開先加工の分析

抄録

Among the workability wide variety of a steel plate, joining by welding is particularly important. High-quality welding technology is required and it is important the accuracy of the previous step "Groove" in order to achieve it. In this study, working processes of an expert and a non-expert during an edge preparation of a steel plate were analyzed. By observing the work operations, it was found out that the number of the working steps were subdivided into 10 categories, and time spent in each steps were different. The working time for the edge preparation of the non-expert was longer than that of the expert, and there were many notches in the groove surface by the non-expert due to heat during processing. It is a next phase to analyze works of the expert in more details, and that can be useful for succession planning and technology of inheritance.