Research of Wear Mechanisms of PCD Cutting Tools in Sand Mold Milling

Ji Fu Xu; Zhong De Shan; Yan Zheng Li; Feng Liu

doi:10.4028/www.scientific.net/AMR.774-776.1164

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 774-776Research of Wear Mechanisms of PCD Cutting Tools...

Research of Wear Mechanisms of PCD Cutting Tools in Sand Mold Milling

Abstract:

The PCD cutting tool is used to dry mill foundry sand materials, SEM is used for observing the wear morphology of the cutting tool, and EDS is used to analyze the components of the wear area of the cutting tool so that the wear morphology of the cutting tool and the wear mechanisms are studied. The research results indicate that the wear morphology of the PCD cutting tool in cutting sand molds are rake face wear, cutting edge wear, and flank wear. The wear mechanism of the PCD cutting tool is abrasive wear, which is caused when PCD crystal particles produced in the mechanical friction between the cutting tool and the work-piece material in cutting continuously come off. Mechanical fatigue wear is the main cause of mechanical fatigue caused by alternating load which is generated by the interrupted cutting and high-frequency mechanical shock of workpiece material hard point.

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Periodical:

Advanced Materials Research (Volumes 774-776)

Pages:

1164-1169

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.774-776.1164

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Online since:

September 2013

Authors:

Ji Fu Xu, Zhong De Shan, Yan Zheng Li, Feng Liu

Keywords:

Mechanical Fatigue Wear, PCD Cutting Tool, Sand Mold Milling, Wear Mechanism

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