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A self-learning method with domain knowledge integration for intelligent welding sequence planning [PDF]
Scientific ReportsDue to the emergence of mass personalized production, intelligent welding systems must achieve high levels of productivity and flexibility. Therefore, a self-learning welding-task sequencing method that is driven by data and knowledge was developed ...
Weidong Shen +4 more
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Optimizing Welding Sequence and Improving Welding Process for Marine Thick-Walled Circular Pipes [PDF]
MaterialsTo reduce welding deformation during the automated welding of thick-walled pipes in shipbuilding and thereby improve welding quality, a segmented multi-layer multi-pass welding sequence optimization and process improvement strategy is proposed. Firstly, based on a welding model for thick-walled pipes, a multi-layer multi-pass welding trajectory ...
Tao Ma +4 more
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Zhongguo Jianchuan Yanjiu, 2021 ObjectivesThe welding distortion of block structures in the fabrication of semi-submersible lifting and disassembly platforms influences their dimensional accuracy and production schedule.MethodsThus, taking a B514 block as the research object, the ...
Jiangchao WANG +4 more
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Feasibility study of fusion bonding for carbon fabric reinforced Polyphenylene Sulphide by hot-tool welding [PDF]
, 2011 In recent years, there is a growing interest in joining techniques for thermoplastic composites as an alternative to adhesive bonding. In this article, a fusion bonding process called hot-tool welding is investigated for this purpose and the used ...
De Baere, Ives +2 more
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Metals, 2018 The as-welded sectors of China Fusion Engineering Testing Reactor (CFETR) vacuum vessel (VV) have very tight tolerances. However, it is difficult to investigate the welding stress and distortion without the production of a full-scale prototype. Therefore,
Jingwen Zhang +8 more
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Sequencing and Welding of Molecular Single‐Crystal Optical Waveguides [PDF]
Advanced Functional Materials, 2020 AbstractMolecular crystals are promising anisotropic optical transducing media for next‐generation optoelectronic microdevices that will be capable of secure transduction of information and impervious to external electromagnetic interference. However, their full potential has not been explored yet due to their poor processability, low mechanical ...
Luca Catalano +8 more
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Robot trajectory planning using OLP and structured light 3D machine vision [PDF]
, 2013 This paper proposes a new methodology for robotic offline programming (OLP) addressing the issue of automatic program generation directly from 3D CAD models and verification through online 3D reconstruction.
Kormann, Mariza +3 more
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Ship block assembly sequence planning considering productivity and welding deformation
International Journal of Naval Architecture and Ocean Engineering, 2018 The determination of assembly sequence in general mechanical assemblies plays an important role in terms of manufacturing cost, duration and quality.In the production of ships and offshore plants, the consideration of productivity factors and welding ...
Minseok Kang, Jeongyeon Seo, Hyun Chung
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Kapal, 2012 This study aimed to determine the sequence of welding and the consequences that occur when the sequence of welding / welding sequence without a supported method of anticipating the occurrence of the pull of welding, the following ways to overcome it ...
Samuel Samuel, Sukarno Sukarno
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The Influence of Preheat on Distortion and Fatigue Crack Propagation Rate of FCAW Weld in A 36 Steel Structure [PDF]
, 2016 Welding is one of the joining processes and it has been widely used, especially for steel welded structure in off-shore, pipeline or ship construction. Advantages of the welding joint are inexpensive, process joining can be done quickly and can produce ...
Ilman, M. Noer +3 more
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