摘要
介绍了整体钎子的制作及其与活动钎子在凿岩效率、使用寿命和凿岩材料成本等方面的对比 。
In this paper,the make of the setrock bullrod was crown life and footage cost with the reaovable boren were also discussed.The similar engineering can use it as a reference.
出处
《西部探矿工程》
CAS
2002年第z1期303-304,共2页
West-China Exploration Engineering
关键词
整体钎子
镦粗
冲孔
切割
淬火
花梢
setrock bullrod,upset,gadding,cutting,queach,bore bit.
