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Global Consistency of Tolerances : Proceedings of the 6th CIRP International Seminar on Computer-Aided Tolerancing, University of Twente, Enschede, The Netherlands, 22-24 March, 1999 - F. B. van Houten

Global Consistency of Tolerances

Proceedings of the 6th CIRP International Seminar on Computer-Aided Tolerancing, University of Twente, Enschede, The Netherlands, 22-24 March, 1999

By: F. B. van Houten (Editor), Hubert Kals (Editor)

Hardcover Published: 31st March 1999
ISBN: 9780792356547
Number Of Pages: 440

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This book contains selected contributions from the 6th CIRP International Seminar on Computer-Aided Tolerancing, which was held on 22-24 March, 1999, at the University of Twente, Enschede, in the Netherlands. This volume presents the theory and application of consistent tolerancing. Until recently CADCAM systems did not even address the issue of tolerances and focused purely on nominal geometry. Therefore, CAD data was only of limited use for the downstream processes. The latest generation of CADCAM systems incorporates functionality for tolerance specification. However, the lack of consistency in existing tolerancing standards and everyday tolerancing practice still lead to ill-defined products, excessive manufacturing costs and unexpected failures. Research and improvement of education in tolerancing are hot items today. It gives an overview of the latest developments in the field of computer-aided tolerancing, including such topics as tolerance specification; tolerance analysis; tolerance synthesis; tolerance representation; geometric product specification; functional product analysis; statistical tolerancing; education of tolerancing; computational metrology; tolerancing standards; and industrial applications and CAT systems. This book is suited to users of new generation CADCAM systems who want to use the available tolerancing possibilities properly. It can also be used as a starting point for research activities.

Global consistency of Dimensioning and Tolerancingp. 1
Optimising Tolerance Allocation for Mechanical Assemblies Considering Geometric Tolerances Based on a Simplified Algorithmp. 27
Functional and product specification by Gauge with Internal Mobilities (G.I.M.)p. 37
Development of a Computer-Aided Tolerancing System in CAD Environmentp. 47
Towards realistic simulation of machining processesp. 55
Estimating position tolerance process capabilitiesp. 63
The validation of a process plan by propagated dispersion zonesp. 73
A three dimensional tolerance transfer methodologyp. 83
Transforming ISO 1101 Tolerances into Vectorial Tolerance Representations - A CAD-Based Approachp. 93
Industrial application of Vectorial tolerancing to improve clamping of forged workpieces in machiningp. 101
Root Cause Analysis for Fixtures and Locating Schemes Using Variation Datap. 111
On-Machine Quality Control System for TRUE-CNC Manufacturing Systemp. 121
Tolerance Representation Scheme for Integrated Cutting Process and Inspection Planningp. 131
Towards easier and more functional semantics for geometrical tolerancingp. 139
A tolerance system to interface design and manufacturingp. 149
Contribution of a mathematical model of specifications of a part to their coherence analysisp. 157
Parametric Tolerancingp. 167
Mathematical representation of Tolerance Zonesp. 177
On the education of the real geometry of mechanical parts through the tolerancing and the tridimensional metrologyp. 187
Choice of functional specifications using graphs within the framework of educationp. 197
TASys: A Computer aided Tolerance System based on a Variational Geometry formulationp. 207
Innovations in Integrating Tolerance Analysis Technologies for a Computer-Aided Tolerancing Systemp. 215
Representation of assembly and inspection processes for the tolerance analysis of automobile bodiesp. 223
Two-Step Procedure for Robust Design Using CAT Technologyp. 231
Detect the Unexpected- How to Find and Avoid Unexpected Tolerance Problems in Mechanismsp. 241
Application of TTRS method in industrial practice; Tolerance specification for industrial cooling water pumpsp. 251
The configuration space method for kinematic tolerance analysisp. 261
Dynamic Tolerance Analysis, part I: A theoretical framework using bondgraphsp. 271
Dynamic Tolerance Analysis, part II: Issues to be resolved when applying bondgraphsp. 283
Tolerance evaluation system of manufactured parts based on soft gagingp. 293
An expert system for assessing flatness with a cmmp. 303
Cost Tolerance Sensitivity Analysis for Concurrent Engineering Design Supportp. 313
Motion constraints in a 2D polygonal assemblyp. 325
3D variational polyhedral assembly configurationp. 335
A Development of Statistical Tolerancing System for Optical Productsp. 345
Modelling-Simulation-Testing of Compliant Assembliesp. 355
Aircraft Assembly Analysis Method Taking Into Account Part Geometric Variationsp. 365
Integrated Tolerance Information Systemp. 375
Integrated Tolerance Managementp. 385
Role of Statistics in Achieving Global Consistency of Tolerancesp. 395
Tolerance Analysis And Synthesis Using Virtual Jointsp. 405
Analysis of positional tolerance based on the assembly virtual statep. 415
Operations on polytopes: application to tolerance analysisp. 425
Author indexp. 435
Keyword indexp. 437
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792356547
ISBN-10: 0792356543
Audience: Professional
Format: Hardcover
Language: English
Number Of Pages: 440
Published: 31st March 1999
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 24.13 x 16.51  x 3.18
Weight (kg): 0.84