Method of producing a forging
US5729883A · kind A · utility
4Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 23, 1995 |
| Grant date | Mar 24, 1998 |
| Priority date | — |
| Expiry date | Jun 23, 2015 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49988
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method of producing a disc of an automotive road wheel by using an aluminum alloy as a material. The producing method comprising the following steps: (1) casting a disc material including an annular spoke section which has a ridge and is formed with a depression, the depression defined by a bottom wall; and (2) forging the disc material to obtain the forged disc by applying a processing degree of not less than 15% to the bottom wall of the spoke section and by applying a stress of not less than 50 MPa to the ridge of the spoke section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.