广泛用于零部件的压装成型、拉伸、弯曲、打孔、压印，轴类零件的校正和压装等。
Widely used in parts of the press-fit shape, stretching, bending, punching, stamping, shaft alignment and press-fit etc.
介绍了六种塑料管材连续双向拉伸技术，对其成型方法、加工装置和性能提高都作了简单介绍。
This paper introduces six kinds of polymer tubes continuous biaxial drawing technology, we simply introduce their molding methods, process equipment and performance improvement.
这种薄膜与现有的吹塑成型的高填充拉伸pe膜和机械扎孔膜，在形成微孔原理上、工艺控制上和使用性能上有着显著区别。
Compare with current high filling blow film of PE and machine penetrating hole film, it has remarkable difference in principle of forming micropore, process-control and use properties.
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