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Purpose: For achieving the goal of saving time on the tool grinding and design, an efficient method of developing the data management and searching system for the standard cutting tools is proposed in this study. Design/methodology/approach: At first the tool grinding software with open architecture was employed to design and plan grinding processes for seven types of tools. According to the characteristics of tools (e.g. types, diameter, radius and so on), 4802 tool data were established in the relational database. Then, the SQL syntax was utilized to write the searching algorithms, and the human machine interfaces of the searching system for the tool database were developed by C++ Builder. Findings: For grinding a square end mill with two-flute, a half of time on the tool design and the change of production line for grinding other types of tools can be saved by means of our system. More specifically, the efficiency in terms of the approach and retract time was improved up to 40%, and an improvement of approximately 10.6% in the overall machining time can be achieved. Research limitations/implications: In fact, the used tool database in this study only includes some specific tools such as the square end mill. The step drill, taper tools, and special tools can also be taken into account in the database for future research. Practical implications: The most commercial tool grinding software is the modular-based design and use tool shapes to construct the CAM interface. Some limitations on the tool design are undesirable for customers. On the contrary, employing not only the grinding processes to construct the grinding path of tools but the searching system combined with the grinding software, it gives more flexible for one to design new tools. Originality/value: A novel tool database and searching system is presented for tool grinding. Using this system can save time and provide more convenience on designing tools and grinding. In other words, the company productivity can be improved.
Wydawca
Rocznik
Tom
Strony
159--162
Opis fizyczny
Bibliogr. 15 poz., il., wykr.
Twórcy
autor
autor
autor
autor
- Department of Mechanical and Computer-Aided Engineering, National Formosa University, No. 64, Wunhua Rd., Huwei Township, Yunlin County 632, Taiwan, jychen@nfu.edu.tw
Bibliografia
- [1] H. Schulz, T. Moriwaki, High-speed machining, Annals of the CIRP 41 (1992) 637-643.
- [2] H. Schulz, S. Hock, High-speed milling of die and molds-cutting conditions and technology, Annals of the CIRP 44 (1995) 35-38.
- [3] R. C. Dewes, D. K. Aspinwall, A review of ultra high-speed milling of hardened steels, Journal of Materials Processing Technology 69 (1997) 1-17.
- [4] L. A. Dobrzański, K. Gołombek, J. Mikuła, D. Pakuła, Cutting ability improvement of coated tool materials, Journal of Achievements in Materials and Manufacturing Engineering 17 (2006) 41-44.
- [5] S. Dolinsek, J. Kopac, Mechanism and types of tool wear; particu-larities in advanced cutting materials, Journal of Achievements in Materials and Manufacturing Engineering 19/1 (2006) 11-18.
- [6] S. Malkin, Grinding Technology Theory and Applications of Machining with Abrasives, Society of Manufacturing Engineers, Dearborn, Michigan, 1989.
- [7] W. Eversheim, H. J. J. Kals, W. Konig, C. A. van Luttervelt, J. Milberg, A. Storr, H. K. Tonshoff, M. Weck, H. Weule, W. J. Zdeblick, Tool management: the present and the future, Annals of the CIRP, 40 (1991) 631-639.
- [8] W. L. R. IP, K. W. Cheng, I. K. Hui, T. S. F. Chan, Dynamic tool management in FMS-a practical approach, Proceedings of the IEEE International Conference on Systems, Man, and Cybernetics, 1995, 120-125.
- [9] M. Özbayrak, R. B. R. De Souza, R. Bell, Design of a tool management system for a flexible machining facility, Proceedings of the Institution of Mechanical Engineers-Part B-Engineering Manufacture 215 (2001) 353-370.
- [10] G. Svinjarevic, A. Stoic, J. Kopac, Implementation of cutting tool management system, Journal of Achievements in Materials and Manufacturing Engineering 23/1 (2007) 99-102.
- [11] M. V. Ribeiro, N. L. Coppini, An applied database system for the optimization of cutting conditions and tool selection, Journal of Materials Processing Technology 92 (1999) 371-374.
- [12] F. Cus, B. Mursec, Databases for technological information systems, Journal of Materials Processing Technology 157-158 (2004) 75-81.
- [13] United State Cutting Tool Institute, Metal Cutting Tool Handbook, Industrial Press, 2004.
- [14] Jenn-Yih Chen, Bean-Yin Lee, Chi-Hsiang Chen, Planning and Analysis of Grinding Processes for End Mills of Cemented Tungsten Carbide, Journal of Materials Processing Technology (to be published).
- [15] P. Rob, C. Coronel, Database Systems: Design, Implementation, and Management, Seventh Edition, Thomson, Boston, Massachusetts, 2007.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BWAN-0002-0045