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	公差重ね合わせ	積層造形スライシング
分野	製造工学	製造工学
系統	Process / pipeline	Process / pipeline
提唱年	2006	1990s
提唱者	Drake, P. J.	Deckard, C. R. et al.
種類	Method for analyzing tolerance accumulation in assemblies	Computational method for additive manufacturing
原典	Drake, P. J. (2006). Dimensioning and Tolerancing Handbook (2nd ed.). McGraw-Hill. ISBN: 0-07-145215-8	Ngo, T. D., Kashani, A., Imbalzano, G., Nguyen, K. T., & Hui, D. (2018). Additive manufacturing (3D printing): A review of materials, methods, applications and challenges. Composites Part B: Engineering, 143, 172-196.
別名	Stack-up analysis, Tolerance accumulation, Geometric tolerance	3D printing slicing, Layer generation, Mesh slicing
関連	4	4
概要	Tolerance stack-up analysis is a method for predicting the cumulative effect of manufacturing tolerances on the final dimensions and fit of assembled components. When parts with individual tolerances are assembled together, their tolerances combine in complex ways, often producing a result that is worse than each part individually. Stack-up analysis ensures that the final assembly will function correctly despite individual part tolerances, or identifies where tighter tolerances are necessary.	Additive manufacturing slicing is the computational process of converting a three-dimensional CAD model into a series of two-dimensional cross-sectional layers that are sequentially built up by 3D printing hardware. Developed during the early maturation of stereolithography and selective laser sintering in the 1990s, this method bridges the gap between digital design and physical fabrication, enabling rapid prototyping and production of complex geometries.