Abstract
DXF format file is a standard format of the ASCII text file, the CAD graphic data is saved accurately. A method of NC program is proposed based on DXF file in this paper, the valid data is extracted from AutoCAD DXF document in the graphics file (including straight line, circle, circular, elliptic arc, and other information), then the design method of object-oriented program is used, thus the NC code can be identified by NC machine tools. A feasible way is provided to achieve the integration of CAD/CAPP/CAM system.
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