Abstract
The management of geometrical variations throughout the product life cycle strongly relies on the gathering, processing, sharing and dissemination of tolerancing information and knowledge. While today, this is performed with many manual interventions, new means for automatic information processing are required in future geometrical variations management to make full use of new digitalization paradigms, such as industry 4.0 and digital twins. To achieve this, the paper proposes the term tolerancing informatics and investigates new concepts and means for automatic information processing, novel information sharing workflows as well as the integration of tools for next generation geometrical variations management. In this regard, the main aim of the paper is to structure existing tolerancing informatics workflows as well as to derive future research potentials and challenges in this domain. The novelty of the paper can be found in providing a comprehensive overview of tolerancing informatics as an important enabler for future geometrical variations management.
Highlights
For technical and economic reasons, geometrical deviations are inevitably observed on every manufactured artefact
This is performed with many manual interventions and new means for automatic information processing are required to fully exploit new digitalization paradigms introduced by the digital transformation in design and manufacturing, such as industry 4.0, cyber-physical systems and digital twins
Tolerancing informatics covers all attempts to achieve automated information processing workflows to support the activities that manage tolerances throughout the product life cycle and, in a broader sense, all activities that relate to geometrical variations management in general
Summary
For technical and economic reasons, geometrical deviations are inevitably observed on every manufactured artefact Since they have serious effects on the function and quality of complex products, there is an important need for geometrical variations management, which covers all efforts related to controlling and minimizing the effects of geometrical part deviations on the product quality [1]. While current research efforts only focus on specific sub-aspects of this problem, such as the authoring of tolerancing information or representation models for tolerancing information, there is a lack of a comprehensive and holistic study on the main benefits and future potentials of automatic tolerancing information processing Motivated by this lack, this paper proposes the term “tolerancing informatics” and investigates new means for automatic information processing and novel information sharing workflows for geometrical variations management of the future
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