• Okuma GI-20NII-2WS CNC Internal Grinder – Year 2021

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    Description

    Okuma GI-20NII-2WS CNC Internal Grinder – Year 2021
    CAPACITIES Max. I.D. grinding diameter

    (Rear Spindle) mm (in.) 400 (15.76) – wheel diameter

    O.D. grinding range
    (Rear spindle) mm (in.) No O.D. grinding on operator side

    Max. O.D. Grinding diameter
    (Front spindle) mm (in.) 300 (11.81) – wheel diameter

    I.D. grinding range
    (Front spindle) mm (in.) 300 (3.94) – wheel diameter
    Max. grinding length mm (in.) 200 (7.87)
    Swing within chuck guard mm (in.) 400 (15.75)
    Work Length mm (in.) Max. 200 (7.87)
    Work weight x length kg x mm (lb x in.) 150 x 200 (330 x 7.87)

    WORK SPINDLE Spindle nose diameter mm (in.) 100 (3.94)

    Max Spindle speed 75,000 RPM – Spindle 2 – 50,000 RPM
    Spindle bore mm (in.) 70 (2.76)
    Spindle speed range rpm 100 ~ 750
    Spindle speed changes Infinitely variable by NC program

    WORKHEAD Swivel angle degree 10

    CROSS-SLIDE ( X AXIS)
    Travel mm (in.) -50 to 150 (-1.97 to 5.91)
    Pulse handle travel per graduation
     mm 0.001, 0.01, 0.05

    Pulse handle travel per revolution mm 0.1, 1, 5 Auto infeed rate mm/min (ipm)

    0.0012~6,000
    (0.00005~236)

    Positioning rate mm/min (ipm) 12,000 (472)

    TABLE (Z AXIS) Travel mm (in.) 500 (19.69)

    Pulse handle travel per increment mm 0.001, 0.01, 0.05
    Pulse handle travel per revolution mm 0.1, 1.0, 5 Auto infeed rate mm/min (ipm)

    0.0006~3,000 (0.00002~118)
    Table oscillation travel mm (in.) Max. 10 (0.39) by parameter setting
    Positioning rate mm/min (ipm) 20,000 (787)

    OKUMA GI-20N high-speed I.D. CNC grinder delivers accuracy and power in a compact design.
    Capable of simultaneous 2-axis control,
    this model is extremely flexible in handling a wide variety of workpiece shapes in a simple data setting. Centralized control of lubricating and pneumatic devices allows for easy maintenance,
    while simplified programming and the program help function allow for easy operation.

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