A unified manufacturing resource model for representation of computerized numerically controlled machine tools


Vichare, P., Nassehi, A. and Newman, S., 2009. A unified manufacturing resource model for representation of computerized numerically controlled machine tools. Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture, 223 (5), pp. 463-483.

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    The capability of any manufacturing system primarily depends on its available machine tools. Thus machine tool representation is a vital part of modelling any manufacturing system. With the rapid advances in computerized numerically controlled (CNC) machines, machine tool representation has become a more challenging task than ever before. Today's CNC machine tools are more than just automated manufacturing machines, as they can be considered multi-purpose, multi-tasking, and hybrid machining centres. This paper presents a versatile methodology for representing such state-of-the-art CNC machining system resources. A machine tool model is a conceptual representation of the real machine tool and provides a logical framework for representing its functionality in the manufacturing system. There are several commercial modelling tools available in the market for modelling machine tools. However, there is no common methodology among them to represent the wide diversity of machine tool configurations. These modelling tools are either machine vendor specific or limited in their scope to represent machine tool capability. In addition, the current information models of STEP-NC, namely ISO 14649, can only describe machining operations, technologies, cutting tools, and product geometries. However, they do not support the representation of machine tools. The proposed unified manufacturing resource model (UMRM) has a data model which can fill this gap by providing machine specific data in the form of an EXPRESS schema and act as a complementary part to the STEP-NC standard to represent various machine tools in a standardized form. UMRM is flexible enough to represent any type of CNC machining centre. This machine tool representation can be utilized to represent machine tool functionality and consequential process capabilities for allocating resources for process planning and machining.


    Item Type Articles
    CreatorsVichare, P., Nassehi, A. and Newman, S.
    Related URLs
    URLURL Type
    Uncontrolled Keywordsmanufacturing systems,controlled machine tools,computerized numerically,unified manufacturing resource model
    DepartmentsFaculty of Engineering & Design > Mechanical Engineering
    Research CentresInnovative Design & Manufacturing Research Centre (IdMRC)
    Publisher StatementVichare_Nassehi_Newman_IMechE_2009_original_text_figures.pdf: Version 2, as permitted by publisher.
    ID Code14430
    Additional InformationProceedings paper from the 4th International Conference on Digital Enterprise Technology. University of Bath, Bath, England, 19-21 September, 2007


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