Solid PCBN (Polycrystalline Cubic Boron Nitride)

Solid PCBN (Polycrystalline Cubic Boron Nitride)

Full-thickness solid PCBN for high-hardness ferrous metal machining. HRC45–65 hardened steel, chilled cast iron.

Sino Seiko – Product Advantages

  • Check Mark Premium International PCD/PCBN Materials
  • Check Mark High Precision Manufacturing & Rigorous Quality Control
  • Check Mark Excellent Thermal Conductivity & Impact Resistance
  • Check Mark Factory Direct – Best Value
  • Check Mark Full Technical Support & Customization
Brand of SINO QTECH INDUSRIES CO., LTD.
    Category:

    Description

    Product Overview

    SINOSEIKO (or SSK Diamond) supplies Solid (full-body) PCBN cutting materials characterized by exceptional hardness, outstanding wear resistance, and superior thermal stability. Solid PCBN is sintered from micron-grade CBN powder with various ceramic binders under ultra-high pressure and high temperature (HPHT). Available in both solid and laminated configurations.

    Working Principle

    Solid PCBN (Polycrystalline Cubic Boron Nitride) is manufactured by sintering CBN particles with ceramic binders at 5–7 GPa and 1500–1900Β°C. Unlike carbide-tipped PCBN, the entire cutting edge is composed of PCBN material, providing uniform hardness throughout the tool. This makes it ideal for interrupted cuts and heavy roughing operations where the entire edge is exposed to extreme cutting forces and temperatures.

    ParameterSpecification
    CBN Content85% – 95% (by volume)
    HardnessHV 3000 – 5000
    Transverse Rupture Strengthβ‰₯ 1.0 GPa
    Thermal StabilityUp to 1400Β°C
    Diameter RangeΞ¦10 – Ξ¦60 mm
    Thickness2.0 – 6.0 mm
    Recommended Cutting Speed100 – 500 m/min

    Key Advantages

    Full PCBN Edge
    The entire cutting edge is PCBN β€” no carbide exposure means consistent performance throughout tool life.

    Detailed Specifications

    Solid PCBN disc
    Disc Diameter(D) Thickness (T) Grade Available
    Disc 30 3.2/4.76 BN950,BN900,BN850,BN720,BN500
    Solid PCBN semi-finished inserts
    Shape ISO Dimensions (mm) Grade Available
    IC Thickness (T)
    Rounds RNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Disc RNUN-0904XX 9.8 4.8
    RNUN-1203XX 13.1 3.2
    RNUN-1204XX 13.1 4.8
    RNUN-1904XX 19.4 4.8
    RNUN-2004XX 20.7 4.76
    RNUN-2504XX 25.7 4.8
    Squares SNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Disc SNUN-0904XX 9.8 4.8
    SNUN-1203XX 13.1 3.2
    SNUN-1204XX 13.1 4.8
    SNUN-1504XX 16.2 4.8
    SNUN-1904XX 19.4 4.76
    Rhombus CNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Rhombus CNUN-0904XX 9.8 4.8
    CNUN-1203XX 13.1 3.2
    CNUN-1204XX 13.1 4.8
    Triangles TNUN-1103XX 6.6 3.2 BN950,BN900,BN850,BN720,BN500
    Rhombus TNUN-1603XX 9.8 3.2
    TNUN-1604XX 9.8 4.8
    Online Chatting
    Mr. Ma Mr. Bruce Miss. Ann
    Full PCBN Edge
    The entire cutting edge is PCBN β€” no carbide exposure means consistent performance throughout tool life.

    Detailed Specifications

    Solid PCBN disc
    Disc Diameter(D) Thickness (T) Grade Available
    Disc 30 3.2/4.76 BN950,BN900,BN850,BN720,BN500
    Solid PCBN semi-finished inserts
    Shape ISO Dimensions (mm) Grade Available
    IC Thickness (T)
    Rounds RNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Disc RNUN-0904XX 9.8 4.8
    RNUN-1203XX 13.1 3.2
    RNUN-1204XX 13.1 4.8
    RNUN-1904XX 19.4 4.8
    RNUN-2004XX 20.7 4.76
    RNUN-2504XX 25.7 4.8
    Squares SNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Disc SNUN-0904XX 9.8 4.8
    SNUN-1203XX 13.1 3.2
    SNUN-1204XX 13.1 4.8
    SNUN-1504XX 16.2 4.8
    SNUN-1904XX 19.4 4.76
    Rhombus CNUN-0903XX 9.8 3.2 BN950,BN900,BN850,BN720,BN500
    Rhombus CNUN-0904XX 9.8 4.8
    CNUN-1203XX 13.1 3.2
    CNUN-1204XX 13.1 4.8
    Triangles TNUN-1103XX 6.6 3.2 BN950,BN900,BN850,BN720,BN500
    Rhombus TNUN-1603XX 9.8 3.2
    TNUN-1604XX 9.8 4.8
    Online Chatting
    Mr. Ma Mr. Bruce Miss. Ann

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