Method and apparatus for laser welding using a CW laser beam combined with a pulsed laser beam
US7265314B2 · kind B2 · utility
1Cited by
2References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 27, 2005 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Jul 27, 2025 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K26/0604
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for laser welding at least two metal parts, wherein the parts are welded along a weld area, includes simultaneously applying a continuous laser beam and a pulsed laser beam onto the weld area. The action of the pulsed laser is added to that of the continuous laser; with the continuous laser, it is possible to establish a stable molten bath in the weld area, the pulsed laser by its large peak energy, facilitating penetration of the energy and therefore of the molten bath, which allows deeper welding. A device for implementing the method is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.