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A Parameterized Model of Bolted Joints in Machine Tools
2014
International Journal of Acoustics and Vibration
A new dynamic model for bolted joints in heavy machine structures is proposed. The influence of the bolt pretightening force, the interface dimensions and the surface roughness on joint dynamics (i.e. the stiffness matrix of finite element) were analysed. Each stiffness coefficient in the matrix can be expressed by an exponential function of preload, and a quadratic polynomial function of geometric dimensions. Sixteen specimens were thoroughly designed and analysed. Then, the resulting
doi:10.20855/ijav.2014.19.1339
fatcat:carna2yj6bdnnedfmv2h7brxae