| 压注成型简介 |
| 添加时间：2019/11/8 15:36:41 浏览次数： |
| 压注成型亦称铸压成型。 是将塑料原料加入预热的加料室内，然后把压柱放入加料室中锁紧模具，通过压柱向塑料施加压力，塑料在高温、高压下熔化为流动状态，并通过浇注系统进入型腔逐渐固化成塑件。 此种成型方法，也称传递模塑成型。 压注成型适用于各低于固性塑料，原则上能进行压缩成型的塑料，也可用压注法成型。但要求成型物料在低于固化温度时，熔融状态具有良好的流动性，在高于固化温度时，有较大的固化速率 。 Injection molding is also called casting molding It is to add the plastic raw materials into the preheating feeding room, then put the pressure column into the feeding room to lock the mold, apply pressure to the plastic through the pressure column, the plastic melts into a flowing state under high temperature and pressure, and enter the mold cavity through the pouring system to gradually solidify into the plastic part This forming method is also called transfer molding The injection molding is applicable to the plastic which is lower than the solid plastic and can be compressed in principle, or the injection molding can be used. However, it is required that the material has good fluidity in the melting state when it is lower than the curing temperature, and larger curing rate when it is higher than the curing temperature. |
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