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Screw Doser

Screw Doser

Volumetric Dosers
    SD series volumetric dosers are suitable for auto - proportional mixing of new materials, regrinds, masterbatch or additives. A Micro Stepping motor is used in this series. According to the set mixing proportion, the PLC accurately controls rotation of the high precise dosing screw to squeeze out materials with an accuracy of ±1%. A Micro Stepping motor is coupled to a dosing screw of 12, 16 or 18 mm diameter to give a total of Three models with output. ranging from 0.1-32 kg/hr. Double color dosers can be assembled from two single color dosers if required.
Features
  • Micro Stepping motor and free from mainrenance.
  • Everlasting data memotizer and settings storage.
  • PLC control, intelligent and accurate in calculation.
  • External signals can be directly interfaced with control box.
  • Dosing screws are chrome plated for durability.
  • Unit is comprised of standard modules for ease of cleaning, disassembly and interchangeability.
  • Bieider is a standard accessory for double color doser to make the material evenly mixed, while also a optional accessory for single color doser to do so.
  • Main material hopper is a standard accessory for double color doser. it is optional for single color doser.
  • When work with SEHD - 100 of models above SEHD - 160U, Installation base should have an additional large flange mounted on without Three - tube hopper magnet).
  • For SEHD - 100-300KG and SEHD - 160U - 450U, frame should be selected.
  • Upon request, it can be built to comply with worldwide electrical safety standards (For example : CE, UL, CSA, JIS etc.).
  • Optional : 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.
Technical Specification
Model SD 12 SD 16 SD 18 SD 12D SD 16D SD 18D
Motor Power (kW) 0.25 0.25 0.25 0.25 0.25 0.25
Motor Speed (RPM) 150 150 150 150 200 150
Screw External Dia. (mm) 18 3 6 9 12 18
Output Capacity (kg/Hr) 1.1-32 0.6-20 0.3-10 1.1-32 0.6-20 0.3-10
Storage Bin (L) 65 65 65 100 100 100
Main Material Hopper Optional Optional Optional Optional Optional Optional
Dimensions (mm);
Height (H) 520 520 520 520 520 520
Width (W) 610 610 610 610 610 610
Depth (D) 335 335 335 335 335 335
Weight (kg) 30 30 30 30 30 30