| 新型挤出机头及其挤出流动分析 |
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| 引用本文： | 程红强,杨云珍,申长雨.新型挤出机头及其挤出流动分析[J].塑料工业,2005,33(2):28-31. |
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| 作者姓名： | 程红强 杨云珍 申长雨 |
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| 作者单位： | 郑州大学国家橡塑模具工程研究中心,河南,郑州,450002 |
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| 摘 要： | 介绍了可安装在现有的通用挤出机上的芯棒旋转式长玻纤维螺旋在线复配塑料管材挤出机头的结构特点和工作机理，并对口模内纤塑熔体的流动进行了理论分析，采用ANSYS软件对口模内熔体的流动进行了模拟。结果表明：熔体的速度分布符合设计要求，即聚合物颗粒塑化熔融后在线混合入一定长度的玻璃纤维后，熔体分子和玻璃纤维沿所挤出圆形管材的管壁螺旋取向。
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| 关 键 词： | 管材挤出机头 芯棒旋转 玻纤螺旋取向 流动分析 罗伯逊迭代法 |
| 文章编号： | 1005-5770(2005)02-0028-04 |
| 修稿时间： | 2004年10月22 |
New Type of Extrusion Die and Numerical Analysis of Extrusion Flow |
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| CHENG Hong-qiang,YANG Yun-zhen,SHEN Chang-yu.New Type of Extrusion Die and Numerical Analysis of Extrusion Flow[J].China Plastics Industry,2005,33(2):28-31. |
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| Authors: | CHENG Hong-qiang YANG Yun-zhen SHEN Chang-yu |
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| Abstract: | In order to improve the mechanical capability of plastic tubular used widely, in this paper, the structure feature and operating principle of die patent is introduced The die with the mandril rotating is installed in the present general extruder which is applied to the extrusion of the plastic tubular online mixing with long fiber-glass Analysis of the flow in the die, the distributing of the velocity of flow accords with requirement of design After the polymer granule melted is made, fiber-glass in a length is mixed online, fluid molecule and fiber-glass are oriented helical alone the tube wall of the extrusion circular tubular |
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| Keywords: | Extrusion Die for Pipe Mandrel Rotating Fiber Glass Helical Orientation Analysis of Extrusion Flow Robertson Iterative Method |
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