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。
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 mechanism were described.
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。
A design method of hot runner mold for PET bottle base was proposed to extend the temperature range of PET resin for better processing.
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