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Volumetric Dosers - SCM
Volumetric Dosers - SCM

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Introduction
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. 
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Features
  • Dosing screws are chrome plated for durability.

  • Unit is comprised of standard modules for ease of cleaning, disassembly and interchangeability.

  • Three-tube hopper magnet is equipped at the base of single color doser to absorb metal impurities so to prevent screw of moulding machine from damage.

  • Blender is a standard equipment for double color doser to make the material evenly mixed, while also a optional equipment for single color doser to do so.

  • Main material hopper is a standard equipment for double color doser. It is optional for single color doser.

  • External signals can be directly interfaced with control box.

  • The current operation mode can be recorded, unaffected by power failure so operation would be returned to normal when power is on.

  • Forced material cleaning is convenient 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 units of parameter recipes are available for permanently recording the period of material discharging and finished products weight (for extruder, it is max. throughput per minute).

  • Use brushless DC motor and free from maintenance.

  • Both master blockage and overload can be detected, then machine will halt and sound alarm.

  • Based on customers demand, some mold cycles can be set to add additives periodically so that micro-metering can be achieved.