Laser welding method and laser welding apparatus
US9162321B2 · kind B2 · utility
0Cited by
3References
37Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 18, 2011 |
| Grant date | Oct 20, 2015 |
| Priority date | — |
| Expiry date | Nov 4, 2032 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/1336
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A laser welding apparatus includes laser generator, arc generator, wire feeder, filler feeder, filler-feeding-abnormality detector, and controller. Controller stops welding immediately upon receiving a filler-feeding-abnormality signal from filler-feeding-abnormality detector. This can stop welding before the formation of a defective weld bead, and can also prevent the breakage of the welding apparatus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.