ISSN: 2250-3005 - ijcer

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International Journal Of Computational Engineering Research (ijceronline.com) Vol. 2 Issue. 8Fig. 10: Contour plot for stress (N/sq mm) for model 27. ConclusionsIn this paper, a method to simulate a drawing process in ANSYS was explained. In this simulation work the finite elementanalysis is done on the conical back plate of the impellers Over the course of this work two models were built and tested, thesewere:Model No. 1: For M.S. Plate having thickness 3 mm, a 2-D Axisymmetric solid model built using all PLANE 42 elements, 30degree punch nose angle used.Model No. 1: For M.S. Plate having thickness 5 mm, a 2-D Axisymmetric solid model built using all PLANE 42 elements, 43degree punch nose angle used.Following results can be deduced from this effort:(1.) With simulation via FEM, designers can estimate field variables such as stress distribution. This information enhances thedesign capability and knowhow of an experienced process designer and leads to a reduced number of die -tryout tests. We concludethat referring on space state of stress, the location of affected zones were established, which be helpful in punch/ die design anddesign of other parameters such as punch force, blank holder force etc(2) The distribution of stress of the drawn component presented.(3 ) It is also concluded that ANSYS 12.0 is a very capable finite element software package, which can ha ndle contact, plasticityand large deflection nonlinearities very accurately. Thus, forming processes can easily and accurately be modeled in ANSYS.(4) It was concluded that, by using FEM, it is possible to produce successful conical shape products.(5) By using a specialized software, one can be save time and other costs on research work. These simulation and analyses,presented here, suggests that, expensive way to find materials behavior by punch, die and experimental set up can be avoided byusing specialized software.However errors due to material properties may vary from coil to coil and affect the result. Finite element analysis determine s anapproximate solution of the problem modeled which have errors, these errors generally result from simplifications to the geometry,boundary conditions, material properties, loading and friction and as well as the discretization errors are a consequence ofrepresenting a continuum by a finite number of elements.8. Suggestions For Future WorkThroughout the study it is observed that some of the areas can further be investigated and can be developed. In thepresented study, the experiments were performed on the conical shape only. But the behavior of semi-circular, rectangular andtriangular shape can be analyzed. In the current study the material is considered isotropic, a study can be developed by consideringthe anisotropy of the material. Material can be taken other than mild steel. A majority of products of automobile and aircraftindustry are manufactured by drawing process. Products of these industries can be taken for analysis work. Investigations onnonsymmetric workpieces can be conducted. Different element models can developed. Remeshing can be applied.||Issn 2250-3005(online)|| ||December||2012|| Page 235
International Journal Of Computational Engineering Research (ijceronline.com) Vol. 2 Issue. 8References[1] Saad Theyyab Faris, Study of the stress and strain distribution during deep drawing and ironing process of metals with acircular profiled die, Diyala Journal of Engineering Sciences, ISSN 1999-8716, Vol. 02, No. 01, June 2009, pp. 80-95[2] M. Afteni, M. Banu, V. Paunoiu, I. Constantin, Numerical and experimental investigations of the nickel thin sheets microdeepdrawing process, The annals of “dunărea de jos” university of galaţi fascicle v, technologies in machinebuilding,ISSN 1221- 4566, 2011, pp 149[3] Dr.Sc. Amra Tali ikmi, Muamer Trako, Mladen Karivan, Finite element analysis of deep drawing, 14th InternationalResearch/Expert Conference, Trends in the Development of Machinery and Associated Technology, TMT 2010A,September 2010, pp-11-18[4] Eric T. Harpella,1, Michael J. Worswickb, Mark Finnc, Mukesh Jainc, Pierre Martind,Numerical prediction of thelimiting draw ratio for aluminum alloy sheet, ELSEVIER, Journal of Materials Processing Technology 100 (2000),2000,pp 131-141[5] L.F. Menezes and C. Teodosiu, Three-dimensional numerical simulation of the deep-drawing process using solid fniteelements, ELSEVIER, Journal of material processing technology 97(2000), 2000,pp 100 -106[6] Abdolhamid Gorji & Hasan Alavi-Hashemi & Mohammad Bakhshi-jooybari & Salman Nourouzi & Seyed JamalHosseinipour, Investigation of hydrodynamic deep drawing for conical–cylindrical cups, Int J Adv Manuf Technol (2011)56:915–927,DOI 10.1007/s00170-011-3263-0, Springer-Verlag London Limited ,2011,pp 915–927[7] Laxmiputra M Nimbalkar, Sunil Mangshetty, Analyzing the Effect of Blank Holder Shape in Deep Drawing ProcessUsing Fem, International Journal of Engineering Research and Development e-ISSN: 2278-067X, p-ISSN: 2278-800X,Volume 4, Issue 1, October 2012, pp. 23-28.[8] I.Burchitz, Springback: improvement of its predictability, Project, NIMR project number MC1.02121, Strategic Researchprogramme of the Netherlands Institute for Metals Research, March 2005, pp 1-13[9] Serhat Yalçin, Analysis and modeling of plastic wrinkling in deep drawing, Thesis, Middle east technical university,September 2010,pp 31-34[10] Hakim S. Sultan Aljibori, 2009, Finite Element Analysis of Sheet Metal Forming Process, European Journal of ScientificResearch, Euro Journals Publishing, Inc. 2009,ISSN 1450-216X Vol.33 No.1, (2009), pp.57-69[11], Dr. R. Uday Kumar, Finite element anlysis of evaluation of radial stresses in hydro -assisted deep drawing process,International journal of pure and applied research in engineering and technology, IJPRET, Volume 1(2):, ISSN: 2319-507X, 2012, pp 1-10[12] GAO En-zhi, LI Hong-wei, KOU Hong-chao,CHANG Hui, LI Jin-shan, ZHOU Lian, 2009, Science direct, Transaction ofnon ferrous metals society of china, 19 (2009),pp 433-437[13] IS 2062:1999, Indian standard specification code for Mild Steel, Indian standard,Steel for general structural purposes –specification (fifth revision),second reprint January 2002,pp 2-5 3, 20||Issn 2250-3005(online)|| ||December||2012|| Page 236
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