摘要
介绍了国内外液压凿岩机和露天、掘进、采矿、锚杆液压钻车的结构与发展现状,指出了我国液压凿岩设备的差距,提出了发展建议。
The paper describes the structures and developments of the hydraulic rock drills and the hydraulic open-pit, tunneling, mining, and anchor drill rigs home and abroad. It also points out the gaps between domestic and overseas hydraulic rock drilling machines and puts forward some advices on development.
出处
《凿岩机械气动工具》
2017年第1期1-9,共9页
Rock Drilling Machinery & Pneumatic Tools
关键词
超粗晶粒
硬质合金
截齿
断裂韧性
矫顽磁力
ultra-coarse grain
cemented carbide
pick
fracture toughness
coercive force
