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A reasonable clamping form can effectively reduce the distortion and defect in wire and arc additive manufacturing. In this paper, a three-dimensional finite element model with verified weld-bead profile and heat source model is established. Using the Simufact.welding finite element analysis software, four typical clamping forms are compared in total distortion and residual stress distribution. The...
Clamping is necessary to reduce distortion and defect in wire and arc additive manufacturing. Considering the clamping model in simulation can improve the prediction accuracy of the distortion and residual stress. In this paper, a three-dimensional finite element model with corner clamping is established, and the weld-bead profile and heat source model is verified with experimental result. Using the...
A new kind of scheduling method for the complexity cooperation constrains is build to solve the cooperation problem of hierarchical kit and assembling pull in job shop and assembling production. Aiming to solve this problem, the methods are proposed to support the scheduling progress. The virtual kit process is adopted for assembling scheduling. The job shop and assemblage process unified data model...
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