AI Article Synopsis
- This study introduces a new ultra-precision machining method suitable for both brittle and soft materials, using an array of diamond tips and a high-speed spindle.
- Conventional methods struggle to manage surface roughness in brittle materials due to irregular grinding particles, but this approach employs uniformly sized diamond tips created through MEMS fabrication.
- Key parameters influencing machining quality, such as the arrangement of diamond tips, spindle speed (up to 300,000 rpm), and feed rate, have been identified to precisely control the resulting surface roughness and texture during micro machining.
Article Abstract
In this study, we propose one of the ultra-precision machining methods that can be adapted brittle material as well as soft material by using multi arrayed diamond tips and high speed spindle. Conventional machining method is too hard to control surface roughness and surface texture against brittle material because particles of grinding tools are irregular size and material can be fragile. Therefore we were able to design tool paths and machine controlled pattern on surface by multi arrayed diamond tips which has uniform size made in MEMS fabrication and high speed spindle of which maximum speed is about 300,000 rpm. We defined several parameters that can have effect on machining surface. Those are multi array of diamond tips (n * n), speed of the air spindle, and feeding rate. Surface roughness and surface texture can be controlled by those parameters for micro machining.
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| http://dx.doi.org/10.1166/jnn.2010.2369 | DOI Listing |
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