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Avoid plastic barrel brittle method, machine barrel, nozzle temperature is too low, need to adjust up. If the material is easy to degrade, the barrel and nozzle temperature should be improved. Lower the screw pre-molding back pressure and speed to make the material slightly loose and to reduce the degradation of plastic due to shear overheating. If the mold temperature is too high, it will be difficult to release the mold. If the mold temperature is too low, the plastic will be cooled prematurely, and the fusion seam will be fused and cracked easily, especially for high melting point plastics such as poly - - and so on. The cavity core should have the proper slope of demolding. Core difficult to demold, to advance the cavity temperature, shorten the cooling time. When the cavity is difficult to take off, the temperature of the cavity should be reduced and the cooling time extended.

Note on the process of making plastic barrel: closed operation, strengthen ventilation. It is necessary for the operator to go through special training and strictly follow the operating procedures. It is recommended that the operator wears a self-absorbing filtered anti-toxic - (half mask), chemical safety glasses, anti-toxic immersion work clothes, and rubber oil-resistant gloves. Keep away from fire and heat sources, and workplaces are strictly prohibited. Use explosion-proof ventilation system and equipment. In addition, avoid leakage of vapors into the air of the workplace by the painting equipment manufacturer. Avoid touching with oxidizers, acids and halogens. The flow rate should be manipulated when carrying out filling of plastic barrel manufacturers, and there is a grounding device to avoid the accumulation of static electricity. When transferring, lightly load and unload to avoid damage to packaging and containers. Equipped with the appropriate type and quantity of fire-fighting equipment and emergency equipment for leaks. Empty containers may be residual harmful substances.

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