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- Guangdong HeShan Forder rock drill tools factory is a famous privately operated enterprise specialized in research and manufacturing rock drilling equipments and pneumatic tools. 广东鹤山福特尔钎具厂是中国专门从事凿岩工具研究与制造的企业。
- Rock Drill Tool 钎具
- Troubleshooting for Damages of Drilling Tools on Rock Drill Rigs 凿岩台车钻具损坏的故障分析与排除
- The rock drill is indispensable for digging coal mines. 凿岩机是煤炭采掘不可缺少的工具。
- The drilling tool should be measured precisely. 请准确丈量钻具。
- By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- Mini rock drill has been produced based on patented technology for rock drill warm extrusion. 采用钎头壳体温挤压精密成形专利技术生产了小型凿岩钎头。
- The operation performance of PDC bits with screw drill tool appplied now in oilfield were analyzed comprehensively. 综合分析了目前使用的PDC钻头和螺杆钻具工作特性。
- Products:Air compressor, Genset, Concrete Mixer, Concrete Mixing Plant, Rock Drill For Mining. 产品:空压机,发电机,混凝土搅拌机,搅拌站,搅拌车和钻具
- These two days we have been laying down drill tools. 这两天我们都在甩钻具。
- Fax:0769-22687018 Products:Air compressor, Genset, Concrete Mixer, Concrete Mixing Plant, Rock Drill For Mining. 产品:空压机,发电机,混凝土搅拌机,搅拌站,搅拌车和钻具
- This paper analyses the influence of excentric shaft connection on force case of drill tool,and discusses the causes of drill tool failure. 文中分析了使用偏轴接头对钻具各部分受力情况的影响及导致钻具失效的原因。
- Two methods for determining the critical length of the drill tool section below the hydrodynamic propulsor are presented. 给出了确定井下液力推进器以下钻具临界长度的两种方法。
- Because their cross sections are almost equilateral hexagons,the equilateral hexagons rock drill steels are regarded as my research objects. 钎杆用中空钢,简称“钎钢”,截面以正六角形和圆形为主,因此本文以正六角形钎杆用中空钢为研究对象。
- Ideal for vertical installations on earth augers or rock drills. 理想的垂直装配,质量更高。
- At last,accor ding to the different design claims,enumerate method and iteration of steerable drill tool is designed,and give some design exemples in different conditions. 最后,根据不同的设计要求,提出了设计导向钻具的枚举法和迭代法,并给出了各种条件下的设计示例。
- Features: rock drilling for opencast mining and quarrying field. 适用于露天矿、采石场开采,用于高低风压潜孔钻机。
- LHS Rock Tools CO.,LTD-Rock tools,Rock drills,Rock drilling ... 辽宁葫芦岛莲花山凿岩钎具有限公司(LHS)生产优批发、莲花山凿岩.
- In order to attain the goal,the rotary speed of bit must be increased.By the action of high roatry speed,excentric shaft connection intensifies the fatigue failure of drill tool. 为了达到较好的防斜目的,必须增大钻进时钻头的转速,在高转速的作用下,偏轴接头加剧了钻具先期疲劳失效。
- Get all the drilling tools unlashed. 解开所有钻具。