Method for manufacturing cone shaped open die forgings made rom aluminium alloy
A manufacturing method, aluminum alloy technology, applied in the direction of metal processing equipment, etc.
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specific Embodiment approach 1
[0005] Specific implementation mode one: (see figure 1 ) The method of this embodiment is realized in the following way: firstly, the 5A06 type aluminum alloy ingot is produced with the existing equipment, and the size of the ingot is Φ720mm×3700-4000mm, and the chemical composition of the aluminum alloy is as follows by mass percentage: Si:≤0.4 %, Fe: ≤0.4%, Cu: ≤0.1%, Mn: 0.5-0.8%, Mg: 5.8-6.8%, Zn: ≤0.2%, Ti: 0.02-0.1%, Be: 0.0001-0.005%, impurities: ≤0.1%, the balance is Al; second, smelting conditions: after the above chemical composition is proportioned, it is smelted at 700-750°C; the chemical composition of the alloy is strictly controlled during the smelting process to prevent cracks. Use ceramic tubes to filter during casting to reduce metallurgical defects inside the metal, such as oxide film, slag inclusion, etc., and lay a good foundation for future production. In order to make the casting stress evenly distributed, a funnel is used during water cooling to make t...
specific Embodiment approach 2
[0006] Specific implementation mode two: (see figure 1 ) The chemical composition of the aluminum alloy in this embodiment is as follows by mass percentage: Si: 0.4%, Fe: 0.4%, Cu: 0.1%, Mn: 0.6%, Mg: 6.3%, Zn: 0.2%, Ti: 0.05 %, Be: 0.0006%, impurity: 0.05%, and the balance is Al; the temperature condition for smelting in the second step is 710°C; the metal temperature in the third step is 465°C; in the fourth step The wool heating temperature is 415°C.
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