Effect of Tool Tilting Angle on Tool Wear and Surface Roughness in Micro Ball End Milling

Author:

Hamaguchi Kazuya1,Kagata Yuji1,Shizuka Hiroo2,Okuda Koichi2

Affiliation:

1. Hyogo Prefectural Institute of Technology

2. University of Hyogo

Abstract

This paper describes the effect of the tool tilting angle on the tool wear and the surface roughness in micro ball end milling. The cutting tests of hardened stainless steel were carried out by using of the micro ball end mill with radius of 100mm under the conditions of tilting angle from 0° to 45°. The spindle speed was fixed in a constant of 120,000 min-1. The feed per tooth, axial depth of cut and radial depth of cut were also fixed. The flank wear, the surface roughness and the cutting force were investigated. As a result, the maximum width of flank wear of the micro ball end mill tended to decrease with an increase in the tilting angle of spindle. The surface roughness became almost constant not depending on the tilting angle of the spindle.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference4 articles.

1. Y. Liu et al: Advanced Materials and Research Vol. 126-128 (2010), pp.773-778.

2. S. Dolinsek, J. Kopac: Journal of Achievements in Materials and Manufacturing Engineering Vol. 19 (2006), pp.11-18.

3. H. Iwabe et al: Transactions of the Japan Society of Mechanical Engineers Vol. 69 (2003), pp.3116-3123 (in Japanese).

4. T. Akamatsu et al: Journal of the Japan Society for Abrasive Technology Vol. 50 (2006), pp.96-101 (in Japanese).

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3. Micro ball-end milling—an emerging manufacturing technology for micro-feature patterns;The International Journal of Advanced Manufacturing Technology;2017-09-19

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