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The Development and Application of Intelligent Welding Carriage with High Deposition Rate by 3-D Weaving

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2010년도 춘계 학술발표대회 발표초록, 2010년 5월, 서울 KWJS 2010-Spring

3차원 위빙 대용착 지능 용접캐리지 개발 및 적용

김영주*, 조방현*, 아미트*, 이상범**, 이원구*, 김진용*, 허만주*

*대우조선해양 산업기술연구소 **대우조선해양 미래연구소

The Development and Application of Intelligent Welding Carriage with

High Deposition Rate by 3-D Weaving

Young-Zoo Kim*, Bang-Hyun Cho*, Amit*, Sang-Bum Lee**, Weon-Gu Lee*, J in-Yong Kim*, Man-Joo Huh*

*Industrial Application R&D Institute, Daewoo Shipbuilding & Marine Engineering Co.,LTD, Geoje-si 656-714, Korea

**Future Product & Business Development Institute, Daewoo Shipbuilding & Marine Engineering Co.,LTD, Siheung-si 459-793. Korea

Abstract

In shipbuilding industry, welding position are usually flat and vertical position at the erection stage. Application of SAW and EGW for these positions makes it possible to achieve enhanced productivity and high quality. But owing to their large size and weight it is difficult to apply these techniques in short and narrow regions. To overcome this problem, our company developed light weight and compact size 4-axis welding carriage which perform 3D weaving. The purpose of this study is to explain the development and application of intelligent welding carriage using 3D weaving pattern that can fill a large amount of welds and thereby making it possible to achieve high quality of welding. This study shows 3D weaving pattern, development of weaving database, and skill of adaptive control response for the variable gap. Also, it shows the results of procedure qualification test for the AH-grade steel when applied to the intelligent welding carriage.

Key Words : Shipbuilding industry, Flux cored arc welding, Intelligent welding carriage, 3 dimension weaving, high depositojon rate, Weaving database, One layer one pass welding, Adaptive weaving control

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