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    Milling Insert,Turning Insert,Cutting Tool

    PVD and CVD are currently very common treatment for surface treatments on tools and molds. CVD is...
  • Why is tungsten carbide used for cutting tools?

  • Add paragraph text hereTungsten is a particularly hard metal with a high melting point. Pure tungsten metal typically is not normally used in cutting tools, but
    tungsten carbide is. In cutting tools, tungsten carbide ceramic particles are bonded together using cobalt metal, which adds fracture toughness
    to the tool. ceramics are brittle (low fracture toughness) with high strength,
    while metals tend to have high tungsten carbide inserts fracture toughness but low overall strength, so tungsten carbide-cobalt parts have a nice
    balance of these properties. They are strong enough to cut hard materials and
    tough enough to last a long time.

    It can be sharpened but most tool holders allow tungsten tips to be rotated if the tool gets dropped on the tip a
    piece may break off meaning there will no longer be good support for the tip if
    rotated to the next sharp side. They are easily replaced but can be expensive
    depending on shape eg spiral cutter tips for thicknessers.

    From the perspective of tool materials, high-speed steel, cemented carbide, ceramics,
    cermets, and even superhard tools, the advancement of material technology has
    opened up more possibilities for cutting tools.

    Due to a series of excellent properties such as high hardness and wear resistance,
    tungsten carbide has gradually become a very important tool material.

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