PET plastic steel strapping extrusion requirementsPET plastic steel strapping extrusion requirements
PET plastic steel strapping can be used to bind the goods, so that the goods are not easily damaged or slipping, and PET plastic steel strapping manufacturers will use the extrusion molding process when producing.
First, when extruding and plasticizing the raw materials of the plastic-steel packing belt, a perforated plate and a filter screen should be added in front of the barrel. The mesh number and layer number of the net should be determined according to the requirements of the raw material and the working conditions of the belt. Second, the temperature of the body of the plastic-steel strapping extruder depends on the raw materials. The temperature of the head is generally slightly higher than the temperature of the body by about 5-10°C. The temperature of the head should be strictly controlled within the specified temperature. Third, the gap adjustment in the forming mold should be smaller than the thickness of the strip. The gap should be adjusted before starting production. The production can be fine-tuned according to the thickness of the strip. Fourth, the mold structure of the plastic-steel packing belt is a right-angle type, and the distance between the two should be adjusted according to the width and narrow dimensions of the product.
In addition, if the oven is used for stretching the packing belt, the temperature in the oven should be divided into three temperatures, the temperature in the inlet section is higher, and the temperature in the outlet section is correspondingly lower.
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