PURPOSE: An experience based NC programming and a structure reinforcement method based on in the processing feature are provided so that processing experience knowledge of the machine tool operator are away driven to the database and it reuses and the NC programming time is shortened.;CONSTITUTION: A processing case about the processed product processed is registered in the experience underlying data base(S1000). The case which is similar to the processing case of the processed product processed is searched in the experience underlying data base. The searched case is used. The NC program used for the processed product processed becomes(S2000).;COPYRIGHT KIPO 2010
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