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Your Source for 15 inch Custom Wheels and Custom Rims
Custom Rim 411 - Part 2 - Casting
Two different processes are used to make wheels - Casting and Forging! In general terms Forged wheels are stronger and lighter than Cast wheels.
To cast a wheel, molting aluminum is poured into a mold and allowed to cool. This forms the basic wheel shape. When it comes out of the mold it is machined to remove excess aluminum, cut in the bolt pattern and hub circle and size to the mount pad. Then the wheel is finished by polishing, painting and plating.
Cast wheel cost less and is designer friendly, unlike forged wheels. However, it takes more aluminum to make a cast wheel and using more aluminum adds weight. One example weights 15 pounds forged and the same cast wheel weights in at 20 pounds.
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