New High-Speed Machine Tool Structure by Holistic Mechatronic Systems Design

Neugebauer, Reimund; Ihlenfeldt, Steffen; Frieß, Uwe; Wabner, Markus; Rauh, Stefan

doi:10.1016/j.procir.2012.04.055

Cited by 8 publications

(7 citation statements)

References 8 publications

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“…Nevertheless, there is a complex mechanical chain with finite stiffness between the feed axes and the tool center point (TCP) which leads to deviations. Depending on the configuration of the machine tool and the implemented process, these deviations can be significant [21]. Consequently, these deviations must be quantified using suitable models thus being an inherent part of the digital twin.…”

Section: Machine and Path Inaccuraciesmentioning

confidence: 99%

“…Consequently, these deviations must be quantified using suitable models thus being an inherent part of the digital twin. In order to evaluate these dynamic path deviations of the particular machine tool, a holistic simulation of the structure and drive control is indispensable [21,22]. Firstly, the dynamic behavior of the mechanics is determined and transferred into a state-space representation [23].…”

Section: Machine and Path Inaccuraciesmentioning

confidence: 99%

See 1 more Smart Citation

Digital Twins for High-Tech Machining Applications—A Model-Based Analytics-Ready Approach

Hänel

Seidel

Frieß

et al. 2021

JMMP

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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-art literature review. The main part of this paper addresses models for machine and path inaccuracies, material removal and tool engagement, cutting force, process stability, thermal behavior, workpiece and surface properties. Furthermore, these models are superimposed towards an integral digital twin. In addition, the overall context is expanded towards an integral software architecture of a digital twin providing information system. The information system, in turn, ties in with existing forward-oriented planning from operational practice, leading to a significant expansion of the initially presented basic structure for a digital twin. Consequently, a time-stratified data layer platform is introduced to prepare for the resulting shadow-twin transformation loop. Finally, subtasks are defined to assure functional interfaces, model integrability and feedback measures.

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Section: Machine and Path Inaccuraciesmentioning

confidence: 99%

Section: Machine and Path Inaccuraciesmentioning

confidence: 99%

Digital Twins for High-Tech Machining Applications—A Model-Based Analytics-Ready Approach

Hänel

Seidel

Frieß

et al. 2021

JMMP

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“…Another approach, with parallels to the presented one, are redundant feed drive axes, which are shown for example in [7][8][9]. Here, several drives with very different dynamic behavior are combined so that the planned motion can be distributed to them.…”

Section: Current Limitations In Path Generationmentioning

confidence: 99%

Impact-based feed drive actuator for discontinuous motion profiles

Zahn

Schulte

Verl

2020

Prod. Eng. Res. Devel.

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This paper discusses an approach to enable step-wise velocity changes in machine tool feed drives while reducing the reaction force of the drive on structural machine components. The implementation is based on an additional actuator that transmits well-defined impulses on the table via mechanical impacts. Possible applications are seen in processes as beam processing or handling. The approach is introduced by means of a multi-body model and afterwards experimental results are shown. On the one hand, the reduction of the tracking error while following discontinuous velocity profiles is analyzed, on the other hand, the reduced excitation of the machine structure is shown. The experimental verification of the functional principle is performed on a single axis setup where the fundamental parameters in design, material and control are quantified. Concluding, a short outlook on remaining research topics regarding the shown approach is given.

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“…Many authors deal with the issue of mechatronic models [8], [10], [11]. If we focus only on the area of machining, this topic is no longer so common.…”

Section: Literature Overviewmentioning

confidence: 99%

Mechatronic Concept of Heavy Machine Tools

Janda¹

2018

Proceedings of the 29th International DAAAM Symposium 2018

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Frequently discussed topic related to the modern trend of Industry 4.0 is the issue of virtual commissioning. This paper focuses on the development of a virtual model (the so-called digital twin) of a real heavy machine tool. In the field of heavy machine tools, this topic is completely new. The paper contains a general description of this issue and the short review of the works dealing with this topic. The development of the virtual model is realized in the Siemens NX environment using the Sinumerik 840D control system. The digital twin is used to test machine parameters. This work is an introductory step for the implementation of the virtual commissioning methodology in the development of heavy machine tools.

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New High-Speed Machine Tool Structure by Holistic Mechatronic Systems Design

Cited by 8 publications

References 8 publications

Digital Twins for High-Tech Machining Applications—A Model-Based Analytics-Ready Approach

Digital Twins for High-Tech Machining Applications—A Model-Based Analytics-Ready Approach

Impact-based feed drive actuator for discontinuous motion profiles

Mechatronic Concept of Heavy Machine Tools

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