地层测试器进行测试时 ,经常发生由于射孔雷管线折断 ,雷管和弹药无法引爆的现象。经过研究分析 ,主要是由于引线孔的入口下边缘呈尖锐状 ,当弹室后盖拧紧时 ,很容易将雷管线压断 ,造成雷管报废 ,测试失败。针对这一情况 ,采用磨铣工具 ,将引线孔入口处铣平、磨光 ,并使得入口 Stratigraphic testers often fail because of a broken perforation line and detonators and ammunition. After research and analysis, it is mainly because the lower edge of the entrance of the lead hole is sharp. When the rear cover of the bomb is tightened, it is easy to crush the lightning pipeline, resulting in the detonator scrapped and the test failed. In view of this situation, the use of milling tools, the entrance to the hole milling flat, polished, and the entrance