【摘要】 为解决PET塑料加工温度范围较窄,工艺性较差的问题,提出了PET吹塑瓶坯热流道模具设计方法。分析了PET瓶坯的成型工艺,包括PET树脂的干燥、模具工作部分的温度控制等,阐述了热流道注塑模的结构及工作原理。实验证明,该模具结构设计合理,操作方便,能满足使用要求。更多还原

【Abstract】 A design method of hot runner mold for PET bottle base was proposed to extend the temperature range of PET resin for better processing.The forming technology was analyzed,including drying of PET resin and the temperature control of mold work section.The construction of a hot runner mold and its mech-anism were described.The results show that the design of the mold structure is reasonable.更多还原