The effects of geometrical parameters of die and shear rates on the die swell of PVC extruded through rectangular die were discussed, and the special rules were also analyses theoretically.
研究了PVC材料通过矩形口模挤出时，口模的几何参数和剪切速率对离模膨胀的影响，并从理论上分析了其特征规律。
This paper introduces the Principle, Structure and design of undosed rectangular section punch die.
介绍未封闭矩形截面冲裁模的原理、结构和设计。
Rectangular copper wire is produced by continuous extrusion machine, while the key technology about extrusion wheel, die chamber and die have been studied.
解决了采用连续挤压技术生产铜扁线中挤压轮、腔体和模具等技术关键问题。
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