加熱曲げ加工における加熱経路指示システムについて

概要

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The authors have studied systems on the heat bending of ship hull. This report focuses on a system to determine the optimum heating routes when the steel plate is bent to the target shell. The system proposes the following method to determine the heating routes. First, the angle of both longitudinal and transverse elements is calculated in the target shape. Next, by comparing the angular distortion of selected heating conditions and calculated angles of elements, the number of times each element must be heating can be obtained. The heating routes are indicated by connecting the elements that require the same number of heating times. As the results of pseudo-heating simulations, it was confirmed that the ship hull could be bent into the target shape based on the routes calculated in this optimum heating routes indication system. This system are designed to provide basic training in the skill of heat bending. In actual operation, however, the skill of heat bending should be improved upon based not only on this system, but also on experience.
社団法人日本船舶海洋工学会の論文
2004-08-31