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Article: Slow welding makes fast cars for Team Rahal. (Engineering News).(welding equipment from Lincoln Electric Co.)(Brief Article)
- Article from:
- Design News
- Article date:
- August 5, 2002
- Author:
CopyrightCOPYRIGHT 2002 Reed Business Information, Inc. (US). This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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HILLIARD, OH--When welding together thin sheets of titanium for Team Rahal racing cars, Dan Dreisbach is very particular about his welding equipment. "If the welding arc starts off too abruptly, it's easy to burn a hole right through the poster-board thin titanium sheets."
The issue is the machine's high-frequency starts, Dreisbach explains. "The welder I was using previously had a problem with violent dc starts that were causing my tungsten to become contaminated," he says. "This, in turn, created poor-quality welds that needed extra grinding time."
Team Rahal pushes the capabilities of welded parts such as radiators, suspension components, exhaust ...