CAD system, method and medium for creating and encoding NC data based before and after workpiece models
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United States of America Patent
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Aug 18, 1998
Grant Date -
N/A
app pub date -
Apr 7, 1995
filing date -
Oct 9, 1992
priority date (Note) -
Expired
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Abstract
A machining information determination system and method for operating the same in which control data and optimum machining information of a machine tool can be determined automatically from the comparison of a model having the shape of a workpiece before machining and a model having the shape of the workpiece after machining. A CAD apparatus creates before- and after-machining workpiece shape information based on before- and after-machining models of the workpiece. Information regarding the material of the workpiece and stage of machining to be applied to the workpiece is entered via an input unit. Based on the information from the CAD apparatus and the input unit, a machining determination apparatus determines the optimum machining information for machining the workpiece. The optimum machining information and the information from the CAD apparatus is inputted into a CAM apparatus, which creates NC data, applied to the workpiece via a machine tool.
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