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    An experimental investigation of fixture–workpiece contact behaviour for the dynamic simulation of complex fixture–workpiece systems

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    Authors
    Ratchev, Svetan
    Phuah, K.
    Lämmel, G.
    Huang, Wei
    Affiliation
    University of Nottingham
    Issue Date
    2005-05
    Subjects
    fixture design verification
    contact rigidity profiles
    finite element analysis
    
    Metadata
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    Abstract
    To reduce the overall costs and lead-times of new fixture development, an efficient and accurate fixture design verification methodology would have to be developed. This paper presents an innovative simulation methodology that is capable of predicting the dynamic behaviour of fixture–workpiece systems and is compatible with any commercially available FEA platforms. This is through the implementation of an innovative technique which utilises spring and damper elements to represent every point where the fixture is in contact with the workpiece. Previous verification of the technique has yielded promising results but a key element that needs to be addressed is the description of the spring behaviour in the FEA environment so that it could reflect the real-world behaviour of fixture–workpiece contacts. This paper reports on the experimental work to produce the required spring profiles for a range of fixture and workpiece contact scenarios. The entire experiment was planned and executed using design of experiment (DOE) techniques, ensuring that the results can be tested for statistical significance.
    Citation
    Ratchev, S., Phuah, K., Lämmel, G. and Huang, W. (2005) 'An experimental investigation of fixture–workpiece contact behaviour for the dynamic simulation of complex fixture–workpiece systems', Journal of Materials Processing Technology 164-165: 1597-1606
    Publisher
    Elsevier
    Journal
    Journal of Materials Processing Technology
    URI
    http://hdl.handle.net/10547/276016
    DOI
    10.1016/j.jmatprotec.2005.01.011
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0924013605000737
    Type
    Article
    Language
    en
    ISSN
    0924-0136
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jmatprotec.2005.01.011
    Scopus Count
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    Centre for Research in Distributed Technologies (CREDIT)

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