Manufacturing Industry
Tandem arc welding methods developed for building ships.(PROCESS TECHNOLOGY)(Brief article)
Advanced Materials & Processes, June, 2007
Tandem arc welding processes designed to improve productivity for future Navy ship building programs are under development at the Navy Joining Center, Edison Welding Institute, Columbus, Ohio. Tandem gas metal arc welding (T-GMAW) is a variation of GMAW in which two electrodes are fed through a single welding torch.
Improved process stability and dramatically improved productivity are the benefits of tandem GMAW. Development activities have demonstrated welding deposition rates two to three times faster than conventional single electrode GMAW for shipbuilding weld joints. Tandem arc welding processes can reduce the costs of welding high-strength steel joints by increasing weld deposition rates and welding speeds. A preliminary cost analysis reveals that tandem...
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