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吹塑成形工艺是将热塑性塑料的管状料坯或袋状料坯放在模具中,从设置在料坯上的吹气口送入0.5～0.7Mpa的压缩空气,将坯料压向模具壁面,冷却固化后形成所需形状的加工方法。以往,吹塑成形主要用于制造瓶类等中空容器。近10年来,随着吹塑成形工艺的不断发展,逐步转入生产非容器类塑料制件。其中主要有汽车结构零件,办公室机器零件和家用电器中的吹塑件。由于这类塑料件的用途、所使用的原材料、形状、加工设备及加工方法与原来的吹塑成形工艺不相同,因而被称为高技术吹塑成形工艺。
Blow molding process is the thermoplastic tubular material or bag preform on the mold, from the blowing port provided on the blank into the 0.5 ~ 0.7Mpa compressed air, the blank is pressed against the mold wall, cooling and curing After forming the desired shape of the processing methods. In the past, blow molding was mainly used to manufacture hollow containers such as bottles. In the past 10 years, with the continuous development of blow molding process, it gradually shifted to the production of non-container plastic parts. Among them, there are blow molded parts in automobile structural parts, office machine parts and household appliances. Because of the use of such plastic parts, the raw materials, shapes, processing equipment and processing methods used are not the same as the original blow molding process, so called high-tech blow molding process.