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  • Welcome to 長沙一派直驅科技股份有限公司!

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    ETK2708 NC Boring Machine for Non-circular Steel Piston Pinhole
    Views:1,593 Date:2021-09-08?

    Function introduction:

    This machine tool is mainly used for finishing and semi-finishing non-circular pinholes for forged steel pistons(tapered holes, curved holes,?hyperbolic?holes). Equipped with?double spindles arranged?left and right?, the one is for fine boring (the left spindle), the other is for semi-fine boring (the right spindle).

    The fine boring spindle is the static-dynamic pressure spindle and equipped with precision micro-displacement servo boring device(a patented product of EPOCH NC), which completes non-circular piston pinholes (tapered holes, curved holes) surface machining under the condition of high-speed rotation of the spindle. The size of the pinhole can be fine-tuned?by program, and the non-circular pinhole size and length?can be adjusted by program.

    SIEMENS 828D system?is adopted, for which the programming is flexible and convenient, and the reliability is high.

     

     

     

    Main technical parameters:

    S/N

    Item

    Unit

    ETK2708A

    1

    Outer diameter range of machined piston

    mm

    Φ80?~ Φ200

    2

    Pinhole diameter?range of the machined piston

    mm

    Φ30?~Φ80

    3

    Fine boring spindle

    Static-dynamic Pressure Spindle

    4

    Semi-fine boring spindle

    Bearing Spindle: A2-6

    5

    Fine boring Spindle Accuracy

    mm

    0.002

    6

    Semi-fine boring?Spindle Accuracy

    mm

    0.003

    7

    Fine boring Spindle Speed

    (stepless speed regulation)

    rpm

    50~1500

    8

    Semi-fine boring?Spindle Speed

    (stepless speed regulation)

    rpm

    50~1500

    9

    Maximum effective offset of the fine boring edge

    mm

    0.06

    10

    Processing roughness

    μm

    Ra0.63

    11

    Fine-boring straight hole roundness

    mm

    0.002

    12

    Fine-boring monoliteral pinhole straight-line cylindricity

    mm

    0.004

    13

    Machine?(L×W×H)

    mm

    2900×1700×2450

    14

    Net weight of the machine

    kg

    5500

    15

    Overall power?of the machine

    kW

    25

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    Contact us
    Service hotline
    0731-84021538
    Address: No. 9, Tianhua South Road, Changsha Economic and Technical Development Zone,Changsha,China
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