A Mixed Grade

Author Alan Richter
June 01, 2004 - 12:00pm

The latest grades of polycrystalline diamond mix coarse and fine particles to increase packing density and yield a more continuous cutting edge.

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Related Glossary Terms

  • polycrystalline diamond ( PCD)

    polycrystalline diamond ( PCD)

    Cutting tool material consisting of natural or synthetic diamond crystals bonded together under high pressure at elevated temperatures. PCD is available as a tip brazed to a carbide insert carrier. Used for machining nonferrous alloys and nonmetallic materials at high cutting speeds.



Alan holds a bachelor’s degree in journalism from Southern Illinois University Carbondale. Including his 20 years at CTE, Alan has more than 30 years of trade journalism experience.