期刊
ISIJ INTERNATIONAL
卷 57, 期 1, 页码 203-205出版社
IRON STEEL INST JAPAN KEIDANREN KAIKAN
DOI: 10.2355/isijinternational.ISIJINT-2016-407
关键词
local dry robot welding; rotary gas block; weld defect; welding process stability
资金
- National Natural Science Foundation of China [51375173]
- Science and Technology Programs of Guangdong Province [2013B011302006, 2013B010402007, 2014B010104002, 2014B090901030]
- SCUT Doctoral Student Short-Term Overseas Visiting Study Funding Project
The current research status and main drawbacks of underwater welding are briefly summarized A novel welding torch is proposed to overcome the problems and issues. The design details and working principle are introduced. A series of welding experiments are conducted, obtaining nearly defect-free joints. The experimental results indicate that the innovative methodology achieves a higher welding speed and better welding stability than conventional underwater welding. The feasibility and superiority of the innovative methodology are verified. An optimal database and corresponding weld bead diagrams are presented for direct employment in subsequent research.
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