Design and finite element analysis of innovative tooling elements (stress pins) to prolong die life and improve dimensional tolerances in precision forming processes

Journal of Materials Processing Technology

Volumn 142, Issue 3, 2003, Pages 773-785

  Koç, Muammer ^a   Arslan, Mehmet A ^b  

^a UNIVERSITY OF MICHIGAN   (United States)

^b Qual Eng and Software Technologies   (United States)

Author keywords

Dimensional tolerance; FEA; Stress pins

Indexed keywords

DIES; FINITE ELEMENT METHOD; FITS AND TOLERANCES; FORGING; FORMING;

PRECISION FORMING;

STRESS ANALYSIS;

EID: 0141993770     PISSN: 09240136     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0924-0136(03)00647-2     Document Type: Article

References (40)

1. Knoerr M., Lange K., Altan T. Fatigue failure of cold forging tooling. J. Mater. Process. Technol. 46:1989;57.
2. Kocanda A. Die steel and warm working - an evaluation of resistance to cyclic loading. Adv. Technol. Plasticity. 1:1990;349.
3. U. Engel, C. Hinsel, Tool life in cold forging, in: Proceedings of the 28th ICFG Meeting, Denmark, 1995.
4. Lange K., Hettig A. Increasing tool life in cold forging through advanced design and tool mfg. techniques. J. Mater. Process. Technol. 35:1992;3.
5. SAE - Fatigue Design Handbook, AE-10, 1988.
6. Sadeghi M.H., Dean T.A. Analysis of dimensional accuracy of precision forged axisymmetric components. J. Int. Mech. Eng., Part B. 205:1991;171.
7. S. Araki, T. Satoh, et al., Application of powder forging to automotive connecting rods, Kobelco Tech. Rev. (16) (1993) 20.
8. Lange K., Hettig A. Increasing tool life in cold forging through advanced design and tool mfg. techniques. J. Mater. Process. Technol. 35:1992;3.
9. Siegert K., Ringhand D. Flashless and precision forging of connecting rods from P/M aluminum alloys. J. Mater. Process. Technol. 46:1994;157.
10. Green A.P., Lancaster P.R. Design of a composite drawing die with a brittle insert. Int. J. Mech. Sci. 8:1966;281.
11. Wanheim T., Balendra R., Qin Y. Extrusion die for in-process compensation of component-errors due to die elasticity. J. Mater. Process. Technol. 72:1997;177-182.
12. K.F. Hoffman, T. Altan, Investigation of die stresses and die deflections in forging axisymmetric parts, Steel Res. (6) (1989) 255-262.
13. Doege E., Nagele H. FE simulation of precision forging process of bevel gears. Ann. CIRP. 43(1):1994;241-243.
14. O. Eyercioglu, T.A. Dean, Design and manufacture of precision gear forging dies, in: Proceedings of the International Conference and Exhibition on Design and Production of Dies and Molds, Birmingham, UK, 1997.
15. International Cold Forging Group (ICFG), Calculation methods for cold forging tools, Document no: 5/82, CIRP, Paris, France.
16. International Cold Forging Group (ICFG), Die assemblies for cold extrusion of steel, Data sheet no: 6/72, Source Book on Cold Forming, SAM, Metals Park, OH, pp. 311-320.
17. K. Laue, H. Stenger, Extrusion, Process, Machinery and Tooling, ASM, Metals Park, OH, 1982, pp. 350-400.
18. Ou H., Balendra R. Die elasticity for precision forging of aerofoil sections with FE simulations. J. Mater. Process. Technol. 76:1998;56.
19. Qin Y., Balendra R. FE simulation of the influence of die elasticity on component dimension in forward extrusion. Int. J. Mach. Tool Manuf. 32:1997;185.
20. Lapovk R. Improvement of die life by minimization of damage accumulation and optimization of perform design. J. Mater. Process. Technol. 80-81:1998;608.
21. Akgerman N., Becker J., Altan T. Preform design in closed-die forging. Metall. Met. Form. 40:1973;135.
22. Kim N., Kobayashi S. Preform design in H-shaped cross-sectioned. Int. Mach. Tool Manuf. 30(2):1990;243.
23. Vazquez V., Altan T. Die design for flashless forging of complex parts. J. Mater. Process. Technol. 98:2000;81.
24. Zhao G., Wright E., Grandhi R. Preform die shape design in metal forming using and optimization method. J. Numer. Meth. Eng. 40:1997;1213.
25. Kim H.Y., Kim D.W. Computer-aided perform design in the closed-die forging process. J. Mater. Process. Technol. 41:1994;83.
26. T. Altan, et al., Forging equipment, materials and practices, Metals and Ceramics Information Center, October 1973, p. 437.
27. F. Hobrath, Design of tooling for high pressure applications, in: Proceedings of the SME Conference on Cold Forming Technology, Dearborn, MI, USA, April 5-6, 1989.
28. Groenbaek J., Birker T. Innovations in cold forging die design. J. Mater. Process. Technol. 98:2000;155.
29. M. Koç, T. Altan, An overall review of hydroforming technology, J. Mater. Process. Technol. (2000).
30. Weber M. Comparison of advanced procedures and economics of production of connecting rods. PMI. 25(3):1993;125.
31. D. Bankovic, D. Yeager, Powder forging makes a better con-rod, Adv. Mater. Process. (8) (1994) 26.
32. R. Chernenkoff, D.W. Hall, et al., Con-rod powder reveals quality consistency, Met. Powder Rep. (1994) 34.
33. K. Richter, et al., Single-sintered con-rods-an illusion, Met. Powder Rep. (1994) 28.
34. T. Imura, et al., Applications of MMC for con-rod and cylinder blocks, Trans. Jpn. Foundrymen's Soc. 1 (1992).
35. K. Lange, Metal Forming Handbook, SME, 1988, p. 11.110.
36. A. Birkert, Tool and part design for hydroforming, in: Proceedings of the International Conference on Hydroforming, Stuttgart, Germany, October 1999, pp. 12-13.
37. http://www.usinor.fr .
38. Personal communications with several hydroform part suppliers through Hydroforming Consortium at the ERC/NSM of the Ohio State University, 1997-1999.
39. J.A. Collins, Failure of Materials in Mechanical Design, Wiley, New York, 1993, pp. 151-155.
40. ANSYS Inc., http://www.ansys.com .