Gebze Technical University

CAM (Computer Aided Manufacturing) Laboratory

Laboratory Name	CAM (Computer Aided Manufacturing) Laboratory
Laboratory Responsible	Assoc. Prof. Dr. Babür ÖZÇELİK
Department	Mechanical Engineering Department
Telephone	262 6051811
Address	GYTE Çayırova Campus G Blok
General Information	• Conducting of project associated with metal cutting, • Conducting of graduate studies,• Conducting metal cutting processes for our department and other departments • Studies from the industrial demands are the activities carried out in this laboratory.
Laboratory Staff	Research Assistant Emel KuramSpecialist Murat DalTechnician Önder GEDİK
Applications	CAD/CAM Laboratory• Machinability experiments of various engineering materials • Tool wear and tool life researches • Process optimization• Measurements of cutting force, torque, surface roughness, tool wear.
Equipment	Equipments found in laboratory: 1. Machining Centre A DECKEL MAHO DMU 60 P five axis machining centre has been found (Figure 1.). Technical specifications of machining centre are shown in Table 1.Figure 1. DECKEL MAHO DMU 60 P five axis machining centre.Table 1. Technical specifications of five axis machining centre.WORK AREA X Axis / Y Axis / Z Axis 600 mm / 700 mm / 550 mmPART CLAMPING MECHANISMS NC Swivel Rotary Table Clamping Surface Ø 360 mmRotation Range 360°Swivel Range (To Spindle) -45/30°Loading Capacity 500 kgMAIN DRIVE Drive Type Spindle speed adjustable, integrated spindle digital controlled AC servo motorSpindle Speed 20-12000 rpmSpindle Bearing Diameter (Front) 80 mmTool Holder ISO 40 DIN 6987Puller Pin DIN 69872-BPuller Force 11 kNFEED DRIVES Drive Type Brushless, digital controlled AC servo motorsFeed 1-10000 mm/minRapid Feed 24 m/minFeed Force 10/10/10 kN2. MicroscopesTool wear is measured using Nikon SMZ800 optic microscope at 50x magnification (Figure 2.). Figure 2. Nikon SMZ800 microscope.3. DynamometerCutting forces at metal cutting processes are measured using KISTLER 9257B type dynamometer (Figure 3.). Technical specifications of dynamometer are shown in Table 2. Force values measured with dynamometer can be saved as graphically using DynoWare software. Figure 3. KISTLER 9257B dynamometer.Table 2. Technical specifications of KISTLER 9257B dynamometer.SPECIFICATIONS SYMBOL UNIT VALUESMeasuring range Fx, Fy, Fz kN ±5Sensitivity Fx, FyFz pC/NpC/N ≈-7.5≈-3.7Natural frequency fnx, fnyfnz kHzkHz ≈2.3≈3.5Operating temperature range ºC 0 … 70Length x Width x Height L x W x H mm 170x100x60Weight Kg 7.3Protection class (EN 60529) IP67Experimental set-up associated with force test data in metal cutting process is shown in Figure 4. Figure 4. Schematic illustration of experimental set-up. 4. Surface Roughness Measurement DeviceRoughness measurement of machined surfaces is carried out with Mitutoyo Surftest SJ 301 type portative surface roughness measurement device (Figure 5.). Technical specifications of surface roughness measurement device are given in Table 3. Figure 5. Surface roughness measurement device.Table 3. Technical specifications of surface roughness measurement