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2024 | OriginalPaper | Chapter

2. The Geometrical Product Specification (GPS) Language

Author : Stefano Tornincasa

Published in: Technical Drawing for Product Design

Publisher: Springer International Publishing

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Abstract

The main concepts proposed in this chapter have the aim of expressing the fundamental rules on which the geometrical specification of workpieces can be based through a global approach that includes all the geometrical tools needed for GPS. Indeed, in an increased globalisation market environment, the exchange of technical product information and the need to unambiguously express the geometry of mechanical workpieces, are of great importance. The symbols, terms, and rules of the GPS language that are given in the ISO 17450, ISO 1101 and ISO 14660 standards are presented in this chapter through tools and concepts that allow an engineer to perfectly specify the imperfect geometry of a component, and to understand the impact of the drawing specifications on inspection.

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Footnotes
1
Withdrawn, revised by ISO 17450-1:2011.
 
2
Basic dimension in ASME.
 
3
When using the line profile symbol, if the intersection plane and the collection plane are the same, the collection plane symbol can be omitted.
 
Literature
1.
go back to reference ISO 17450-1:2011 Geometrical product specifications (GPS)—general concepts, Part 1: Model for geometrical specification and verification ISO 17450-1:2011 Geometrical product specifications (GPS)—general concepts, Part 1: Model for geometrical specification and verification
2.
go back to reference ISO 1101:2017 Geometrical product specifications (GPS)—Geometrical tolerancing—tolerances of form, orientation, location and run-out ISO 1101:2017 Geometrical product specifications (GPS)—Geometrical tolerancing—tolerances of form, orientation, location and run-out
3.
go back to reference ASME Y14.5:2018 Dimensioning and tolerancing. Engineering product definition and related documentation practices; American Society of Mechanical Engineers. New York, USA ASME Y14.5:2018 Dimensioning and tolerancing. Engineering product definition and related documentation practices; American Society of Mechanical Engineers. New York, USA
4.
go back to reference ISO 5458:2018 Geometrical product specifications (GPS)—Geometrical tolerancing—pattern and combined geometrical specification ISO 5458:2018 Geometrical product specifications (GPS)—Geometrical tolerancing—pattern and combined geometrical specification
5.
go back to reference ISO 8015:2011 Geometrical product specifications (GPS)—fundamentals concepts, principles and rules ISO 8015:2011 Geometrical product specifications (GPS)—fundamentals concepts, principles and rules
Metadata
Title
The Geometrical Product Specification (GPS) Language
Author
Stefano Tornincasa
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-51187-5_2

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