吹塑分挤吹和注吹两种,挤吹指的便是通俗吹塑机械的吹塑加工(即:质料塑化后挤出型胚后吹塑),注吹则是经由进程注塑加工出的胚管再吹塑,注吹也叫拉吹,拉吹又分一步发和二步法。
一步发的拉吹则是注塑和拉吹是一台机械完成,先注出型胚(型胚模具须带模温出产)以确保充足吹气收缩的温度进入拉吹模腔停止拉吹。
二步法例是注塑机先注出型胚后再次加温停止拉吹。
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