Geometric Design Tolerancing: Theories, Standards and Applications

Abstract

Preface. View points on future directions in CAT research. Modeling representation and processing of tolerances, tolerance inspection: a survey of current hypothesis. Part I: Tolerance theory and standards. International standards for design tolerancing review and future perspective. Research in statistical tolerancing: examples of intrinsic non-normalities and their effects. Composing distribution function zones for their statistical analysis. ISO deliberates statistical tolerancing. Relations between ISO 1101 and geometrical tolerances and vectorial tolerances - conversion problems. The tools and rules for computer automated datum reference frame construction. Part II: Tolerance representation in CAD. Remarks on the essential elements of tolerancing schemes - short communication. The TTRS: 13 constraints for dimensioning and tolerancing. Variational method for assessment of toleranced features. The application of FAST diagrams to dimensioning and tolerancing. Identifying and quantifying functional element dispersions during functional analysis. Three dimensional functional tolerancing with proportioned assemblies clearance volume (U.P.E.L: Unions Ponderees d'Espaces de Liberte): application to setup planning. Modeling of geometric errors. Part III: Determination of part position uncertainty within mechanical assembly using screw parameters. A computation method for the consequences of geometric errors in mechanisms. A unified model for variation simulation of sheet metal assemblies. Practical applications for intersections of mechanical primitives for geometric tolerancing. Geometric tolerancing for assembly with maximum material parts. More on the effects of Non-normal statistics in geometric tolerancing short communication. Functional dimensions and tolerancing of manufactured parts for fluid leakage control. Part IV: Tolerance analysisand synthesis. A new algorithm for combination optimization: Application to tolerance synthesis with optimum process selection. Automated cost modeling for tolerance synthesis using manufacturing process data, knowledge reasoning and optimization. A comprehensive system for computer aided tolerance analysis of 2-D and 3-D mechanical assemblies. Parametric kinematic tolerance analysis of planar pairs with multiple contracts. Advanced methodology and software for tolerancing and stochastic optimization. Towards a designed experiments approach to tolerance design. Part V: Evaluation of geometric deviations. An iterative approach to profile evaluation using interpolation of measured positions and surface normals. Virtual gage with internal mobilities for the verification of functional specifications. On the accurate evaluation of geometric deviations from CMM data. Tolerancing of free form surfaces. Minimum zone evaluation of cylindricity using non-linear optimization method. Part VI: Industrial applications and CAT systems. Geometrical evaluation models in sheet metal forming: A classification method for shape errors of free-form surfaces. Tolerancing problems for aircraft industries. Teaching tolerances: A comparison between the conventional and reverse engineering approaches. Current status of CAT systems. Tolerance analysis using VSA-3D for engine applications. Author's Index. Keyword Index.