In recent years, the relationship between the process planning and the manufacturing environment has been perceived as to be a core in the area of the CAPP. Even when making the process sheet for the same product, the manufacturing environment, such as people, facilities and enterprise communities, functions to produce the difference in process planning. This difference is derived from the thinking process of experienced engineers who produce the process plan. In this report, first the method regarding how the engineers think about the noticeable points when checking the part drawing is investigated and moreover it is expressed by the “thought model”. In addition, a concept of CAPP system, which can correspond to the difference of manufacturing culture-related environment is proposed using the neural network and on the basis of the thought model.
