ZHM SJSZ55/110 Extruder (Twin Screw)











  • ZHM SJSZ55/110 Extruder (Twin Screw)

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    CTS#44376

    Never commissioned
    Manufacture : Zhangjiagang Huaming Machinery Co Ltd
    Screw Dia. 55/110mm
    Screw L/D 14.5
    Screw effective length 1150mm

    Material of screw:
    High quality alloy steel (38CrMoAla) and with gas nitrided hardened treatment.
    Thickness of screw nitrided layer: 0.5-0.6mm
    Hardness of screw surface: HV740-HV940
    Roughness of screw surface: Ra<0.8
    Screw cooling by steam water inside without leaking

    Material of barrel:
    High quality alloy steel (38CrMoAla) and with gas nitrided hardened treatment.
    Thickness of barrel nitrided layer: 0.5-0.7mm
    Hardness of barrel inner surface: >HV860
    Roughness of barrel inner surface: Ra<1.6
    Connecting way- taper
    Screw rotating speed 3-32r/min
    Screw turning direction- opposite direction outwards
    Total torque 7.6KN.m
    Heating way 4 aluminum cast heaters + 4 heating zones in total
    Total heating power 18kW
    Cooling section quantity 3 sections
    Cooling control way 3 cooling fans
    Feeding way Single screw dosing (controlled by ABB Inverter)
    Rotating speed of motor 1500r/min
    Main motor power 30kW,Simens Beide motor, frequency control (ABB Inverter)
    Melt pressure- YES
    Electrical apparatus PLC +touch screen, Schneider low-voltage electric apparatus
    venting pump brand 2.2Kw
    Hopper Made of SUS 202,Cone

    Protections on the extruder
    This extruder include three auto- alarming functions:
    -Over-current prevention
    -Temperature go up or down by big range in short time alarm
    -melt pressure out of setting range alarm

    All Earth wires are connected to a Bus bar- We need to have 3phase Neutral & Earth 415 V 50 HZ.
    1.With flange, see the following picture, as buyer drawing
    2.Need one more cooling fan, see the picture
    3.No need the part of feeder, see the picture.
    4.Need guard for barrel, see the picture
    5.Hopper need lip, see the picture. The Inside of the Adaptor need to be Hard chromed Looking like the Screw. Heating Element on the Gate should be only on the Extruder side.
    6.As buyers Drawing of the adaptor

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