Abstract
In this paper we describe an operation planning system for process planning. An operation planning system called the computer-aided operation planning system(COPS)which generates cutting parameters(tool size, depth and width of cut, cutting speed, and feed rate)has been developed. The functional features assigned to machining operations are categorized into 8 machining features such as face milling, pocket milling, solt milling, hole making, tapping, counter boring, and counter sinking. Algorithms to carry out operation planning for those categories according to the shape of each feature, the capacity of the selected machine tool, the workpiece material and the cutting tool, were established and implemented. For supporting this software, five data files have been designed - material file, machine tool file, cutting tool file, sample cutting file, and cutting technology file - and a software program file has been made for the maintenance of those data files. The output of the established system has been proved to be practical by means of the metal cutting test.
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