PROCESS-CONTROL OF PROFILE EXTRUSION USING THERMAL METHOD .1. MATHEMATICAL-MODELING AND SYSTEM-ANALYSIS

被引：9

作者：

YANG, B ^{[1
]}

LEE, LJ ^{[1
]}

机构：

[1] OHIO STATE UNIV,DEPT CHEM ENGN,COLUMBUS,OH 43210

来源：

POLYMER ENGINEERING AND SCIENCE | 1988年 / 28卷 / 11期

关键词：

CONTROL SYSTEMS - EXTRUSION - Process Control - MATHEMATICAL MODELS;

D O I：

10.1002/pen.760281102

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

An analytical model based on the heat penetration through the die wall was proposed to calculate the effect of die wall temperature on the flow of polymer melt in profile dies. Model prediction matched well with the experimental data measured from a modified Instron capillary rheometer. The model was applied to an extrusion line with an L-shaped profile die. Dynamic responses of the profile extrusion line based on this die were measured and modeled. The pairing of manipulated variables and controlled variables was analyzed.

引用

页码：697 / 707

页数：11

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