A study on the quality of micro-machined surfaces on tungsten carbide generated by PCD micro end-milling

A study has been performed to understand the mechanism for generating a high quality surface on fine grain tungsten carbide dies and molds for miniature products by PCD micro end-milling operations. In order to find the best milling conditions, systematic experimental procedures have been introduced...

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Bibliographic Details
Published in:CIRP annals 2012, Vol.61 (1), p.567-570
Main Authors: Nakamoto, Kazuo, Katahira, Kazutoshi, Ohmori, Hitoshi, Yamazaki, Kazuo, Aoyama, Tojiro
Format: Article
Language:English
Subjects:
Applied sciences
Diamond machining
End milling
Exact sciences and technology
Machining
Mechanical engineering. Machine design
Micromachining
Milling
Miniature
Molds
Optimization
PCD
Polycrystalline diamond
Precision engineering, watch making
Tungsten carbide
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Summary:A study has been performed to understand the mechanism for generating a high quality surface on fine grain tungsten carbide dies and molds for miniature products by PCD micro end-milling operations. In order to find the best milling conditions, systematic experimental procedures have been introduced. The procedures include the preparation of various diameter single edge end-mills made of PCD (poly-crystalline diamond), sequential variation of machining conditions, and the precise setting of various instruments to observe the dynamic behavior during the machining process. By following the proposed procedures, optimum conditions for achieving the best machined surface quality have successfully been obtained.
ISSN:0007-8506
DOI:10.1016/j.cirp.2012.03.112