• Smart Phone / Tablet PC Products (HDI process)

    F20P Micro Bore Diameter /Multiple Bores High-Accuracy Drilling Processing Solutions Instruction

             High-speed Spindle Model :F20P
                 >  Processing efficiency upgrades by 12~20% (160k rpm spindle upgrade)
                 >  Corresponding to small-diameter processing fields (Drill φ0.15mm)

             small-diameter processing pore quality UP  Model : DDH (CCD)
                >  ensuring the processing accuracy

             Output Upgrading
                >  Processing conditions Feed rate UP
                >  Number of processing PCB pieces UP

     

    F20P Spindle Equipping
     
    Technology Roadmap for PCB Industry
    Source: TPCA Technology Development Committee
    Version: 2019-2023

    F20P Spindle Features

     

    Unbalanced Processing (φ4.05mm large diameter and extremely short groove processing)
    Groove Length 4.86mm (1.2D)
    Processing conditions Spindle speed--20k rpm, drilling speed--10mm/sec
    spindle F20P
    Processing materials/Substrate t1.15mm x 2 pcs (10-layer board)
    Entry material t0.15mm aluminum plate
    High-speed Spindle Processing (φ0.25mmsmall-diameter processing )
    Processing conditions Spindle speed--200k rpm, drilling speed--55mm/sec
    200kprm Spindle F20P
    Processing Accuracy Comparison - F20Pφ0.25 Conditions Test
    Pore Position Accuracy Radar Chart
    ( Cpk(±75um) ≧1.33 (C.G.Compensation ON) )

    160k rpm condition of H Company

    Condition 1 recommended by DHI

    Condition 2 recommended by DHI
    Panel t1.15mm x 2 stack heights
    Entry t0.15mm aluminum plate
    Back t2.60mm Wood-pulp board
    Drill bit TOP UA45 EG29 U0.25*4.3
    Note The 160k rpm is conditioned at the accuracy made by 2 processing drills.
    The 200k rpm is conditioned at the accuracy made by 9 processing drills.
    Provide by Drill bit H Company

    F20P Spindle Functionality Comparison

    Technology Specification

    VELA F20P

    Company A 160K RPM

    Company A 200K RPM

    Spindle speed range

    20,000~200,000 rpm

    20,000~160,000 rpm

    20,000~200,000 rpm

    Drilling capacity

    ∮0.1㎜ to ∮6.35㎜

    ∮0.1㎜ to ∮6.35㎜

    ∮0.1㎜ to ∮6.35㎜

    Collet Chuck Type

    Bonded collet standard 1/8 shank diameter tooling

    Bonded collet standard 1/8 shank diameter tooling

    Bonded collet standard 1/8 shank diameter tooling

    Collet Chuck Opening Pressure

    6.0㎏/c㎡

    6.0㎏/c㎡

    6.0㎏/c㎡

    Collet Chuck Grip

    1.5Nm

    1.5Nm

    1.5Nm

    Air Flow

    60 l/min

    55 l/min

    65 l/min

    Cooling Demand Flow (water)

    2.5 Litres/min

    2.0 Litres/min

    2.5 Litres/min

    Motor Power Consumption

    600 watts

    570 watts

    650 watts

    Motor Output Torque

    0.056 Nm

    0.047 Nm

    0.045 Nm

    Maximum bearing capacity of radial Collet Chuck

    6.8 kgf

    6.0 kgf

    6.8 kgf

    Maximum axial bearing capacity (push)

    22 kgf

    22 kgf

    18 kgf

    Spindle air pressure

    6.0 ㎏/c㎡

    6.0 ㎏/c㎡

    6.0 ㎏/c㎡

    Short Groove Processing Quality Comparison

    Slot hole length standard value: 4.00 mm, Slot hole width standard value: 3.05 mm
    Panel t1.6mm x 3 stack heights ( DS)
    Entry t0.15mm aluminum plate
    Back 2.50mm Styrene Board
    Drill bit ST 3.05 mm
    Customer’s condition S25 Krpm F20 IPM U300 IPM
       
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