Consumable electrode type pulsed arc welder and controlling method for the same
US6037554A · kind A · utility
9Cited by
1References
6Claims
0Family size
Assignee
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Key dates
| Filing date | Mar 16, 1998 |
| Grant date | Mar 14, 2000 |
| Priority date | — |
| Expiry date | Mar 16, 2018 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K9/092
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A consumable electrode type pulsed arc welder and a controlling method for the same, wherein at least one of a welding current and a welding voltage is output to a wire in accordance with a duty time of a pulse waveform group comprising a first pulse period to form a droplet having a predetermined amount at an end of the wire, a base period to shorten an arc length between the droplet and a base metal, and a second pulse period to detach the droplet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.