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Twin Screw Extruder


Introduction
Twin screw extruder is the classic machine used for the plastic extrusion process when two or more ingredients are mixed or Twin Screw Extrudercompounded. The process is best suited when extruding reactive polymeric materials. Twin screw extruder is particularly useful in the production of rigid PVC and wood fiber blends. In this method two screw rotates with or against each other and have special mixing feature such as kneading block and forward and reverse capabilities, etc.

Types of Machines
Diverse range of screw extruder are manufacture from premium quality materials. Machine with sophisticated features are available at reasonable rates. Customized twin screw extruders are also manufactured as per the requirement of customers in different industries. Machines are available that are designed to be easily synchronized with drives of extruder and haul off resulting in high output at low screw speed and less consumption of power, easy operation, etc.

New and advanced range of twin screw extruder are supplied in the market. One such innovative product is the conical twin screw extruder for dual conduit pipe that is capable of producing twin pipe out of one mould. And hi-tech machine is the kneading extruders that are the most important due to their various applications in industries and seriousness economic. This type includes single-screw and multi-screws.

Advantages
In a twin screw or multi screw extruder there are two screws. Even is a modestly sized extruders, these screws are highly efficient Twin Screw Extruderdevices capable of process several tons of plastic per hour. The flexibility of twin screw extrusion equipment allows this operation to be designed specifically for the formulation being processed. For example, the two screws may be corotating or counterrotating, intermeshing or nonintermeshing. In addition, the configurations of the screws themselves may be varied using forward conveying elements, reverse conveying elements, kneading blocks, and other designs in order to achieve particular mixing characteristics.

Application
Twin-screw extruders are applicable in industries because of their high capacity. Extruders with twin-screw and short distance between screws have high capacity and good thermal and mechanical stress. Twin screw machines are used for manufacturing RPVC pipes, RPVC dual conduit pipe, PVC profile and PVC compounding. These machines has high output and low power consumption features.
Extrusion Process
Hot Extrusion
Cold Extrusion
Warm Extrusion
Direct Extrusion And Indirect     Extrusion
Hydrostatic Extrusion
 
Extrusion Materials
Metal
Plastic, Ceramic, And Drug Carriers
Food
Polymeric Materials
 
Plastic Extrusion
Sheet / Film Extrusion
Blown Film Extrusion (Film Blowing)
Overjacketing And Tubing Extrusion
Co-extrusion
Extrusion Coating
Compound Extrusions And Foam      Extrusion
Profile Extrusion
Pultrusion
Crosshead Extrusion Process
    (Wire & Cable Coating)
Monofilament Fiber Extrusion
Extrusion Reprocessing
 
Plastic Extrusion Machines
Film Plant
Mono Layer Blown Film Plant
Extrusion Coating Lamination Plant
Box Strapping Line
Synthetic String Plant
Monofilaments Plant
Power Transmission Equipment
Forming Internal Cavities And      Drives
 
Types Of Plastic Extruders
Basic Extruder Machine
Single Screw Extruder
Twin Screw Extruder
Ram Extruder
 
Drives And Motors
AC Drives and Motors
DC Drives and Motors
Hydraulic Power Drives and Motors
 
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