Friction drilling uses a rotating conical tool to penetrate the workpiece and create a bushing in a single step without generating chips. This research investigates the three-dimensional (3D) finite element modeling (FEM) of large plastic strain and high-temperature work-material deformation in friction drilling. The explicit FEM code with temperature-dependent mechanical and thermal properties, as well as the adaptive meshing, element deletion, and mass scaling three FEM techniques necessary to enable the convergence of solution, is applied. An inverse method to match the measured and modeling thrust force determines a coefficient of friction of 0.7 in this study. The model is validated by comparing the thrust force, torque, and temperature to experimental measurements with reasonable accuracy. The FEM results show that the peak temperature of the workpiece approaches the work-material solidus temperature. Distributions of plastic strain, temperature, stress, and deformation demonstrate the thermomechanical behavior of the workpiece and advantages of 3D FEM to study of work-material deformation in friction drilling.
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June 2007
Technical Papers
Thermo-Mechanical Finite Element Modeling of the Friction Drilling Process
Scott F. Miller,
Scott F. Miller
Department of Mechanical Engineering,
University of Michigan
, Ann Arbor, MI 48109
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Albert J. Shih
Albert J. Shih
Department of Mechanical Engineering,
University of Michigan
, Ann Arbor, MI 48109
Search for other works by this author on:
Scott F. Miller
Department of Mechanical Engineering,
University of Michigan
, Ann Arbor, MI 48109
Albert J. Shih
Department of Mechanical Engineering,
University of Michigan
, Ann Arbor, MI 48109J. Manuf. Sci. Eng. Jun 2007, 129(3): 531-538 (8 pages)
Published Online: January 3, 2007
Article history
Received:
July 10, 2006
Revised:
January 3, 2007
Citation
Miller, S. F., and Shih, A. J. (January 3, 2007). "Thermo-Mechanical Finite Element Modeling of the Friction Drilling Process." ASME. J. Manuf. Sci. Eng. June 2007; 129(3): 531–538. https://doi.org/10.1115/1.2716719
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