Fixturing planning has become a focus in concurrent engineering which is required for efficient and effective product design, process planning and fixture design. In the context of DFM in concurrent engineering, a new Decomposition and Reconstitution (D&R) Based Fixture Planning Automation is developed as a top-down approach for fixture design automation. Decomposition and reconstitution problems are discussed for building a prototype fixture planning system. Finally a practical example is given to show its application process and effectiveness.

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