Solid Modeling with Global Blending for Machining Dies and Patterns 900878

A computer solid modeling based system is described that is used for the numerical control machining of foundry patterns and forging dies. Key elements of the system include support of parametric modeling, a new global blending process to form the fillets and rounds required by these manufacturing processes and the automatic generation of numerical control tool path programs. These elements of the system are described and compared to existing methods. Use of the system is illustrated by an example forge die application.


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