2021
DOI: 10.3390/jmmp5030080
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Digital Twins for High-Tech Machining Applications—A Model-Based Analytics-Ready Approach

Abstract: This paper presents a brief introduction to competition-driven digital transformation in the machining sector. On this basis, the creation of a digital twin for machining processes is approached firstly using a basic digital twin structure. The latter is sub-grouped into information and data models, specific calculation and process models, all seen from an application-oriented perspective. Moreover, digital shadow and digital twin are embedded in this framework, being discussed in the context of a state-of-the… Show more

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Cited by 32 publications
(11 citation statements)
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References 83 publications
(102 reference statements)
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“…Traditionally, digital twins are defined in a domain-specific way that relies on a mathematical-physical description resulting from specific spatial shapes, materials, and physical phenomena/equations, see for example machining processes for high-tech/aerospace industry [15,16]. To simplify the design process of digital twins, generation of digital twins from 2D and 3D CAD plans/models is addressed in [17], by means of generating graphs from available plans/models that pose a basis for graph matchmaking.…”
Section: Digital Twins For Production Systemsmentioning
confidence: 99%
“…Traditionally, digital twins are defined in a domain-specific way that relies on a mathematical-physical description resulting from specific spatial shapes, materials, and physical phenomena/equations, see for example machining processes for high-tech/aerospace industry [15,16]. To simplify the design process of digital twins, generation of digital twins from 2D and 3D CAD plans/models is addressed in [17], by means of generating graphs from available plans/models that pose a basis for graph matchmaking.…”
Section: Digital Twins For Production Systemsmentioning
confidence: 99%
“…In recent years, the application of DT in machine tools has made achievements in many aspects. For the DT-driven machine tool framework, Hänel et al [15] introduced a competitiondriven digital transformation in the machining sector, in which the creation of a DT for machining processes is approached by using a basic DT structure; Zhao et al [16] proposed an advanced DT system framework for CNC machine tools and discussed the key factors that made the DT system more practical; Vishnu et al [17] proposed a digital twin framework for NC machining processes, which allows simulation, prediction, and optimization of key performance indicators using the historical and real-time machining data during process planning and machining phases, respectively. For thin-walled parts manufacturing, Zhu et al [18] presented a DT-driven thin-walled part manufacturing framework to allow the machine operator to manage the product changes, and make the start-up phases faster and more accurate.…”
Section: Digital Twin-driven Machine Toolsmentioning
confidence: 99%
“…Therefore, a well implemented DT framework should fulfill requirements regarding standardization, multidirectional communication, scalability, flexibility, modularity, traceability, real-time capability, and security (Boschert et al, 2016). The consistent usage of a standardized DT framework can help manufacturers to generate and manage common data and model collections, e.g., acquired process data from a machine tool consisting of position signals, motor drive currents or spindle speed (Hänel et al, 2020;Hänel et al, 2021).…”
Section: State Of the Art 21 Digital Twin Frameworkmentioning
confidence: 99%