2D AUTOCAD GEOMETRIC DATA EXTRACTION AND POST- PROCESSING FOR NUMERICAL CONTROL
Abstract
In this paper, a method of extracting 2D geometric data from AutoCAD drawing and post-
processing for Numerical Control (NC) is presented. Geometric data already available in
the Drawing Interchange Files (DXF) can be utilized to accurately and economically
prepare part programs for controlling NC/CNC machine tools. AutoCAD, being general
purpose software, stores its geometric data in a form that cannot be directly applied for
automatic generation of Numerical Control (NC) codes. The way around the discrepancy
between the structure of a drawing database (DXF files) and the information requirement
for part programming is addressed in this work. NC programming of a test component
drawn in AutoCAD is also presented.
processing for Numerical Control (NC) is presented. Geometric data already available in
the Drawing Interchange Files (DXF) can be utilized to accurately and economically
prepare part programs for controlling NC/CNC machine tools. AutoCAD, being general
purpose software, stores its geometric data in a form that cannot be directly applied for
automatic generation of Numerical Control (NC) codes. The way around the discrepancy
between the structure of a drawing database (DXF files) and the information requirement
for part programming is addressed in this work. NC programming of a test component
drawn in AutoCAD is also presented.
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