device.Measurement principle Stylus methodStylus tip radius 5µmMeasuring force 4 mN (0,4 gf)Standard ISO 1997Filter GaussMeasuring speed 0.5 mm/s1. Project No: 107M164 (TÜBİTAK Project) Project title: Development of vegetable oil-based metal cutting fluid and its application for use in the metalworking industry. Project coordinator: Assoc. Prof. Dr. Babür ÖZÇELİKBudget:178.000 TL (Researchers: Assoc. Prof. Dr. Erhan Demirbaş, Prof. Dr. Mahmut Bayramoğlu, Assoc. Prof. Dr. Mehmet Kobya). Start: 1 September 2007, End: 1 September 2010. 2. Project No: 2005-A-17 (GYTE, BAP Project) Project title: In high speed dry milling and drilling of steel and gray cast iron, performances and limitations of drill and cutting tools coated solid lubricant (Mos2/Ti, Most,Tin-Mos2, Tialn-Mos2 Ve Tib2) obtained with PVD magnetic splash method. Project coordinator: Assoc. Prof. Dr. Babür ÖZÇELİKBudget: 6.060 TL (Researcher: Eyüp Bağcı). Start: 06.06.2005. End: February 2008. 3. Project No: 2009-A-20 (GYTE, BAP Project) Project title: The effect on the surface roughness and tool wear of the different tool holders in the milling. Project coordinator: Assoc. Prof. Dr. Babür ÖZÇELİKBudget: 9.000 TL (Researchers: Bilgin Tolga Şimşek and Emel Kuram). Start: 13 June 2009. End: January 2011 International journal articles produced from projects and graduate thesis in this laboratory:A. Articles published in international refereed journals:A1. Babur Ozcelik, Emel Kuram, M. Huseyin Cetin, Erhan Demirbas, Experimental investigations of vegetable based cutting fluids including extreme pressure during turning of AISI304L " Tribology International, 44 (12): 1864-1871, 2011. A2. I. N. Tansel, M. Demetgul, K. Bickraj, B. Kaya and B. Ozcelik, Basic computational tools and mechanical hardware for torque-based diagnostic of machining operations, Journal of Intelligent Manufacturing, DOI: 10.1007/s10845-011-0550-4, Online First™. A3. I. N. Tansel & M. Li & M. Demetgul & K. Bickraj &B. Kaya & B. Ozcelik, Detecting chatter and estimating wear from the torque of end milling signals by using Index Based Reasoner (IBR), Int J Adv Manuf Technol, Received: 21 October 2009 / Accepted: 8 July 2010. DOI 10.1007/s00170-010-2838-5.A4. M. Huseyin Cetin, Babur Ozcelik, Emel Kuram, Erhan Demirbas, Optimization of vegetable based cutting fluids with extreme pressure and cutting parameters during turning using design of experiment, Journal of Cleaner Production 19 (17-18) (2011) 2049-2056.A5. M. Hüseyin ÇETİN ve Babür ÖZÇELİK, AISI304 Çeliklerin Tornalanmasında EP Katkılı Karma Bitkisel Esaslı Kesme Sıvılarının Performansı, Gazi Uni. Müh. Mim. Fak. Der. (J. Fac. Eng. Rrch. Gazi Univ.) 26 (3) (2011), 581-589 (SCIE Dergisi).A6. Emel KURAM, Babur OZCELIK, Erhan DEMIRBAS, Emrah ŞIK and İbrahim N. Tansel, Evaluation of New Vegetable Based Cutting Fluids on Thrust Force and Surface Roughness in Drilling of AISI 304 using Taguchi Method, Materials and Manuf. Process., 26:9 (2011), 1136-1146. A7. Babur OZCELIK, Emel KURAM, Bilgin Tolga SIMSEK, Comparison of Dry and Wet End Milling of AISI 316 Stainless Steel, Materials