Welding arc initiator
Abstract
An improved inert gas shielded tungsten arc welder is disclosed of the type wherein a tungsten electrode is shielded within a flowing inert gas, and, an arc, following ignition, burns between the energized tungsten electrode and a workpiece. The improvement comprises in combination with the tungsten electrode, a starting laser focused upon the tungsten electrode which to ignite the electrode heats a spot on the energized electrode sufficient for formation of a thermionic arc. Interference problems associated with high frequency starters are thus overcome. 3 figs.
- Inventors:
- Issue Date:
- OSTI Identifier:
- 7073303
- Patent Number(s):
- 4829153
- Application Number:
- PPN: US 7-068698
- Assignee:
- Battelle Memorial Inst., Columbus, OH (United States)
- DOE Contract Number:
- AC06-76RL01830
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 30 Jun 1987
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; GAS TUNGSTEN-ARC WELDING; WELDING MACHINES; DESIGN; ELECTRODES; LASER RADIATION; OPERATION; ARC WELDING; ELECTROMAGNETIC RADIATION; FABRICATION; GAS METAL-ARC WELDING; JOINING; RADIATIONS; WELDING; 360101* - Metals & Alloys- Preparation & Fabrication
Citation Formats
Correy, T B. Welding arc initiator. United States: N. p., 1989.
Web.
Correy, T B. Welding arc initiator. United States.
Correy, T B. Tue .
"Welding arc initiator". United States.
@article{osti_7073303,
title = {Welding arc initiator},
author = {Correy, T B},
abstractNote = {An improved inert gas shielded tungsten arc welder is disclosed of the type wherein a tungsten electrode is shielded within a flowing inert gas, and, an arc, following ignition, burns between the energized tungsten electrode and a workpiece. The improvement comprises in combination with the tungsten electrode, a starting laser focused upon the tungsten electrode which to ignite the electrode heats a spot on the energized electrode sufficient for formation of a thermionic arc. Interference problems associated with high frequency starters are thus overcome. 3 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue May 09 00:00:00 EDT 1989},
month = {Tue May 09 00:00:00 EDT 1989}
}
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