Effects of Grain Size and Concentration of Grinding Wheel in Ultrasonically Assisted Grinding

被引：8

作者：

Nomura, M. ^{[1
]}

Wu, Y. ^{[2
]}

Kuriyagawa, T. ^{[3
]}

Kawashima, T. ^{[1
]}

Shibata, T. ^{[1
]}

机构：

[1] Toyohashi Univ Technol, Dept Prod Syst Engn, Tempa Ku, 1-1 Hibarigaoka, Toyohashi, Aichi 4418580, Japan

[2] Akita Prefectural Univ, Dept Machine Intelligence & Syst Engn, Akita 0150055, Japan

[3] Tohoku Univ, Dept Nanomech, Sendai, Miyagi 980, Japan

来源：

ADVANCES IN ABRASIVE TECHNOLOGY XI | 2009年 / 389-390卷

关键词：

Ultrasonic Vibration; Internal Grinding; Grinding Force; Surface Roughness;

D O I：

10.4028/www.scientific.net/KEM.389-390.283

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This study aims to develop an ultrasonically assisted grinding technology for precision internal grinding of a small hole measuring several millimeters in diameter, such as those formed in a fuel injector for an automotive engine. In a previous work, an experimental apparatus mainly composed of an ultrasonic vibration spindle was designed and constructed, and grinding experiments were carried out. The purpose of this paper is to examine the effect of ultrasonic vibration on grinding force and surface roughness when the grain size and concentration of small cBN grinding wheel are changed. The experimental results indicate that applying ultrasonic vibration to the wheel decreases the normal and tangential grinding forces by more than 50% and 78%, respectively, and improves the surface roughness by as much as 10% when the wheel grain size and concentration are changed. In addition, over the range of grinding conditions employed in this paper, the grain size as small as 5 mu m can be used in ultrasonically assisted grinding.

引用

页码：283 / +

页数：2

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