The author holds that the use of spiral mandrel die is a good method to eliminate the fusion jointing line to improve the product quality, and it should be adopted in the p…
作者认为螺旋芯棒机头是解决熔接线提高制品质量的较好办法，应推广到管材挤出生产中去。
Spiral mandrel blown-film die is advanced and widely used in film blowing which is one of the most popular processing for plastics film.
薄膜挤出吹塑是应用最广泛的塑料薄膜加工方法之一，而螺旋芯棒式机头则是应用最为广泛的、先进的吹膜机头。
The technology of designing and making for extrusion die with small die-mandrel by several examples is introduced.
通过实例介绍了具有小模芯的铝型材挤压模的设计和制造方法。
The influence laws of mould structure, including wiper die and the style, size and installed position of mandrel, have been studied.
通过数值模拟研究获得了包括防皱块和芯棒形式、尺寸和安装位置在内的模具结构对制件成形质量的影响规律；
In addition, since the geometry of the flow channel in a spiral mandrel die is quite complex, it is difficult to create the FEM model of the flow channel by those ordinary ways.
此外，由于螺旋式管机头流道的复杂性以及畸形性，用通常方法很难建立起该流道的有限元模型。
In addition, since the geometry of the flow channel in a spiral mandrel die is quite complex, it is difficult to create the FEM model of the flow channel by those ordinary ways.
此外，由于螺旋式管机头流道的复杂性以及畸形性，用通常方法很难建立起该流道的有限元模型。
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