Ductile iron vehicle hub and method for producing same
US6009980A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Apr 15, 1997 |
| Grant date | Jan 4, 2000 |
| Priority date | — |
| Expiry date | Apr 15, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC21D7/06
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
An improved ductile iron vehicle hub and method for producing the same wherein the method includes the steps of (a) providing a vehicle hub formed from ductile iron and including a generally axially extending body having a centrally located opening formed therethrough, the body including an open inner end, an open outer end, and a generally radially outwardly extending flange; and (b) shot peening selected outer surfaces of the body of the vehicle hub to induce compressive stresses therein to improve the fatigue life the vehicle hub.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.