and Manuf. Process., 26:8 (2011), 1041-1049.A8. Babur OZCELIK, Emel KURAM, Erhan DEMIRBAS and Emrah ŞIK, Optimization of surface roughness in drilling using vegetable based cutting oils developed from sunflower oil, Industrıal Lubrication and Tribology, 63/4 (2011) 271–276.A9. Bagci E, Ozcelik B., Effects of different cooling conditions on twist drill temperature, International Journal of Advanced Manufacturing Technology 34 (9-10): 867-877 OCT 2007.A10. Bagci E, Ozcelik B., Influence of cutting parameters on drill bit temperature in dry drilling of AISI 1040 steel material using statistical analysis, Industrial Lubrication and Tribology 59 (4): 186-193 2007. A11. Ozcelik B, Bayramoglu M., “The statistical modeling of surface roughness in high-speed flat end milling” International Journal of Machine Tools & Manufacture 46 (12-13): 1395-1402 OCT 2006.A12. Ozcelik B, Bagci E., “Experimental and numerical studies on the determination of twist drill temperature in dry drilling: A new approach”, Materials and Design 27 (10): 920-927 2006.A13. Bagci E, Ozcelik B., ”Analysis of temperature changes on the twist drill under different drilling conditions based on Taguchi method during dry drilling of Al 7075-T651” International Journal of Advanced Manufacturing Technology 29 (7-8): 629-636 JUL 2006.A14. Bagci E, Ozcelik B., “Finite element and experimental investigation of temperature changes on a twist drill in sequential dry drilling”, International Journal of Advanced Manufacturing Technology 28 (7-8): 680-687 APR 2006.A15. Bagci E, Ozcelik B., “Investigation of the effect of drilling conditions on the twist drill temperature during step-by-step and continuous dry drilling”, Materials & Design 27 (6): 446-454 2006. A16. I.N. Tansel, B. Ozcelik, W.Y. Bao, P. Chen, D. Rincon, S.Y. Yang and A. Yenilmez, “Selection of optimal cutting conditions by using GONNS”, International Journal of Machine Tools & Manufacture 46 (1): 26-35 Jan 2006.A17. Ozcelik B, Oktem H, Kurtaran H., “ Optimum surface roughness in end milling Inconel 718 by coupling neural network model and genetic algorithm”, International Journal of Advanced Manufacturing Technology 27 (3-4): 234-241 DEC 2005.A18. Ozcelik B, Erzincanli F., “Examination of the movement of a woven fabric in the horizontal direction using a non-contact end-effector”, International Journal of Advanced Manufacturing Technology 25 (5-6): 527-532 2005.A19 B. Ozcelik, F. Erzincanli and F. Findik, “Evaluation of Handling Results of various Materials using a Non-contact End-effector”, Industrial Robot: An International Journal, vol: 30, no: 4, pp. 363-369, 2003.A20. B. Ozcelik, and F. Erzincanli, “A non-contact end-effector for the handling of garments”, Robotica, vol. 20, issue 4, pp. 447-450, 2002.B. Proceedings presented at international scientific meetings and published at proceedings books:B1. Emel KURAM, Bilgin Tolga SIMSEK, Babur OZCELIK, Erhan DEMIRBAS, Sule ASKIN ,Optimization of the cutting fluids and parameters Using Taguchi and ANOVA in milling, The World Congress on Engineering 2010, (WCE 2010), Volume II, pp. 1292-1296, 