聚乙烯软管生产线最近在上海轻工业部包装科学研究所通过部级鉴定。该生产线由挤出、牵引、定长切断、注头等部分组成。其中挤出机机头部分系自行设计,采用了特殊的冷却方式,具有挤出速度比进口机器快,管状圆整度好,壁厚均匀等优点,设备全系国产或自行设计,且简单 Polyethylene hose production line recently in the Ministry of Light Industry, Shanghai Institute of Packaging passed the ministerial level appraisal. The production line by the extrusion, traction, cut off a fixed length, the first note and other components. Extruder nose part of its own design, using a special cooling method, with the extrusion speed faster than the imported machines, tubular roundness is good, uniform wall thickness, the whole system of domestic or self-designed equipment, and simple