The ability to quantify part dimensional quality with respect to design specifications is of fundamental importance in product design and manufacturing. Our earlier work has proposed the use of admissible transformation volume as a part dimensional quality metric. That is, part quality is quantified based on how much an as-manufactured part shape can move while still remaining within a tolerance zone. A transformation is admissible if upon such a transformation a manufactured part shape falls within the design tolerance zone. A collection of such transformations in the transformation space forms an admissible transformation volume (ATV). In this paper, we present two properties of ATV: transformation invariant and decomposability. We then describe algorithms for computing ATV and how ATV properties facilitate complex tolerance check and reveal new insight on part producibility.
- Design Engineering Division and Computers and Information in Engineering Division
Computing Admissble Transformation Volume
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Qian, X, & Yang, P. "Computing Admissble Transformation Volume." Proceedings of the ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. Volume 3: 25th Computers and Information in Engineering Conference, Parts A and B. Long Beach, California, USA. September 24–28, 2005. pp. 263-272. ASME. https://doi.org/10.1115/DETC2005-84773
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