A Truing Technique of Flattening Diamond Grains for Fabricating
Microstructures with Fine Surfaces |
| Journal |
Key Engineering Materials (Volumes 389 - 390) |
| Volume |
Advances in Abrasive Technology XI |
| Edited by |
Tsunemoto Kuriyagawa, Libo Zhou, Jiwang Yan and Nobuhito Yoshihara |
| Pages |
350-355 |
| DOI |
10.4028/www.scientific.net/KEM.389-390.350 |
| Online since |
September, 2008 |
| Authors |
Takeshi Harada, Takuya Semba |
| Keywords |
Dressing, Electroformed Diamond Tool, Micro Grinding, Truing |
| Abstract |
A truing technique that can be used to shape the tip of an electroformed diamond tool into
a hemisphere and flatten diamond grains on the tool working surface at the same level as the bond
face was developed. A polycrystalline diamond disk whose top surface roughened by electrical
discharge machining was partially flattened by grinding was used as a truer. Diamond grains on the
tool working surface were successfully flattened along the hemispherical tool profile when the grains
mesh size of #1000 was employed. In addition, a grinding test using glasslike carbon as a work
material revealed that a surface roughness of less than 50 nm Rz could be obtained in both cases when
moving the tool on contour and scanning paths. |
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