Welding system for AC welding with reduced spatter
US10179369B2 · kind B2 · utility
2Cited by
27References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 27, 2015 |
| Grant date | Jan 15, 2019 |
| Priority date | — |
| Expiry date | Apr 20, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/092
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A welding system comprises a welding power source that provides an alternating current in a selected wave form having a set of positive and negative portions, the negative portion consisting of a peak, tailout, and background phase, and the positive portion consisting of a peak, tailout, and background; wherein the power source provides an upward ramping current during the pinch and detachment phase, switches to an electrode negative current during the negative peak, tailout, and background phases, and switches to a subsequent electrode positive portion; wherein, the positive portion may repeat prior to the next shorting event.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.