Analysis of Wheel Hub Manufacturing
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Aluminum wheel manufacturing methods are three: gravity casting, forging, low-pressure precision casting.
1. Gravity casting method The use of gravity to pour aluminum alloy solution into the mold, forming after grinding by lathe processing, to complete production. The manufacturing process is simple, without precision casting process, low cost and high production efficiency, but prone to bubbles (trachoma), uneven density, surface smoothness is not enough. Geely is quite a model equipped with this method is the production of wheels, mainly the early production models, new models have been replaced with the new wheels.
2. Forging method Blocks of aluminum ingots from the kiloton of the direct extrusion die in the molding, the benefits are uniform density, surface smooth and detailed, thin and light weight of the hub wall, the highest strength material, casting method than three percent above, but Due to the need for more sophisticated production equipment, and the yield is only five to Liu Cheng, manufacturing costs higher.
3. Low-pressure precision casting at 0.1Mpa low-pressure precision casting, this casting method of forming good, clear outline, uniform density, smooth surface, both to achieve high strength, lightweight, but also control costs, and finished in More than Jiucheng, is the main high-quality aluminum alloy wheel manufacturing methods.
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