0033] Embodiment 3, the method of manufacturing a magnesium alloy wheel hub by the composite forming technology in this embodiment, the specific steps are as follows:
[0034] (1) Use ZK60A magnesium alloy as the manufacturing material of the wheel hub. The ZK60A alloy is smelted according to the composition ratio. After purification, refining, standing, cooling and iron removal, the pouring temperature is 720℃, and the melt is poured into the mold through a special pouring system. The entire pouring process is gas protected to protect the gas composition For CO 2 And SF 6 Mixed gas, where SF 6 The concentration is 0.5vol%.
[0035] (2) Heat the squeeze casting mold to 250°C, the squeeze casting pressure is 100MPa per unit area, and the pressure holding time is 60s.
[0036] (3) The magnesium alloy is subjected to a homogenization treatment at 400°C for 10 hours; after the homogenization treatment, the magnesium alloy blank is heated to 380°C, the forging die is heated to 300°C, an...
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