Plastik Enjeksiyon Kalıpçılığında Üründeki Kaynak Yeri Probleminin Deneysel Olarak İncelenmesi
Year 2004,
Volume: 6 Issue: 2, 88 - 98, 01.11.2004
Babür Özçelik
Recep Uyaroğlu
Abstract
Bu çalışmada, plastik enjeksiyon
kalıplama metoduyla üretilen parçaların üstünde meydana gelen ve plastik
ürünlerin görünümünü ve dayanımını önemli ölçüde etkileyen kaynak yeri problemi
incelenmiştir. Değişik şekillere sahip iki parçayı aynı anda basabilen bir
enjeksiyon kalıbı tasarlanılmış ve üretimi yapılmıştır. Plastik parçalarda
kaynak yerine etki eden; ütüleme süresi, enjeksiyon basıncı ve enjeksiyon
süresi gibi parametrelerin farklı değerleri için numuneler elde edilmiştir.
Örnek parçaların kaynak yerleri mikroskopta incelenmiş ve MPI analiz
programından elde edilen kaynak yeri koordinatlarıyla, deneysel olarak elde
edilen kaynak yeri koordinatları karşılaştırılmıştır. Sonuç olarak; yükseltilen
ütüleme süresi, enjeksiyon basıncı ve enjeksiyon süresinin parçaların üstünde
meydana gelen kaynak yerinin genişliğini ve yerini olumlu etkilediği
görülmüştür.
References
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- 2. Hsieh T., Hsu D. C., Lin A. S., Day A. G., Chang R. Y., Improvement of Pentium — II Connector Support Design By CAE Tool, Hua—Seng Co., CoreTech System Co., National-Tsing Hua University, Taiwan, www.moldex3d.com/en/services/paper/antec/200 0/0515.PDF
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- 10. Kagan V. A., Optimized Mechanical Performance of Welded and Molded Butt Joints: Part I — Similarities and Differences, www.honey wel I-plastics.comiliterateruitechpapers/0064.pdf
- 11. Kagan V.A., "Optimized Mechanical Performance of Welded and Molded Butt Joints: Part II — Weld and Knit Lines Integrity", www.honeywell-plastics.comiliterature/techpapers/1063.pdf
- 12. Kagan V. A., Mazza J., Palley I., "Optimizing Mechanical Performance of Injection Molded Multiple Gated Rotating Thermoplastic Components: Part I — Consideration of Structural Analyses and Knit Line (Weldline) Effects", www.honeywell-plastics.com/literature/techpapers/sae.pdf
- 13. Koster R. P., Importance of Injection Molding Parameters for Mechanical Performance of Cold Flow Weld Lines, Journal of Injection Molding Technology, Vol. 3, No. 3, pp. 154 — 158, 1999.
- 14. Chung Y. H., Kato K., Otake N., Melt Front Surface Asperity and Welding- Defect Generation in Ceramic Injection Molding, Journal of Materials Processing Technology, 111, pp. 219 — 224, 2001.
- 15. Hrishikesh, K., Turng L.-S., Spindler, R., Study pf Weldline-Line Strength and Microstracture of Injection Molded Microcellular Parts, Paper Draft for SPE ANTEC 2002, pp. 1-5.
- 16. Merhar C. F., Beiter K. A., Ishii K., Weld-line Strenght in Injection Molded PVC Parts, The Ohio State University, Columbus, www.mml.stanford.edu./Research/Papers/1994/p apers94
- 17. Kim S. G., Suh N. P., Performance Prediction of Weldline Structure in Amorphous Polymers, Polymer Engineering and Science; Vol.26, No. 17, pp. 1200 — 1207, 1986.
- 18. Uyaroğlu R., Plastik Enjeksiyon Kalıpçılığında Kaynak Yeri Probleminin (Weldline) incelenmesi, Yüksek Lisans Tezi, Tasarım ve imalat Müh. Böl., Gebze Yüksek Teknoloji Enstitüsü, 2003.
