仪表电訊工业产品中有部分有色金属(如錫青銅、鋁鎂合金等)的管状零件(如图1、图2),以往采用板条料引伸或用棒料、管料切削加工,或用大直徑管子拉絲成形。这些工艺不仅工序多、成本高、材料工时浪費,并且精度往往达不到要求,机械性能差。几年来,我厂根据有关资料介绍,进行管状零件冷挤工艺試驗,获得了初步效果,現介紹如下。 Instrumentation Telecommunications products in some non-ferrous metals (such as tin bronze, aluminum-magnesium alloy, etc.) of the tubular parts (Figure 1, Figure 2), the past extension of the use of bar or bar, pipe material cutting, or Large diameter pipe drawing forming. These processes not only process more, high cost, material waste of time, and the accuracy is often less than the requirements, poor mechanical properties. Over the past few years, I plant based on the information introduced, the cold extrusion process for tubular parts test, obtained initial results, are presented below.