30 June - 2 July, London, U.K., (2010). B2. Emel KURAM, Babur OZCELIK, Erhan DEMIRBAS, Emrah ŞIK, Effects of the cutting fluid types and cutting parameters on surface roughness and thrust force, The World Congress on Engineering 2010, (WCE 2010), Volume II, pp. 1312-1315, 30 June - 2 July, London, U.K., (2010). B3. Kimberly Bickraj, Mustafa Demetgul, Ibrahim N. Tansel, Bulent Kaya, Babur Ozcelik, “Detection of the Development of Chatter in End Milling Operations By Using Index Based Reasoning (IBR)” Proceedings of ECTC 2008, 2008 ASME Early Career Technical Conference October 3-4, 2008, Miami, Florida, USA.B4. Kimberly Bickraj, Bulent Kaya, Ahmet Yapici, Ming Li, Ibrahim N. Tansel, Babur Ozcelik “Inspection of Chatter Damage in End Milling Operations by Using Wavelet Transformations” Fifth LACCEI International Latin American and Caribbean Conference for Engineering and Technology (LACCEI’2007)Developing Entrepreneurial Engineers for the Sustainable Growth of Latin America and the Caribbean: Education, Innovation, Technology and Practice”29 May-1 June2007, Tampico, México.B5. H. Oktem and B. Ozcelik, “Experimental Work for Three and Five-Axis Machining of Sculptured Surfaces” METFAB 2003, International Conference on Metal Fabrication and Welding Technology, pp: 199-211, Nottingham, UK, September 16-18, 2003. B6. E. Bagci and B. Ozcelik, “An Analysis of Orthogonal Cutting Under Different Rake Angles Using the Finite Element Method”, 3rd International Advanced Technologies Symposium, Vol: 2, pp: 106-117, Ankara-Turkey, August 18-20, 2003.B7. B. Ozcelik and F. Erzincanli, “End-Effector Design for Lifting of Fabrics One-by-One from a Stack in the Textile Sector”, FCRAR2002, The 15th Florida Conference on Recent Advances in Robotics, Florida International University, Miami, Florida, USA, May 23rd- May 24th, 2002.C. Articles published in national refereed journals :C1. Babür ÖZÇELİK, Emel KURAM, Alparslan SERT, Düzlem Yüzey Frezelemede Takım Tutucuları ve Kesme Parametrelerinin Yüzey Pürüzlülüğüne Etkisi, Makine Teknolojileri Elektronik Dergisi, Cilt: 8, No: 1, 2011 (1-13).C2. Hasan Öktem, Babür Özçelik, Hasan Kurtaran, “Inconel 718’in Frezelenmesi Sonucunda Oluşan Yüzey Pürüzlülüğünün Yapay Sinir Ağlarıyla Belirlenmesi” Makina Tasarım ve İmalat Dergisi, Makine Müh. Böl., ODTÜ, Cilt 7, Sayı 1, P: 19-27, Mayıs 2005.C3. B. Özçelik, F. Erzincanlı, İ. Kandemir, “Kumaşların Kaldırılmasında Kullanılan Robot Ellerinin Karşılaştırılması ve Sistemin Tanıtımı”, Makina Tasarım ve İmalat Dergisi, Makine Müh. Böl., ODTÜ, Cilt 4, Sayı 1, P: 11-19, Mayıs 2001, ISSN 1302-9487.C4. B. Özçelik, F. Erzincanlı, F. Fındık, ve İ. Özsert, “Kumaşların Dokunmasız Kaldırılmasında Aralık-Basınç İlişkisinin İncelenmesi”, Sakarya Üniversitesi, Fen Bilimleri Enstitüsü dergisi, , Cilt: 4. Sayı. 1 ve 2, Eylül 2000, S:115-120, Sakarya, ISSN: 1301-4048.D. Proceedings presented at national scientific meetings and published at proceedings books:D1. M. Hüseyin Çetin, Babür Özçelik, Bilgin Tolga Şimşek, Emel Kuram, Erhan Demirbaş, AISI 304L Çeliğin EP Katkılı Bitkisel Esaslı Kesme Sıvıları Kullanılarak