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Manufacturing process of braided silicone hose

时间:2021-12-03浏览次数:322

What are the processes for manufacturing braided silicone tubes? The first step in manufacturing braided silicone tubes is to extrude the inner tube. Usually, when extruding the inner tube, we ask customers to try to achieve a wall thickness of 1~2mm. Because if the wall thickness of the inner tube is too thin, there will be no support, and the softness will easily fall when braiding fiber lines, resulting in the failure of weaving. We can also customize the inner tube, which can be used in special areas, such as high temperature resistance, color, flame retardance, etc., for example, the inner tube is black, the outer tube is transparent, the inner tube manufacturing needs high temperature resistant glue, the outer tube manufacturing only needs ordinary transparent glue, and the consumption process of braided silicone tube inner tube can meet the application of various industries.

After extruding the inner tube, you need to weave fiber thread, which is conventionalBraided silicone hoseIt can reach the compression resistance of more than 12~38 kg, but some customized customers do not need compression resistance. They usually need to withstand negative pressure or ultra-high pressure. At this time, the fiber line can not meet the customer's requirements. We usually use high-strength braids such as nylon fishing line. After changing the braids, the product can resist compression or negative pressure. It should be noted that steel wire silicone tubes cannot be woven. Pull the inner tube through the braiding machine and pass through the braiding net composed of several braiding machine heads. At this time, the inner tube is wrapped by the braiding net (the braiding machine head will braid according to the programmed Road, that is, the silicone thread is regularly compiled). All conventional braided silicone tubes must be carried out with the braiding machine, so this link is the most important link in all processes. And the selected woven fabric needs to be resistant to high temperature. Because the vulcanization process of silica gel is carried out at high temperature, and the head of the knitting machine must be installed. Because there are many heads, not only one head, but also any problem will lead to the occurrence of product knitting disorder.

The last step to complete the manufacturing of the inner tube and braided wire is to extrude the outer tube. This link seems simple and practical, and it is also very troublesome. It needs to be noted that when the inner tube is wrapped with fiber thread passing through the extruder, there will be an appearance of internal space, which will carry a small amount of air. At this time, if the silicone outer tube is extruded, there will be bubbles, causing the outer tube to be uneven.

Solution: the outer pipe wall thickness can be properly thickened a little,Silicone outer tubeWhen extruding, the material weight of the outer tube will properly shrink and tighten. Forcibly extruding the internal air to the outside can reduce the occurrence of such problems. Another reason is that the increase of the wall thickness of the outer tube will landfill the uneven outer wall, which can deal with the occurrence of the uneven appearance of the woven silicone tube. Extruding the outer tube is also the last step in all the manufacturing processes of the woven silicone tube and marks the end.


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