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TECHNICAL PAPERS

An Approach for Modeling Sheet Metal Forming for Process Controller Design

[+] Author and Article Information
C.-W. Hsu, A. G. Ulsoy

Department of Mechanical Engineering and Applied Mechanics, The University of Michigan, Ann Arbor, MI 48109-2125

M. Y. Demeri

Ford Research Laboratories, Ford Motor Company, Dearborn, MI 48121

J. Manuf. Sci. Eng 122(4), 717-724 (Oct 01, 1999) (8 pages) doi:10.1115/1.1286815 History: Received July 01, 1998; Revised October 01, 1999
Copyright © 2000 by ASME
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References

Adamson, A. M., 1995, “Closed-Loop Dimensional Control in Sheet Metal Forming via the Blank Restraining Force,” M.S. thesis, University of Michigan, Ann Arbor, MI.
Adamson,  A., Ulsoy,  A. G., and Demeri,  M., 1996, “Dimensional Control in Sheet Metal Forming via Active Binder Force Adjustment,” Trans. NAMRI/SME, XXIV, pp. 167–178.
Ahmetoglu,  M. A., Altan,  T., and Kinzel,  G. L., 1992, “Improvement of Part Quality in Stamping by Controlling Blank-Holder Force and Pressure,” J. Mater. Process. Technol., 33, pp. 195–214.
Ahmetoglu, M. A., Coremans, A., Kinzel, G. L., and Altan, T., 1993, “In-proving Drawability by Using Variable Blank Holder Force and Pressure in Deep Drawing of Round and Non-Symmetric Parts,” SAE Technical Paper No. 930287.
Ahmetoglu,  M., Broek,  T. R., Kinzel,  G., and Altan,  T., 1995, “Control of Blank Holder Force to Eliminate Wrinkling and Fracture in Deep-Drawing Rectangular Parts,” CIRP Ann., 44, No. 1, pp. 247–250.
Jalkh, P., Cao, J., Hardt, D., and Boyce, M. C., 1993, “Optimal Forming of Aluminum 2008-T4 Conical Cups Using Force Trajectory Control,” SAE Technical Paper No. 930286.
Liu,  Y. C., 1988, “The effect of Restraining Force on Shape Deviations in Flanged Channels,” Trans. ASME, J. Eng. Mater. Technol., 110, pp. 389–394.
Mickalich, M. K., and Wenner, M. L., 1988, “Calculation of Springback and its Variation in Channel Forming Operations,” SAE Technical Paper No. 880526.
Schmoeckel,  D., and Beth,  M., 1993, “Springback Reduction in Draw-Bending Process of Sheet Metals,” CIRP Ann., 42, No. 1, pp. 339–342.
Sunseri, M., Karafillis, A. P., Cao, J., and Boyce, M. C., 1994, “Methods to Obtain Net Shape in Aluminum Sheet Forming Using Active Binder Force Control,” AMD-Vol. 194, Mech. Mater. Process. Manufact., ASME, pp. 167–184.
Ueda,  M., Udno,  K., and Kobayashi,  M., 1981, “A Study of Springback in the Stretch Bending of Channels,” J. Mech. Work. Technol., 5, pp. 163–179.
Zhang, Z. T., and Lee, D., 1995, “Effect of Process Variables and Material Properties on the Springback Behavior of 2D-Draw Bending Parts,” SAE Technical Paper No. 950692.
Hardt,  D. E., and Fenn,  R. C., 1993, “Real-Time Control of Sheet Stability during Forming,” Trans. ASME, J. Eng. Ind., 115, pp. 299–308.
Hsu, C.-W., Demeri, M. Y., and Ulsoy, A. G., 1999, “Improvement of Consistency in Stamped Parts through Process Control,” 1999 TMS Annual Meeting, San Diego, California, Sheet Metal Forming Technology, Demeri, M. Y., ed. pp. 53–76.
Sim,  H. B., and Boyce,  M. C., 1992, “Finite Element Analyses of Real-Time Stability Control in Sheet Forming Processes,” Trans. ASME, J. Eng. Mater. Technol., 114, pp. 180–188.
Siegert,  K., Dannenmann,  E., Wagner,  S., and Galaiko,  A., 1995, “Closed-Loop Control System for Blank Holder Forces in Deep Drawing,” CIRP Ann., 44, No. 1, pp. 251–254.
Siegert, K., Wagner, S., and Ziegler, M., 1996, “Closed Loop Binder Force System,” SAE Technical Paper No. 960824.
Siegert,  K., Ziegler,  M., and Wagner,  S., 1997, “Closed Loop Control of the Friction Force. Deep Drawing Process,” J. Mater. Process. Technol., 71, pp. 126–133.
Demeri,  M. Y., 1993, “Drawbeads in Sheet Metal Forming,” J. Mater. Eng. Perform., 2, No. 6, pp. 863–866.
Cao, J., and Boyce, M. C., 1993, “Draw Bead Penetration as a Control Element of Material Flow,” SAE Technical Paper No. 930517.
Michler,  J. R., Weinmann,  K. J., Kashani,  A. R., and Majlessi,  S. A., 1994, “A Strip-Drawing Simulator with Computer-Controlled Drawbead Penetration and Blankholder Pressure,” J. Mater. Process. Technol., 43, pp. 177–194.
Hao,  S., Ramalingam,  S., and Klamecki,  B. E., 1997, “Sheet Metal Forming Process Control Using an Active Drawbead,” Trans. NAMRI/SME, XXV, pp. 43–48.
Majlessi,  S. A., Kashani,  A. R., and Weinmann,  K. J., 1992, “Stamping Process Modelling for Real-Time Control,” Trans. NAMRI/SME, XX, pp. 33–38.
Hsu, C.-W., Ulsoy, A. G., and Demeri, M. Y., 1998, “Modeling for Control of Sheet Metal Forming,” 1998 Japan-USA Symposium on Flexible Automation, Otsu, Japan, Proceedings, Vol. III, pp. 1143–1148.
Wang, X. J., Tang, D., Tang, X. A., Liu, J., and Chu, E., 1996. “Development of a New Universal Friction Test for Sheet Forming,” NUMISHEET’96, pp. 55–60.
Hao, S., Ramalingam, S., and Klamecki, B. E., 1995, “Measuring and Modeling Friction for Sheet Metal Forming Process Analysis and Control,” MED-Vol. 2-2/MH-Vol. 3-2, Manuf. Sci. Eng., ASME, 1213–1226.
Anand,  L., and Tong,  W., 1993, “A Constitutive Model for Friction in Forming,” CIRP Ann., 42, No. 1, pp. 361–366.
Schey, J. A., and Watts, S. W. A., 1992, “Transient Tribological Phenomena in Drawbead Simulation,” SAE Technical Paper No. 920634.

Figures

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Schematic of a stamping process
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Process control of sheet metal forming
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Block diagram of the sheet metal forming model
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Schematic response of Fp to Fb with a step change
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Tooling for u-channel forming
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Experimental blank holder force trajectories
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Experimental punch force trajectories for constant blank holder force
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Resultant model parameters, α and τ
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Experimental and predicted punch force trajectories for variable blank holder force with a step change
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Experimental and predicted punch force trajectories for continuously variable blank holder force
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Development of friction in drawing bare steel with neat mineral oil 28. The abscissa represents draw length.

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