An Investigation on Manufacturing of the Straight Bevel Gear Using End Mill by CNC Milling Machine

Author:

O¨zel Cihan1,I˙nan Ali1,O¨zler Latif1

Affiliation:

1. Department of Mechanical Engineering, Fırat University, Elazıgˇ, Turkey

Abstract

Accurate manufacturing of bevel gears is an important problem for small workshops because the module milling cutters used for manufacturing are not accurate enough for the task. In this study, manufacturing of straight bevel gears is investigated by using end mills in CNC milling with a vertical machining center. By using this method, use of auxiliary apparatus, special cutters (such as the circular cutter, the rack cutter, etc.), and special machine tools are not required. For the study, first the straight bevel gear was modeled by Tredgold’s approach and manufacturing equations of the straight bevel gear were obtained. For the straight bevel gear manufacturing, a macro program was prepared and used. Afterward, the straight bevel gear was manufactured by using this program in a CNC milling machine, the Dyna 2900 machine. The results of the measurement data for a single tooth on the gear manufactured and the theoretical values are presented and discussed.

Publisher

ASME International

Subject

Industrial and Manufacturing Engineering,Computer Science Applications,Mechanical Engineering,Control and Systems Engineering

Reference17 articles.

1. Wiener, D. , 1992, “CNC Technology and the System-Independent Manufacture of Spiral Bevel Gears,” Gear Techno., 9, Sept./Oct, pp. 22–27.

2. Sheveleva, G. I., Gundaev, S. A., and Pogorelov, V. S., 1989, “Numerical Modelling of The Process of Machining Bevel Gears With Circular Teeth,” Sov. Eng. Res., 69(3), pp. 44–47.

3. Chang, S. H., Huston, R. L., and Coy, J. J., 1989, “Computer Aided Design of Bevel Gear Tooth Surfaces,” Int. Power Trans. Gearing Conf. New Tech. Power Trans. 90 ASME, New York, pp. 585–591.

4. Al-Daccak, M. J., and Angeles, J., 1989, “The Modelling of Bevel Gears Using The Exact Spherical Inviolate,” Computer-Aided and Computational Design, ASME, New York, ASME, Design Engineering Division DE Vol. 19-1., No. Pt. 1, pp. 151–156.

5. Wiener, D., 1990, “Kegelrader Verzahnen,” Werkstatt und Betrieb, Vol. 123, No. 2, pp. 153–157.

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