rock drill

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。

Innovative Design of lest Platfonn for Rock Drilling Machine Based on Functional Analysis;

基于功能分析的凿岩机试验台创新设计

0 as a tool, this paper makes a finite element analysis of telescopic arm structures of TR1000 jack drill,exerts the technology of coupling the degree of freedom of nodes to simulate the connection between every arm.

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。

new drill steel material, one step method quality tungsten carbide, PDC drill steels and DZ series of all hydraulic rock drilling equipment, to build China into a country powerful in rock drilling equipment" is initiated.

面对我国加入WTO在即 ,提出了“实施四大技术改造 (‘钻孔法’新型钎钢 ,‘一步法’等优质凿岩硬质合金 ,复合片齿系列钎具 ,DZ系列全液压凿岩设备 ) ,建设凿岩机具强国”的战略性建

Status and trend of rock drilling machine development

凿岩机械发展现状与趋势

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

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

Terminology of rock drilling machines and pneumatic tools

GB/T6247-1986凿岩机械与气动工具名词术语

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

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

Development and Application of Efficient Energy-saving Full Hydraulic Rock Drill

高效节能全液压凿岩机的开发和应用

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

Cause Analysis and Preventive Measure for Premature Damage of Rock Drill

凿岩机过早损坏原因分析及预防措施

The enterprise beijing langjin photoelectric industry co., ltd. offers Labelling machine among other things .

公司提供大量的穿孔机、凿岩机和贴标签机。

" Compressors,rock drilling machines and pneumatic tools-Preferred pressures"

GB/T4974-1989压缩机、凿岩机械与气动工具优先压力

Internal Combustion Rock Drill Stem Throttle Parts of Structure to Improved Operational

内燃凿岩机柄体部件油门操作机构的结构改进

The factory was set up for drill production in TAI-CHUNG.

于台中县青山设工厂，打造凿岩机用钻头。

Test methods of performance for rock drilling machines and pneumatic tools

GB/T5621-1985凿岩机械与气动工具性能试验方法

Measurement of vibrations in rock drilling machines and pneumatic tools--General

GB/T8910.1-1988凿岩机械与气动工具振动测量方法总则