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    HOLE MAKING
    NPA 14/2021


    3 Flute Drills with Exchangeable Heads Now Available in 8 L/D Ratio


    LOGIQ3CHAM

    LOGIQ3CHAM - correct insert mounting

    Highlights
    ISCAR is expanding the application range of the successful LOGIQ3CHAM drilling line by adding an 8 L/D ratio holder.



    The new holder with an 8 L/D ratio has a unique flute design that utilizes the productivity advantages of the LOGIQ3CHAM line. The flute length a has minimal influence on the tool’s structural strength.

    • The recommended cutting conditions are the same as those recommended for the existing LOGIQ3CHAM line.
    • The new 8 L/D holder is appropriate for any LOGIQ3CHAM drilling head geometries with the same pocket size.



    D3N A-8D
    Exchangeable Head 3 Flute Drills with Coolant Holes and One Flat Shank. Drilling Depth 8xD
    (1) Cutting diameter minimum
    (2) Cutting diameter maximum
    (3) Seat size code


    D3N R-8D
    Exchangeable Head 3 Flute Drills with Coolant Holes and Round Shank. Drilling Depth 8xD
    (1) Cutting diameter minimum
    (2) Cutting diameter maximum
    (3) Seat size code


    PreHole Adjustment
    *For proper insert performance and centering, a bigger insert within a 1.0 mm range of the same diameter may be used


    It is important to initially fasten the drilling head manually prior to using the key!

    LOGIQ3CHAM Mounting instruction
    Drilling Head Mounting Procedure
    Drilling Limitations
    Boring
    Max 0.02 mm
    liter/min
    Coolant Flow Rate
    Dia.
    Drill Diameter D (mm)
    Minimum Coolant Pressure
    bar
    Dia.
    Max 0.02 mm
    Coolant Recommendations
    Dry machining
    Up to 2XD
    * up to 6° reduce feed by 20%
    * 6°-12° reduce feed by 50%



    Material Groups



    Recommended Machining Conditions
    Recommended cutting data



    The NPA14-2021's pdf file: View (PDF) or Download (ZIP)
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