CN 41-1243/TG ISSN 1006-852X
Volume 42 Issue 5
Oct.  2022
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Article Contents
ZHOU Yu, HUANG Guoqin. End face wear of small brazed diamond grinding head for 3C ceramics[J]. Diamond & Abrasives Engineering, 2022, 42(5): 595-601. doi: 10.13394/j.cnki.jgszz.2022.0030
Citation: ZHOU Yu, HUANG Guoqin. End face wear of small brazed diamond grinding head for 3C ceramics[J]. Diamond & Abrasives Engineering, 2022, 42(5): 595-601. doi: 10.13394/j.cnki.jgszz.2022.0030

End face wear of small brazed diamond grinding head for 3C ceramics

doi: 10.13394/j.cnki.jgszz.2022.0030
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  • Received Date: 2022-03-29
  • Rev Recd Date: 2022-06-22
  • The diamond micro-milling head is widely used in the processing of advanced ceramic components of 3C products. Through the grinding tests on the zirconia ceramic workpiece most commonly used in 3C products, the morphology evolution of the brazed diamond micro milling head was observed, and the corresponding relationship between the accumulated removal volume of zirconia ceramics and the wear amount of diamond abrasive grains on the grinding head was counted. The wear failure and the service life of the copper-based and the nickel-based brazed diamond micro milling heads were compared and analyzed. The results show that under the same processing parameters, the life of the copper-based grinding head is longer, which is 1.2 times that of the nickel-based grinding head. In the process of grinding, there are three main failure modes of grinding particles on the end face of diamond grinding head: crushing, flattening and falling off. The wear of grinding head mainly starts from the edge of the end face of the grinding head and gradually spreads to the center until the abrasive wear is serious and the grinding head fails.

     

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