Gravimetric Doser (Granules)

Gravimetric Doser (Granules)

Suitable for automatic proportioning and mixing of new materials, secondary materials,
color master batches or additive materials;
. With the screw diameter of 12mm, 16mm or 20mm, and four models that provide different output of 0.1-50kg/h;. Suitable for extruder and injection molding machine

Working principle:

Doser adopts screw metering and feeding,screw drive is directly driven by stepping motor,suitable for the accurate measurement of granular masterbatch or sand,screw speed and raw material weight in the hopper of the doser to establish a gravity closed loop, can real-time measuring value which is preset ,compared with actual value, by computing the difference of both, constantly fine-turn metering screw speed, achieve the goal of feed rate under precisely controlled masterbatch, the advantages of gravimetric metering ,can effectively avoid the color masterbatch particle size difference(stacking density differences)and caused color masterbatch feeding is uncertainty;
Doser controller adopts 7”colorful touch screen+PLC control mode, human-machine interaction is convenient ,straightforward and clear, and have thecommunication interface preset,it is convenient for data integration;
The output of the doser can be configured with a wide range of output which can cover tens of g/h to 350KG/h.

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Advantage

Modular assembly structure,key structural parts are made of stainless precision casting

User Friendly HMI

Adopt PLC control and 7'' touch screen display which is user-friendly design;

Quick disassembling

Modular assembly structure,key structural parts are made of stainless precision casting; No need tools to disassemble and easy to clean, it can achieve change color within 1 minute;

High precision

Adopt gravimetric continuous metering method, gravity closed loop control,precision is accurate;

Automatic stop alarm device

Detection of color master bach blocking and overload ,automatic shutdown for protection and alarm; Can be used for continuous plastic extruder and intermittent injection molding machine to add the color masterbatch;

Metering screw

Metering screw drive is directly dirven by stepping motor which is simple structure and stable operation ;

configuration

The standard configuration with hopper support,it is convenient for users to put the suction hopper on the gravimetric scale; Stirrer is optional,if select it and even the raw material is different still can fully mixed ; Equipped with 485 communication function.

User Friendly HMI

Adopt PLC control and 7'' touch screen display which is user-friendly design;

Quick disassembling

Modular assembly structure,key structural parts are made of stainless precision casting; No need tools to disassemble and easy to clean, it can achieve change color within 1 minute;

High precision

Adopt gravimetric continuous metering method, gravity closed loop control,precision is accurate;

Automatic stop alarm device

Detection of color master bach blocking and overload ,automatic shutdown for protection and alarm; Can be used for continuous plastic extruder and intermittent injection molding machine to add the color masterbatch;

Metering screw

Metering screw drive is directly dirven by stepping motor which is simple structure and stable operation ;

configuration

The standard configuration with hopper support,it is convenient for users to put the suction hopper on the gravimetric scale; Stirrer is optional,if select it and even the raw material is different still can fully mixed ; Equipped with 485 communication function.

Specification

Model Output(Kg/h) Power(w) Hopper capacity Color master batch ratio accuracy Plastic granule(mm) Screw rod outer diameter(mm) Maximum processing capacity
LSGD-8 0.1-6 60 6 ±0.3-1% 3~5 8 1Φ220V 50/60Hz
LSGD-10 0.2-10 60 6 ±0.3-1% 3~5 10 1Φ220V 50/60Hz
LSGD-12 0.5-15 60 6 ±0.3-1% 3~5 12 1Φ220V 50/60Hz
LSGD-16 3-40 60 6 ±0.3-1% 3~5 16 1Φ220V 50/60Hz
LSGD-20 5-50 60 6 ±0.3-1% 3~5 20 1Φ220V 50/60Hz
LSGD-30 8-70 60 6 ±0.3-1% 3~5 30 1Φ220V 50/60Hz

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