挤塑模头中料流停留时间计算  

Calculation of the Plastics Flow Residence Time in the Extrusion Tooling Head

作　　者：顾天培 刘少文 

机构地区：[1]中国重型汽车集团公司,山东济南250002

出　　处：《模具工业》2001年第3期38-40,共3页Die & Mould Industry

摘　　要：对塑料异型材挤出模机头典型流道结构进行了分析 ,给出了塑料熔体在各种类型的流道中停留时间的计算公式 ,并阐述了影响熔体停留时间的因素。An analysis was made on the typical flowing channel structure of the head of the extrusion tooling for plastic profiles. The formula for calculating the residence time of the melted plastic body in various channels was given. And the factors that affect the residence time of the melted body were stated.

关 键 词：塑料异型材 挤塑 模头 停留时间 塑料熔体 计算 

分 类 号：TQ320.52[化学工程—合成树脂塑料工业]