Study on the life distribution of microdrills

Author:

Yang Z1,Chen Y1,Yang Y1

Affiliation:

1. Jilin University of Technology Department of Mechanical Engineering Changchun, People's Republic of China

Abstract

In this paper, the life distribution of microdrills has been studied experimentally. The fit and test methods of the life distribution function of microdrills are described. Under the experimental conditions of the present work, it is concluded that the life of microdrills follows the log-normal distribution and the distribution parameters are different for various workpiece materials. The life distribution function and reliability function of microdrills from the present work provide a base for correct changing of drills in automatic machining processes.

Publisher

SAGE Publications

Subject

Industrial and Manufacturing Engineering,Mechanical Engineering

Reference9 articles.

1. Studies on Bending at Small Hole Drilling of Printed Wiring Boards.

2. Chen W. S., Ehmann K. F. An experimental investigation on the wear and performance of micro-drill. Center for Research and Technology Development, CRTD-30, 1994, pp. 145–157 (American Society of Mechanical Engineers, New York).

3. Zhang D. Y. Study on the drill skidding motion in ultrasonic vibration micro-drilling. Production Engineering Division, PED-Vol. 55, 1991, pp. 361–371 (American Society of Mechanical Engineers, New York).

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