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Higher Diameter HDPE Pipes and Cooling Problems

The diameter of HDPE pipe increases during extrusion and it causes a thickness increase; the pipe doesn't effectively cool from inside and within the core, and the linear speed decreases.

High thickness and large-diameter pipes: how to avoid sag in pipe extrusion

The increased usage of large-diameter pipes, from 630mm to 1,200mm, across various applications has encouraged the development of PE100 materials suitable for large-diameter pipes to prevent problems during extrusion, like sagging. Maintaining dimensions within specifications is problematic for the......

How to Choose the Model of Twin Screw Extruder?

The best way to choose a twin screw is to look at the actual product and production requirements, and then determine your own demand points, such as: opening and closing method, temperature zone, heating method, heating power, whether to pass cooling medium screw diameter, length to diameter ratio, ......

Speed Reduction Principle of Twin Screw Extruder

In most extruders, the screw speed is changed by adjusting the motor speed.

Main parameters of the single screw extruder

Screw refers to the metal rod with screw groove that can rotate in the barrel of extruder or injection molding machine. Screw is the most important part of extruder to transport solid plastic, plasticized plastic and melt, which is often called the heart of extruder. Through the rotation of the scre......

How to maintain composite pipe production line

As one of the common plastic machines, the composite pipe production line needs regular maintenance, which should also be carried out according to certain procedures and corresponding requirements of equipment safety and technical performance. This is conducive to the operation of equipment and can ......

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