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Pipes Extrusion: Basic Principles

A pipe extrusion line consists of different parts. An extruder converts raw plastic material into a continuous tubular melt by extrusion through an annular die. The molten pipe then proceeds through a sizing or calibration bench (which adjust its dimensions) to a cooling tank. After being cooled, th......

PVC raw material selection and formula

PVC plastic is a multi-component plastic. Different additives can be added according to different uses. Due to different components, PVC products show different physical and mechanical properties, which can be applied in different occasions. PVC plastic pipe accounts for a large proportion in plasti......

Principle and application scope of single screw extruder

In most extruders, the screw speed is changed by adjusting the motor speed. The drive motor usually rotates at a full speed of about 1750rpm, which is too fast for an extrusion screw. If it rotates at such a fast speed, too much friction heat will be generated, and the uniform and well stirred melt ......

Tips for Purchasing Quality Plastic Profile Extrusion Line from a Reliable Manufacturer

Are you planning to invest in this powerful machine? Read on as we take you through the necessary tips that will guide you. In the end, you will be able to make the right decision for your company.

Comparison Between Counter Rotating Conical Twin-screw Extruder and Parallel Twin-screw Extruder

According to the rotation direction of twin-screw extruder, it can be divided into two types: co rotating extruder and counter rotating extruder. Co rotating twin-screw extruder means that the rotation direction of two screws is the same when they work; The opposite direction extruder refers to that......

Extruder for PVC-U Pipe Extrusion Line

Parallel twin-screw extruder and conical twin-screw extruder can be used to directly produce PVC-U pipe with dry powder. Due to the full engagement of two screws, a closed C-shaped chamber is formed in the twin-screw extruder. The two screws rotate outward in different directions to make the C-shape......

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