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US 12,187,073 B2Granted
Method for manufacturing a one-piece wheel by forging and a one-piece wheel manufactured thereby
AssigneesHyundai Motor Company, Kia Corporation, Hands Corporation Ltd.
InventorsYoung-Chan Kim, Young-Rae Jo, Jun-Min Lee, Byoung-Ok Park, Young-Sik Kim, Geon-Ki Han
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Abstract
A method for manufacturing a one-piece wheel by forging includes: producing an integral forging comprising: a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion in a forging method; producing an outer bend by bending the annular protrusion through a flow-forming process; and forming a hollow portion by welding one end of the outer bend to one side of the rim portion.
Claims12
A method for manufacturing a one-piece wheel by forging, the method comprising:
- producing an integral forging comprising:
- a disc portion, a rim portion, and an annular protrusion protruding from one side of the disc portion toward the rim portion in a forging method;
- producing an outer bend by bending the annular protrusion through a flow-forming process;
- and
- forming a hollow portion by welding one end of the outer bend to one side of the rim portion.
2 more elements
Dependencies are inferred from the claim text.