Apparatus for joining metal components
US6420686B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 1, 2000 |
| Grant date | Jul 16, 2002 |
| Priority date | — |
| Expiry date | May 1, 2020 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K2103/10
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus has a single workstation for joining high strength metal components by electromagnetic forming techniques. One of the metal components carries high loads or is subjected to combined stresses and strains, thus requiring that it be relatively strong and ductile. EMF or MPW processes are used to join the components, whose strength is temporarily diminished prior to the joining step. The high strength material is subjected to a retrogressive heating and quenching process along a joined boundary thereof and is then electromagnetically joined. Thereafter, the strength of the diminished material is restored to its higher temper and strength. In a first embodiment, the apparatus uses a single coil for both the heating and electromagnetic bonding of the metal. In a second embodiment, two adjacent coils are used and the material is moved along a work path between the coils.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.