Excessive coil deformation can complicate normal handling of a wound or rolled coil, cause difficulties in mass production, and introduce undesirable variations in the subsequent manufacturing processes. Four critical factors for coil deformation have been identified, i.e., radial stiffness of the coil material, winding tension, stiffness of the core which supports the coil, and lubrication. In this paper, we advance the understanding of coil deformation by developing an equivalent material model based on the internal stress distribution obtained from a two-dimensional winding-analysis model. The proposed material model is then implemented in a multi-layer finite element model to study the coil deformation under gravitational loading. This proposed framework can quantify the contribution of each factor in the coil deformation and thereby provide more scientific base in the engineering design process. The approach is used to analyze the deformation of laminate sheet coils.
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e-mail: jcao@northwestern.edu
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July 2004
Technical Papers
A Hybrid Approach for Quantifying the Winding Process and Material Effects on Sheet Coil Deformation
Shunping Li,
Shunping Li
Department of Mechanical Engineering, Northwestern University, Evanston, IL
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Jian Cao
e-mail: jcao@northwestern.edu
Jian Cao
Department of Mechanical Engineering, Northwestern University, Evanston, IL
Search for other works by this author on:
Shunping Li
Department of Mechanical Engineering, Northwestern University, Evanston, IL
Jian Cao
Department of Mechanical Engineering, Northwestern University, Evanston, IL
e-mail: jcao@northwestern.edu
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division June 10, 2003; revision received February 17, 2004. Associate Editor: A. M. Rajendran.
J. Eng. Mater. Technol. Jul 2004, 126(3): 303-313 (11 pages)
Published Online: June 29, 2004
Article history
Received:
June 10, 2003
Revised:
February 17, 2004
Online:
June 29, 2004
Citation
Li , S., and Cao, J. (June 29, 2004). "A Hybrid Approach for Quantifying the Winding Process and Material Effects on Sheet Coil Deformation ." ASME. J. Eng. Mater. Technol. July 2004; 126(3): 303–313. https://doi.org/10.1115/1.1753265
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