Carryng out rock drilling in shifts in the construction of ramp;
凿岩滚班制作业循环在斜坡道施工中的应用
The rock drilling rate, service life and tungsten carbide toothavailability of the series of bits are obviously better than those of chip and button type bits.
该系列钎具凿岩速度、寿命和硬质合金片齿有效利用率均显著优于片状和球齿钎具。
The kinematics equations of the booms of rock drilling are established.
为实现凿岩机器人钻臂在凿岩过程中的自动定位，建立了多关节钻臂的运动学方程；根据钻臂的实际工作特点和工作范围提出了一种求逆解的方法。
Approaching on wear of hard alloy using drilling;
凿岩用硬质合金的磨损行为初探
An Automatic Control Program of Single-hole Drilling Proce-dure with Full-Hydraulic Cavation Drill-Cabel;
全液压掘进钻车单孔凿岩程序自动控制方案
This paper describes the rectification of drilling and b.
文章介绍了通过调整凿岩爆破参数，改变炮孔布置方式而达到降低爆破成本、改善爆破效果的目的。
A new lowering-noise device equipped on rock drill;
一种新型凿岩机消音器的研制
Drill jig size calculation of the double inclined holes in the handle of YT 24 rock drill
YT24型凿岩机柄体双斜孔钻模尺寸计算
A finite elenent analysis of telescopic arm of TR1000 rock drill is made by using the finite element software Ansys8.
0有限元分析软件为工具,对TR1000型凿岩机伸缩臂结构进行有限元分析,运用节点自由度耦合技术来模拟各节臂的连接。
The requirements of automatic control system of the drilling rig to the sensor are briefly discussed.
简要论述了凿岩钻车自动控制系统对传感器的要求,介绍了磁性编码器的工作原理和性能特点,并认为这种编码器适合用于凿岩钻车的自动控制系统。
automatic rotation stopper
自动旋转伸缩式凿岩机
bar rigged drifter
架式风钻，架式凿岩机
auto feed drifter
自动推进架式凿岩机
hand-held sinker
向下打眼的手持凿岩机
Drilling and Blasting Technology of Hard Rock in New Ventilating Shaft in Zhangxin Coal Mine
张新矿新风井坚硬岩石凿岩爆破技术
Optimization of drilling and blasting parameter of fracture rock
破碎矿岩凿岩爆破参数优化方法探讨
A machine that bores through hard surfaces, used especially for tunneling through rock.
凿岩机一种钻孔于坚硬表面的机器，尤用作凿穿岩石的隧道
We rushed back to the place I had chipped the rock.
我们赶紧回到我凿岩石的那个地方。
Terminology of rock drilling machines and pneumatic tools
GB/T6247-1986凿岩机械与气动工具名词术语
Rock drilling equipment--Hollow drill steels in bar form
GB/T1301-1994凿岩钎杆用中空钢
Rope thread extension steel bars for rock drilling
GB/T6482-1994凿岩用波形螺纹连接钎杆
air feed stoper
压风推进的伸缩式凿岩机
the infernal racket of the jackhammers.
手提凿岩机的令人厌恶的轰隆声
Carbide detachable bit for rock drilling
GB/T6480-1994凿岩用硬质合金钎头
drill ,interchangeable, of base metal, for rock drilling or earth boring
凿岩或钻土用钻头,贱金属制,可互换式
Simulation Research in Dynamic Process of Valveless Hydraulic Drill;
无阀液压凿岩机动态过程的仿真研究
Optimization of drilling and blasting parameters based on back-propagation neural network
基于BP神经网络的凿岩爆破参数优选
Study on drilling quality of samba 261 drill for VCR stope in Tonglvshan
铜绿山VCR法采场Simba261钻机凿岩质量研究
