To prevent the plastic barrel from becoming brittle, the temperature of the barrel and nozzle is too low and needs to be adjusted. If the material is easily degraded, the temperature of the barrel and nozzle should be advanced. Decreasing the pre-plastic back pressure and speed of the screw makes the material slightly loose and reduces the degradation of the plastic due to overheating. The mold temperature is too high and it is difficult to demold. The mold temperature is too low, the plastic is prematurely cooled, the fusion joint is poorly fused, and cracking is easy, especially for high melting point plastics such as polycarbonate. The cavity core should have a proper draft angle. When the core is difficult to demold, it is necessary to advance the cavity temperature and shorten the cooling time. When the cavity is difficult to remove, it is necessary to lower the cavity temperature and extend the cooling time.
Plastic barrel manufacturing process considerations: closed operation, enhanced ventilation. It is necessary for the operator to be specially trained to strictly abide by the operating procedures. Adhere to the operator wearing a self-priming filter gas mask (half mask), wearing chemical safety glasses, wearing anti-poisoning clothing, wearing rubber and oil resistant gloves. Keep away from fire, heat, and smoking in the workplace. Use explosion-proof ventilation systems and equipment. In addition, the coating equipment manufacturer prevents vapor from leaking into the workplace air. Prevent contact with oxidants, acids, and halogens. When filling the plastic barrel factory, the flow rate should be controlled and a grounding device should be installed to prevent static electricity from accumulating. Lightly load and unload during transfer to prevent damage to packaging and containers. Equipped with the corresponding types and quantities of fire-fighting equipment and emergency treatment equipment for leaks. Empty containers may contain any harmful substances.
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