Open AccessResidual stress and deformation analysis on thermal shrink-fitted joint in the semi built-up marine crankshaft
Author(s) -
Jianguo Duan,
Xintao Long,
Qinglei Zhang
Publication year - 2020
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1676/1/012083
Subject(s) - finite element method , deformation (meteorology) , crankshaft , materials science , residual stress , interference fit , structural engineering , electromagnetic coil , shrinkage , stress (linguistics) , contact mechanics , cylinder , mechanical engineering , composite material , engineering , linguistics , philosophy , electrical engineering
Interference and deformation of the shrink fitting connection have a significant influence on the local stress state at the contact area. To improve its assembly quality, an optimized induction heating method with an arc-shaped frame coil and a cylinder type coil was developed. The effects of shrink fitting parameters such as residual contact stress and dimensional deformation were researched using finite element analysis (FEA). A thermal-structure coupling model of crankshaft shrink fitting was built, and contact stress evaluations of the measurement points in the shrinkage were obtained by numerical simulation. In addition, contact stress and deformation analysis under different interferences were also carried out to determine the range of values. The simulation and comparative analysis results show that the optimized multiple induction heating method with an arc-shaped frame coil and a cylinder type coil would be helpful to improve the uniformity and sustainability of contact.