한국해양대학교

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FCA 용접법을 이용한 수평 필렛 용접시 최적 용접 조건에 관한 연구

Title
FCA 용접법을 이용한 수평 필렛 용접시 최적 용접 조건에 관한 연구
Alternative Title
Study on the Suitable Welding Condition for the Horizontal Fillet Welding with FCAW
Author(s)
MiaoYu
Publication Year
2013
Publisher
한국해양대학교
URI
http://kmou.dcollection.net/jsp/common/DcLoOrgPer.jsp?sItemId=000002174262
http://repository.kmou.ac.kr/handle/2014.oak/8250
Abstract
Welding is the key part of the shipbuilding, and it directly related to the quality and efficiency of the ship building. Nowadays, the analog control DC arc welding machine is widely used in the production of ship and offshore plant. But the requirements of the special ship, offshore plant and high added value ship owners increase gradually. The welding quality, automatic welding, energy conservation are all put forward strict requirements. In this case, the limits of the analog welding machines are apparent. The digital welding machine instead of the analog welding machine is the direction of the development.

The welding expert database, that the digital welding machine takes, is one of important characteristics. The horizontal fillet welding is prevalently used in ship building industries to fabricate the large scale structures. A deep understanding of the horizontal fillet welding process is restricted, because the phenomena occurring in welding are very complex and highly non-linear characteristics. So in this paper, we have found the optimal relationships between welding parameters for horizontal fillet welding such as current and voltage, current and deposition rate, through literature survey, theoretical study and a lot of welding experiments by a newly developed digital welding machine.
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해양시스템공학과 > Thesis
Files in This Item:
000002174262.pdf Download

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