由我校模具研究所洪振声副教授为首完成的高性能钎尾的研制课题于1993年10月19日已由湖南省教育委员会主持并组织签定。钎尾是液压凿岩机的重要工艺装备和易损件,广泛应用于矿山开采,铁路隧道工程及水电建设等部门,其工作条件极为苛刻,受力状态十分复杂,容易发生早期失效,消 The research project of high-performance brazing tail, which was completed by associate professor Hong Zhensheng Institute of Molds, was presided over and organized by Hunan Education Commission on October 19, 1993. Drilling tail is a hydraulic rock drill important technology equipment and wearing parts, widely used in mining, railway tunnel construction and hydropower construction and other departments, the working conditions are extremely harsh, the state of force is very complex, prone to early failure, consumer