Sage Journals: Discover world-class research

Abstract

Sheet metals are used extensively in automotive, aerospace, aircraft, appliance, and furniture industries. Automating material handling of these flexible sheet-metal parts in the stamping process requires attention due to its significant impact on product quality and productivity. The compliance of large sheet-metal blanks can cause their permanent deformation during handling. In addition, the fluctuated deformation on the sheet-metal edges during handling might be a safety issue, such as interfering with the operator or other equipment. This paper presents the use of the non-linear and explicit finite element (FE) technique to formulate a fully flexible dynamic sheet-metal handling model incorporating the motion condition. The influence of the holding end-effecter layout scheme and movability conditions on the final part quality is investigated.

Keywords

flexible multibody dynamics material handling multibody dynamics sheet-metal handling transfer press

Get full access to this article

View all access options for this article.

References

Kuvin

B. V.

Automated transfer brings capacity gains

Metal Forming, 2003, 37(7), 20–22.

Atlas Technology Inc. 2004, http://www.atlastechnologies.com/article.html

Cugini

Denti

Rizzi

Design and simulation of non-rigid materials handling systems

Mathematics and Computers in Simulation, 1996, 41, 587–593.

Ceglarek

H. F.

Tang

Modeling and optimization of end effector layout for handling compliant sheet metal parts

Trans. ASME, J. Mfg Sci. Engng, 2001, 123, 473–480.

H. F.

Ceglarek

Shi

A dexterous partholding model for handling compliant sheet metal parts

Trans. ASME, J. Mfg Sci. Engng, 2002, 124, 109–118.

Lee

J. D.

Haynes

L. S.

Finite element analysis of flexible fixturing systems

Trans. ASME, J. Engng for Industry, 1987, 109, 134–139.

Menassa

DeVries

Locating point synthesis in fixture design. Ann

CIRP, 1989, 38(1), 165–168.

Melkote

S. N.

Athavale

S. M.

DeVor

R. E.

Kapoor

S. G.

Burkey

Prediction of the reaction force system for machining fixtures based on machining process simulation

Trans. NAMRI/SME, 1995, 23, 207–214.

Liao

Stephenson

Fixture layout optimization considering workpiece-fixture contact interaction: Simulation results

Trans. NAMRI/SME, 1998, 26, 341–346.

10.

Mittal

R. O.

Cohen

Gilmore

Dynamic Modeling of the Fixture-Workpiece System

Robotics and Computer-Integrated Mfg, 1991, 8(4), 201–217.

11.

Liao

Frutiger

Design and simulation of compliant sheet-metal handling in transfer press system

Trans. NAMRI/SME, 2005, 33, 327–334.

12.

Shabana

Substructure synthesis method for dynamic analysis of multibody systems

Computer and Structures, 1985, 20, 737–744.

13.

Livermore Software Technology Corporation, http://www.lstc.com

14.

Engineering Technology Associates, Inc., http://www.eta.com

15.

Qiu

Direct integration methods with integral model for dynamic systems

J. Appl. Mathematics and Mechanics, 2001, 22(2), 173–179.

16.

Avallone

E. A.

Baumeister

Marks' standard handbook for mechanical engineers, 9th edition, 1986, pp. 12–135 (McGraw-Hill, New York).

17.

Hallquist

J. O.

LS-DYNA theory manual, 2006, pp. 22. 1–22.3 (Livermore Software Technology Corp., Livermore, California).

18.

Hallquist

J. O.

LS-DYNA theory manual, 2006, pp. 26. 19–26.20 (Livermore Software Technology Corp., Livermore, California).

19.

Harris

C. M.

Shock and vibration handbook, 4th edition, 1995, pp. 11. 8–11.10 (McGraw-Hill, New York).