Year 2004,
Volume: 6 Issue: 2, 88 - 98, 01.11.2004
Babür Özçelik
Recep Uyaroğlu
References
- 1. Mills N. J., Plastics, Microstructure and Engineering — Applications — Second Edition, pp. 133 — 134, 1993.
- 2. Hsieh T., Hsu D. C., Lin A. S., Day A. G., Chang R. Y., Improvement of Pentium — II Connector Support Design By CAE Tool, Hua—Seng Co., CoreTech System Co., National-Tsing Hua University, Taiwan, www.moldex3d.com/en/services/paper/antec/200 0/0515.PDF
- 3. Yao D. G., Kim B., Direct — Search — Based Automatic Minimization of Weldlines in Injection — Molded Parts, Polymer — Plastics Technology and Engineering, 37 (4), pp. 509 — 525, 1998.
- 4. Ogadhoh S. O., Papathanasiou T. D., On Microstructure At The Weldline in Injection Moulded Particulate Composites, Scripta Materialia, Vol.37, No.8, pp. 1143 — 1149, 1997.
- 5. GE Plastics Injection Molding Mini Guide, pp. 65 — 66, 1998, www.geplastics.com
- 6. Fellahi S., Fisa B., Favis B. D., Weldline Strenght in Injection Molded HDPE / PA6 Blends: Influence of Interfacial Modification, Journal of Applied Polimer Science, Vol.57, pp. 1319 — 1332, 1995.
- 7. Tomari K., Harada T., Maekawa Z., Hamada H., Iwamoto M., Ukai A., Fracture Toughness of Weldline,s in Thermoplastic Injection Molding, Polymer Engineering and Science, Vol.33, No.15, pp. 996 — 1001, 1993.
- 8. Beall G., Weldlines, www.imrrınet.comiarticlelibrary/archive/getOne Article.php3?getArtID=1577
- 9. Chun D. H., Cavity Filling Analyses of Injection Molding Simulation: Bubble and Weld Line Formation, Journal of Materials Processing Technology, 89-90, pp. 177 —181, 1999.
- 10. Kagan V. A., Optimized Mechanical Performance of Welded and Molded Butt Joints: Part I — Similarities and Differences, www.honey wel I-plastics.comiliterateruitechpapers/0064.pdf
- 11. Kagan V.A., "Optimized Mechanical Performance of Welded and Molded Butt Joints: Part II — Weld and Knit Lines Integrity", www.honeywell-plastics.comiliterature/techpapers/1063.pdf
- 12. Kagan V. A., Mazza J., Palley I., "Optimizing Mechanical Performance of Injection Molded Multiple Gated Rotating Thermoplastic Components: Part I — Consideration of Structural Analyses and Knit Line (Weldline) Effects", www.honeywell-plastics.com/literature/techpapers/sae.pdf
- 13. Koster R. P., Importance of Injection Molding Parameters for Mechanical Performance of Cold Flow Weld Lines, Journal of Injection Molding Technology, Vol. 3, No. 3, pp. 154 — 158, 1999.
- 14. Chung Y. H., Kato K., Otake N., Melt Front Surface Asperity and Welding- Defect Generation in Ceramic Injection Molding, Journal of Materials Processing Technology, 111, pp. 219 — 224, 2001.
- 15. Hrishikesh, K., Turng L.-S., Spindler, R., Study pf Weldline-Line Strength and Microstracture of Injection Molded Microcellular Parts, Paper Draft for SPE ANTEC 2002, pp. 1-5.
- 16. Merhar C. F., Beiter K. A., Ishii K., Weld-line Strenght in Injection Molded PVC Parts, The Ohio State University, Columbus, www.mml.stanford.edu./Research/Papers/1994/p apers94
- 17. Kim S. G., Suh N. P., Performance Prediction of Weldline Structure in Amorphous Polymers, Polymer Engineering and Science; Vol.26, No. 17, pp. 1200 — 1207, 1986.
- 18. Uyaroğlu R., Plastik Enjeksiyon Kalıpçılığında Kaynak Yeri Probleminin (Weldline) incelenmesi, Yüksek Lisans Tezi, Tasarım ve imalat Müh. Böl., Gebze Yüksek Teknoloji Enstitüsü, 2003.