Taizhou Huayang new machinery Technology Co., Ltd

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Solution to leakage issues during regular maintenance of screen swappers

The screen changer, as a core component in industrial production, its stable operation is crucial for the continuity of the production line. However, due to long-term use and wear, aging of screen changers has become a common problem, especially for skateboard screen changers. This type of screen changer activates the seal through manual adjustment or pressure, but in actual operation, it is often affected by various factors, such as wear caused by skateboarding, degradation of the sealing pressure ring, and damage to the filter screen.

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How to solve the leakage problem of hydraulic screen changers

Regarding the leakage issue of hydraulic screen changers, whether it is a belt-type hydraulic screen changer or a quick hydraulic screen changer, the first step is to identify the source of the leakage. 1. Leakage at the flange connection of the hydraulic screen changer. This occurs because during the installation of the hydraulic screen changer, impurities were not properly cleaned from the end face of the connecting ring, or the bolts of the flange were not tightened in a diagonal sequence, leading to uneven connection between the flange and the screen changer. After disassembly, clean the waste material at the connection between the hydraulic screen changer and the flange, tighten the bolts diagonally in sequence, and ensure that the gap between the flange and the screen changer is uniform.

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Advantages and disadvantages of hydraulic automatic screen changers

The hydraulic automatic screen changer is a device used in plastic extruders for automatically replacing filter screens. Its working principle involves using a hydraulic system to drive the screen changer for the replacement operation. Compared to traditional manual screen changers, hydraulic automatic screen changers offer higher efficiency and precision, significantly reducing production downtime and improving production efficiency. The advantages of hydraulic automatic screen changers are as follows:

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The working principle and application range of melt filtration changeover devices

The melt filter screen changer is a device used for filtering molten materials, commonly used in the processing of polymers such as plastics, rubber, and synthetic fibers. Due to the sensitivity of polymer materials to impurities during processing, it is necessary to filter the melt to remove impurities and foreign objects to ensure the quality and performance of the products. The melt filter screen changer is designed for this purpose.

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The internal structure and working principle of a continuous changeover device

The continuous screen changer is an efficient and continuous filtration device, hailed as a powerful assistant for plastic melt purification. Its unique design and functionality make it stand out in the fields of plastic melt filtration and polymer filtration, providing stable and efficient filtration solutions for numerous extrusion production lines.

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Working principle and test steps of mesh belt type mesh changer

Mesh belt automatic mesh changer, also known as mesh belt automatic mesh changer, adopts water-cooled sealing and uses melt pressure or time control to move the mesh. The distance and speed of the filter can be freely set. When the inlet pressure of the automatic screen changer reaches the set value, the control system automatically starts the heating rod at the outlet of the filter belt for heating. After reaching the set temperature at the outlet, the filter can automatically move and carry impurities from the melt out of the screen changer with the filter. At this point, the inlet pressure of the screen changer drops to the normal operating value. At this point, the control system stops heating the electric heating rod at the outlet end and solidifies and seals the outlet end with cold water.

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