In a multi-operational machining process (MMP), the final product variation is an accumulation or stack-up of variation from all machining operations. Modeling and control of the variation propagation is essential to improve product dimensional quality. This paper presents a state space model and its modeling strategies to describe the variation stack-up in MMPs. The physical relationship is explored between part variation and operational errors. By using the homogeneous transformation approach, kinematic modeling of setup and machining operations are developed. A case study with real machined parts is presented in the model validation.
Part Dimensional Error and Its Propagation Modeling in Multi-Operational Machining Processes
Contributed by the Manufacturing Engineering Division for publication in the Journal of Manufacturing Science and Engineering. Manuscript received October 2001; Revised July 2002. Associate Editor: E. C. De Meter.
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Huang , Q., Shi, J., and Yuan, J. (April 15, 2003). "Part Dimensional Error and Its Propagation Modeling in Multi-Operational Machining Processes ." ASME. J. Manuf. Sci. Eng. May 2003; 125(2): 255–262. https://doi.org/10.1115/1.1532007
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