What are the causes of defects in the appearance of rubber cables?

I. What is the reason for the appearance of defects in the rubber cable? 1. Because the die set of the bearing line is too long or too short caused by the production of rubber cables, or production of rubber cables is not smooth enough mold mouth or production of wire equipment is too large a caliber caused by the second is the head of the equipment, the mold mouth or the temperature of the equipment body is too low; or due to the rubber cables of the raw material of the rubber is too small plasticity, may lead to the surface of the rubber cable is not smooth. 2. The surface is not smooth situation occurs. 2. may be the production of rubber cable raw material rubber supply is not clean enough, the internal impurities; or rubber material in the scorching combustion time, time is too short, so that the rubber raw material combustion is not uniform; extrusion of rubber body, head or mouth mold temperature is too high; or due to the head of the equipment inside the flow of the rubber material is not smooth enough, resulting in stagnation, dead ends The emergence of; 3. may be the production of rubber cable die sleeve is not smooth enough, not chamfering caused; or in the production process there are impurities or cooked rubber particles blocking the equipment mold mouth caused; or because of the vulcanization of the pipe inside the towing tube there are abrasions, vulcanization of the exit of the tube sealing the rubber washer of the aperture is too small is also very likely to cause the surface of the rubber cable scratches, abrasions. 4. may cause Rubber cable defects may be caused by the aperture of the die set equipment is too small; rubber material extrusion is not enough, the core gap is not filled; or due to the conductive core or cable core has a jumper case; short distance to the mold may lead to the surface of the rubber cable twist pattern. 5. may be too large an aperture caused by the appearance of the rubber cable defects; or rubber-plastic materials are too small, viscous too poorly lead to; or rubber raw materials in the presence of scuffs, vulcanization tube exit seal rubber washer aperture is also very likely to cause surface scratches, abrasions. It is also possible that there are impurities in the rubber raw materials.

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