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Mechanism Analysis of Deviation Sourcing and Propagation for Meta-action Assembly Unit
Journal of Mechanical Engineering
Abstract:Mechanism of error sourcing and propagation for rigid part assembly is the important work for mechanical precision predicting. The concept of meta-action assembly unit is proposed based on the structure decomposition using PFMA for CNC machine tool. The deviation source that affects assembly precision or accuracy is clustered into five types: Deviation of geometric location and orientation, variation of geometric form and deviation of part location and orientation etc. Error sourcesdoi:10.3901/jme.2015.17.146 fatcat:abfdgbvydfeedoy6atsnkknhfy