motor kapaĞinin cad programinda modellenmesİ ve kesme kalibinda
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MOTOR KAPAININ CADPROGRAMINDA
MODELLENMES VE KESMEKALIBINDA RETM
HAZIRLAYAN :Yasemin ERYT
DANIMAN :PROF. DR. KerimETNKAYA
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AMA
Sac levhay ekillendirirken kesilenpara zerinde deformasyonolmamas ve elimizdeki simetrik
paraya zarar vermeden kesmeilemini yapmak.
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MATERYALLER Sac levha Uygun kesme kalb Solidwork premium program
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KALIBIN MODELLENMES
Kesme kalb solidworks program ile tasarlandnce erit yerleim plann oluturuldu.
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Daha sonra matris, zmba, bask plakas, altve st plakalar ve kalbn standart
malzemeleri ( kolon, bur, civata, pim)oluturuldu.
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KESME KALIPLARIKesme kalplarnda zmba ile matris
arasnda kalan malzeme eridine kuvvetuygulanmas sonucunda kesme olay oluur.Zmba ve dii kalp, kalp setinin st ve alttablalarna balanr.
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Zmba plakas zmbann rijit bir ekildealmasn salayacak ekilde st tablayabalanmasn temin eder.
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Kalp seti merkezleme milleri ve burlar daierir. Alt tabla pres tabanna balanr, st tablada pres kafasna balanr. Pres kafasnn
hareketi pres kalp ilemini gerekletirmi olur.
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ZIMBANIN KESME HIZINA GRE APAKOLUUMUNUN NCELENMES:
Eer zmba kuvveti uygulanacakolan kuvvetten kk olursa oluan
malzeme de apak oluumu ok fazlaolur. Hatta malzemenin eklindebozulmalar olabilir. Bu nedenle parayauygulanmas gereken kuvvet ve
zmbann kuvveti birbirine eit olmaldr.Ve zmba ne kadar hzla sac malzemeyevurursa kan malzemenin kenaryzeyleri daha dzgn olur.
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SONU:Bu almada yaplan modelleme
montaj ve animasyonla motor kapa
sacnn nasl retildiini, retimaamasn da neler kullanldngzlemlendi. Kullanlan malzemeler
hakknda gzlem ve aratrmalardabulunuldu.
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TEEKKRLER:Pikosan Sac Plastik Kalp Para
malat San. Ve Tic. Ltd. ti.
alanlarna;Genel Mdr Soner ZKAYA yamalat Mdr Tark DARTAR a
yardmlarndan dolay teekkr eder,sayglarm sunarm.
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KAYNAKLAR:[1] Clift SE, Hartley P, Sturgess CEN. Rowe GW. Fracture prediction in plastic
deformationprocesses. International Journal of Mechanical Sciences 1990;32(1):117.[2] Gouveia BPPA, Rodrigues JMC, Martins PAF. Ductile fracture in metalworking:
experimental and theoretical research. Journal of MaterialsProcessingTechnology 2000;101(13):5263.
[3] Choi, J.C., Kim, C., A compact and practical CAD/CAM system for the blankingor piercing of irregular shaped sheet metal products for progressive working,Journal of Materials Processing Technology, Vol. 110, 36-46, 2001.
[4] H. Ernst, M.E. Merchant, Chip formation friction and high quality machinedsurfaces, in:
Surface Treatment of Metals, ASM, New York, 1941.[5] M.E. Merchant, Basic mechanics of the metal cutting process, J. Appl. Phys. 16
(1945) 318324.
[6] B.E. Klamecki, Incipient chip formation in metal cuttinga threedimension finiteelement
analysis, PhD Dissertation, University of Illinois at Urbana Champaign, 1973[7] G.R. Johnson, W.H. Cook, A constitutive model and data for metals subjected tolargestrain, high strain rates, and high temperature, in: Proceedings of the 7thInternationalSymposium on Ballistics, Am. Def. Ass. (ADPA), Netherlands, 1983, pp. 541
547.
[8] F.J. Zerilli, R.W. Armstrong, Dislocation-mechanics-based constitutive relations formaterial dynamics calculation, J. Appl. Phys. 5 1987 18161825.