Light-alloy wheel for vehicles

Details Light-alloy wheel for vehicles Light-alloy wheel for vehicles

B - Operations, Transporting

60

B

B60B 3/02 (2006.01)

Patent

CA 2149384

The invention provides a light-alloy wheel for vehicles. In the light-alloy wheel for vehicles, a forged member is used at least for a disk portion, and outer and inner rim portions or an inner rim portion are separately worked, and these members are then joined to the disk portion by a friction pressure joining process. A forged light-alloy member in which an outer rim portion and a disk portion are integrally molded can be joined to an inner rim portion which is formed by casting a light alloy, by a friction pressure joining process, and a forged light-alloy member in which an outer rim portion and an inner portion are integrally molded can be joined to a disk portion which is formed by forging a light alloy, by a friction pressure joining process. Outer and inner rim portions are integrally molded by a casting process, and a portion which is to be formed as the inner rim portion can be molded by a spinning process.

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