Volumetric Dosers - SCM

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    SCM series volumetric dosers are suitable for auto-proportional mixing of virgin materials, regrinds, master batch or additives. A gear motor with gear ratio of 38:1 is coupled to a dosing screw of 12, 16,20 or 30mm(0.47, 0.63,0.79 or 1.18inch) in diameter to give a total of four models with output ranging from 0.1~110kg/hr(0.22~242.5Ib). Double-color dosers is available for collocating with any two of single color dosers if required. Five components automatic mixing can be realized if customers adopt four-color dosers. 

    Features

    • Dosing screws are chrome plated for durability. 
    • Unit is comprised of standard modules for ease of cleaning, disassembly and interchangeability. 
    • Hopper magnets are equipped in standard base to avoid molding machine screw damage.
    • External signals can be directly input to control box.
    • The current mode can be recorded without interrupted by power failure.
    • Compulsory material cleaning makes it easier to replace       masterbatch.
    • Applicable on extrusion machines, just need to make a few wire replacements.
    • Rotating speed can be automatically adjusted according to extruder processing speed, which maintains the fixed proportion of masterbatch.
    • 50 recipes are available for permanent recording of material discharging time and finished products weight (for extruder, it is max. throughput per minute).
    • Use brushless DC motor and free from maintenance.
    • Both masterbatch blockage and overload can be detected, then machine will halt and sound an alarm.
    • Based on customers demand, mold cycles can be set to add additives periodically so that micro-metering can be achieved.
    • SCM-4 is standard equipped with a main hopper and a blender.
    • Equipped with RS485 communication function (SCM-4 excluded).
    • For collocating with SHD-100~300 or SHD-160U~450U dryers, heavy base should be selected.
    • SCM-4 is capable of adding four kinds of masterbatch at most.
    • High temperature doser SCM-H is optional for applying to PET high temperature situation; the water runs in its cooling part must be room temperature water. 
    • Blender is an option for customers to make materials evenly mixed.
    • Main material hopper is optional equipment for customers to feed main material.
    • Low level sensor can be opted to give an alarm when masterbatch is insufficient.
    • Screws with diameter of 30mm/1.18inch can meet customers, requirements of large output.
    • Optional 100kg/220Ib base to satisfy maximum discharge volume(without mixing function).