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Plastic parts are very common in our life, many products are composed of a variety of plastic parts. Plastic part is a part that can not be ignored. This paper briefly analyzes the factors affecting the processing of plastic parts.
In the process of plastic parts processing, heat loss is an important aspect that must be considered. Usually, the heat loss is caused by its continuous transmission. In injection molding production, there are three main heat transfer modes: radiation, convection and conduction. In addition to most of the heat absorbed by the mold, a part of the heat is discharged into the air through radiation and convection.
In the process of molding, the heat utilization rate of plastic parts needs to be improved, and in the cooling process of molding, the temperature needs to be reduced rapidly, which requires cooling the mold on the battlefield. Generally speaking, the medium used for cooling is water. The reason is that the water price is low and the cost is naturally low. After cooling, the water source can be recycled. But after all, everything has its advantages and disadvantages. Low cost, easy to choose, only used as a coolant.
In order to achieve the cooling effect, it needs to be on the stage of cold mold. What needs to be specially reminded here is that the colder the coolant, the better. Extreme adverse effects can occur if supercooling occurs.