Tornalanmasında İlerleme Hızının Aşınma Üstüne Etkisi, S: 230-241, 2. Ulusal Tasarım İmalat ve Analiz Kongresi, 11-12 Kasım 2010- Balıkesir.D2. M. Hüseyin Çetin, Babür Özçelik, Bilgin Tolga Şimşek, Emel Kuram, Erhan Demirbaş, Bitkisel Esasli EP Katkili Kesme Sivilariyla AISI 304L Çeliğin Tornalanmasinda Ilerleme Hizinin Yüzey Pürüzlülüğü ve Kesme Kuvvetine Etkisi, S: 92-107, 2. Ulusal Talaşlı İmalat sempozyumu (UTİS 2010), 01-02 Ekim 2010, Konya-TÜRKİYE. D3. Babür ÖZÇELİK, Erhan DEMİRBAŞ, Emel KURAM, Emrah ŞIK, Geliştirilen Rafine Ayçiçek Yağı Esaslı Kesme Sıvısının Delmedeki Performansının Yüzey Pürüzlülüğü Yoluyla Araştırılması, V. Makina Tasarım ve İmalat Teknolojileri Kongresi, 17-18 Ekim 2009. D4. Babür ÖZÇELİK, Erhan DEMİRBAŞ, Emel KURAM, Emrah ŞIK, İbrahim N. Tansel, Geliştirilen ayçiçeği ve kanola esaslı bitkisel soğutma yağlarının AISI 304 malzemenin delinmesindeki performansları, S:121-129, Yıldız Teknik Üniversitesi, I. Ulusal Talaşlı İmalat sempozyumu (UTİS 2009), 02-03 Ekim 2009, Beşiktaş-İSTANBUL. D5. E. Bagci, H. Kurtaran ve B. Özçelik, “Metal Kesme İşleminin Analizinde Sonlu Elemanlar Yönteminin Kullanılması” MBÜY2003, Malzeme Bilim ve Üretim Yöntemleri Sempozyumu, S: 218-230, Ege Üniveristesi, 15-17 Ekim 2003.D6. Eyup Bağcı, Babür Özçelik, Hasan Kurtaran, “Metal Kesmenin Sonlu Elemanlar Yöntemi ile Analizinde Kullanılan Yazılımlar, Modellemede Karşılaşılan Güçlükler ve Algoritmaların Yetersizlikleri”, II. Makina Tasarım ve İmalat Teknolojileri Kongresi, S: 67-76, Konya, 26-27 Eylül 2003.D7. B. Özçelik, İ. Kandemir ve F. Erzincanlı, “Geliştirilen Bilgisayar Destekli Uzaktan Aralık Ölçme Sisteminin Diğer Sistemlerle Karşılaştırılması”, UMTS 2001, 10. Ulusal Makina Teorisi Sempozyumu, Cilt 2., S: 600-604, Selçuk Üniversitesi, Konya, 12-14 Eylül 2001.D8. B. Özçelik, F. Fındık, ve F. Erzincanlı, “Tekstil Sektöründe Otomasyon ve Robot Elleri”, UMTS 2001, 10. Ulusal Makina Teorisi Sempozyumu, Cilt 2., S: 479-488, Selçuk Üniversitesi, Konya, 12-14 Eylül 2001. Graduate Thesis :1. Öktem, Hasan “CNC Tezgahında 3 ve 5 eksenli işlemede kesme parametrelerinin ve yüzey pürüzlülüğünün incelenmesi”, Haziran 2004.Baş.:Şubat 2003, Bit.: Haziran 20042. Bağcı, Eyup, “Frezeleme Isleminde Kullanılan Kesici Takımlarda Kesme Esnasında Meydana Gelen Değişimlerin Sonlu Elemanlar Analizi Yöntemiyle Incelenmesi”, Eylül 2004.Baş.:Eylül 2002, Bit.: Eylül 20043. Dursun, Mustafa, “Titanyum ve Inconel 718 Malzemelerinin Frezelenmesinde Takım Aşınması ve Yüzey Pürüzlülüğünün Araştırılması” Baş.:Eylül 2004 Bit: Temmuz 2007.4. Eroğlu, Mehmet, “Matkaplarda Talaş Kaldırma Esnasında Oluşan Sıcaklık Değişiminin Araştırılması”Bit: Kasım 2007.5. Kuram, Emel, Bitkisel Esaslı Kesme Sıvılarının Delmedeki Performansının Araştırılması, Eylül 2009.6. Dal, Murat, Bitkisel Esaslı Kesme Sıvılarının Frezelemedeki Performansının Araştırılması, Ağustos 2009.7. Çetin, M. Hüseyin, Bitkisel Esaslı Kesme Sıvılarının Tornalamadaki Performansının Araştırılması, 2010.8. Şimşek, Tolga, Bitkisel Esaslı Kesme Sıvılarının ve Takım Tutucuların Frezelemedeki Performansının Araştırılması, Eylül 2010.