What is it about?
The proposed method allocates the required functional assembly tolerances to the design and process tolerances by formulating the tolerance allocation problem into a comprehensive model and solving the model using a nonlinear programming software package.
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Why is it important?
A multivariate quality loss function of interrelated critical dimensions is first derived, each component design tolerance is formulated as the function of its related process tolerances according to the given process planning, both manufacturing cost and quality loss are further expressed as functions of process tolerances. And then, the objective function of the model, which is to minimize the sum of manufacturing cost and expected quality loss, is established and the constraints are formulated based on the assembly requirements and process constraints.
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This page is a summary of: Concurrent optimal allocation of design and process tolerances for mechanical assemblies with interrelated dimension chains, International Journal of Production Research, December 2008, Taylor & Francis,
DOI: 10.1080/00207540701427037.
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