PS sheet co extrusion melt pump

PS Melt Pump for Co-extrusion of PS Sheets Plays a Vital Role in the Polymer Processing Industry, Here's a Detailed Introduction:

I. Characteristics and Advantages

High Precision: The design with high-precision gear clearance and volumetric structure ensures stable and balanced melt conveyance.

Broad Applicability: It is suitable for melt conveyance of various polymer materials, including PS, PP, PET, etc., and is widely used in multiple fields such as chemical fibers, pelletizing, plastic films, sheets, plates, profiles, and pipes.

High Pressure: As long as the pump shaft keeps rotating, the gears will continuously press and convey the melt to the outlet side, allowing the pump outlet to reach very high pressures.

Low Energy Consumption: The melt pump can operate normally at lower inlet flow rates and pressures, and can even achieve inlet vacuum suction, reducing energy consumption and production costs.

Long Lifespan: The pump body material undergoes strict thermodynamic coupling design, and the pump shaft end seal adopts a multi-spiral labyrinth structure with external bearing cooling and flushing, ensuring long-term durability of the system.

II. Technical Parameters

The technical parameters of PS melt pumps for co-extrusion of PS sheets may vary depending on different models and manufacturers, but they typically include the following aspects:

Geometric Displacement: Indicates the volume of melt conveyed per revolution of the pump, usually measured in CC (cubic centimeters).

Heating Method: Common heating methods include electric heating and thermal oil heating, with the specific choice depending on production requirements and equipment configuration.

Sealing Method: Packing seals or composite seals to ensure that the melt does not leak during conveyance.

Material Viscosity: Indicates the viscosity of the melt, usually measured in Pa·s (Pascal-seconds). PS melt pumps for co-extrusion of PS sheets are typically suitable for conveying melts within a certain viscosity range.

Operating Temperature: Indicates the maximum working temperature that the pump body can withstand, usually not exceeding a certain temperature (e.g., 400°C).

Inlet Pressure and Outlet Pressure: Respectively indicate the pressure values when the melt enters and exits the pump body.

III. Application Scenarios

PS melt pumps for co-extrusion of PS sheets are mainly used in co-extrusion production lines for PS sheets, cooperating with other extrusion equipment to achieve stable melt conveyance and extrusion molding. They also have wide applications in the processing of polymer materials such as chemical fibers, plastic films, plates, and profiles.

In summary, PS melt pumps for co-extrusion of PS sheets are one of the important equipment in the polymer processing industry, featuring high precision, broad applicability, high pressure, low energy consumption, and long lifespan. When purchasing and using, factors such as production requirements and equipment configuration should be fully considered to ensure the stability and durability of the equipment.

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