探讨提高凿岩钎具质量和使用寿命的方法

Discussion about the high quality and long life of rock-drilling bit

讨论了凿岩钎具损坏的原因,并从设计、钢材选择、制造和使用技术等方面来探讨提高凿岩钎具质量和使用寿命的方法。

This paper is dealing with causes of failure of drill fixture.The influence on drill fixture for incresing its quality and service life are discussed as viewed from design and selection of steel and manufacture and service techniques.