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首页> 外文会议>The proceedings of the twelfth (2002) international offshore and polar engineering conference (ISOPE-2002) >Development of Welding Deformation Control Method for Hull Structure of Ro/Ro Passenger Ferry
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Development of Welding Deformation Control Method for Hull Structure of Ro/Ro Passenger Ferry

机译：滚装客运渡轮船体结构焊接变形控制方法的研制

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摘要

Welding deformation of hull structure in the shipbuilding industry isrninevitable at each assembly stage. The geometric inaccuracy of eachrnmember at the assembly stage precludes the introduction of automationrnand mechanization and produces the addditional man-hours for thernadjusting work at the following assembly stage. To overcome thisrnproblem, a distortion control method should be applied to reduce thernwelding deformation at each assembly stage. For this purpose, it isrnneccesary to develop an accurate prediction method which canrnexplicitly account for the influence of various factors on the weldingrndeformation. The validity of the prediction method must be alsornclarified through experiments.rnFor the purpose of reducing the weld-induced residual deformation,rnthis paper proposes the plastic counter-deforming method using the linernheating as the optimum distortion control method. The validity of thisrnmethod has been substantiated by a number of numerical simulationsrnand actual measurements.
机译：在造船业中，船体结构的焊接变形在每个组装阶段都是不可避免的。每个构件在组装阶段的几何误差都会妨碍自动化和机械化的引入，并会在下一个组装阶段产生额外的工时用于进行调节工作。为了克服这个问题，应采用变形控制方法以减少每个组装阶段的焊接变形。为此，有必要开发一种精确的预测方法，该方法可以明确地说明各种因素对焊接变形的影响。为了减少焊接引起的残余变形，本文提出了一种以线加热为最优变形控制方法的塑性反变形方法。该方法的有效性已通过大量数值模拟和实际测量得到证实。

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