The deep hole drilling provides the reliable data for the deep ore-prospecting.
深孔钻进的实现，为深部地质找矿提供可靠资料。
Medical equipment-artificial hollow bones, high precision parts deep hole drilling.
医疗器材—人造骨中空孔、精密零件深孔加工。
Strong plus pressure, strong elevation force, large output torque and strong drilling capacity can satisfy the demand for deep hole drilling.
加压力大、提拔力大、输出扭矩大，钻探能力强，能满足深孔钻探的需要。
H. Rotary used in conjunction with slurry pump can be used for the drilling of rock, slurry wall for loosen stratum of the Quaternary period and deep hole drilling in.
回转配用泥浆泵进行岩石钻进及第四纪松散地质层的泥浆护壁和深孔钻进。
Other special nc machining equipment: main products are deep hole drilling, deep hole boring, bull boring milling equipment, horizontal drilling and milling equipment, etc.
其它专用数控加工设备：主要产品有深孔钻、深孔镗、多头镗铣设备、卧式钻铣设备等。
Axial deviation is an unavoidable technical problem when drilling deep holes, and its rectification is an urgent task posed before the deep hole drilling professionals both domestic and overseas.
孔轴线偏斜是深孔加工中无法避免的技术难题，如何纠偏是国内外孔加工行业亟待解决的课题。
This paper introduces briefly the present internal and external state of drilling machining methods, drill material, new technology for making drills and some new types of deep hole making drills.
介绍了当前国内外钻削加工的方法、钻头材料、制造钻头的新工艺及一些新型的深孔加工钻头。
Application: Drilling deep hole in non alloy steel, alloy steel, grey cast iron, malleable cast iron, special aluminum or magnesium alloy.
应用：适用于非合金钢、合金钢、灰口铸铁、球墨铸铁、可锻铸铁的深孔钻削，尤其适合铝合金和镁合金的加工。
At the present, the problem which is urgently to be solved in gas discharge is the drilling technology in soft coal seam gas discharge, especially the drilling technology of the deep hole.
目前在瓦斯抽放中急待解决的问题是软煤层瓦斯抽放的打钻技术，尤其是深孔打钻技术。
Secondly, dynamic model of deep-hole drilling system with the two degrees of freedom are established in the light of principles of machining chatter in cutting processes.
随后，根据速度反馈和位移延时反馈的颤振原理，建立了深孔钻削加工两自由度颤振动力学模型。
Our main products include washer assembly machines, hydraulic automatic slot milling machines, check weighers, deep-hole drilling machines, and zip lock bags. We can also customize various machines.
华司组合机，液压自动铣槽机、钻尾螺丝机、选别机、深孔机、攻牙机、自动车床以及夹链胶袋头，及来图订做各类机机械。
In order to solve the difficulties from the drilling of deep hole, this paper introduces the drilling technique for deep hole by supersonic circumferential vibration.
针对深孔加工难度大的特点，采用超声圆周振动加工技术，在普通车床上附加一套振动装置。
The result shows that ultrasonic vibration drilling could improve the working accuracy and efficiency, and could solve the problems exited in the drilling process of small deep hole.
结果显示，该工艺方法能大幅提高小深孔的加工精度和效率，很好地解决了小深孔加工中存在的难题。
Product use: machining deep hole gun is applicable to stainless steel, aluminum alloy, steel, cast iron and other materials of drilling, deep hole boring of workpiece.
产品用途：适用于普通碳钢、铸铁等各种材质工件深孔镗的钻孔，镗孔，刮削滚轧加工。
Serial blasting crater test method was used in underground medium and deep hole mining of Dahongshan copper mine for determining drilling and blasting parameters, and good results were obtained.
大红山铜矿地下中深孔采矿中，采用系列爆破漏斗试验方法确定中深孔采矿凿岩爆破参数，取得了较好的效果。
For the extended well, high angle drilling, horizontal drilling and deep well drilling, or in the well section of large dogleg severity, or the long open hole, casing wear often happens.
在大位移井、大斜度井、水平井和深井钻井中，或者在狗腿严重度较大的井段，或者在技术套管下入后的长裸眼钻井过程中，常常出现套管磨损问题。
YNF30 jackdrill with caunter-cylinder is developed with the aim at resolving the problem existing in the deep-hole drilling by single-cylinder hand diesel jackdrill.
针对当前单缸手持式内燃凿岩机深孔凿岩存在的问题，研制了YNF30型带副缸式内燃凿岩机。
The buttock of corpses were dissected from the superficial to the deep by the anatomic instrument, separating the nerves, blood vessels of drilling through the piriformis' upper and lower hole.
采用解剖器械对臀区进行由浅入深的解剖，分离出梨状肌上下孔的神经、血管。
The article describes how DF concept is used in the design of pressure feeders in small-diameter deep-hole drilling process.
介绍如何应用DF 系统原理设计小直径深孔加工中吸压送水器的问题。
It's difficult to sidetrack in the deep well in salt bed, especially the creeping of the gypsum-salt bed, hole diameter reduction and collapsion etc. are the biggest barriers for sidetrack drilling.
在深井盐层中进行侧钻困难较大，膏盐层的蠕动、缩径、垮塌等不稳定性是侧钻的最大障碍。
Subgrade excavation of rock using pneumatic drill and DTH drill Hole drilling, loose blasting in small and deep hole blasting, excavators and loaders loading ballast, dump truck, bulldozer tie.
正在翻译，请等待…路基挖石方采用风钻和潜孔钻打眼，小型松动爆破和深孔爆破，挖掘机和装载机装碴，自卸汽车运输，推土机配合。
Based on analyzing the demands of small-diameter deep-hole drill for vibration drilling, a new inner-chip removal drill was designed.
分析了小直径深孔振动钻削对钻头的要求；设计了一种新型内排屑深孔钻头；分析了该钻头的结构和刃磨特点，进行了振动钻削试验。
Based on analyzing the demands of small-diameter deep-hole drill for vibration drilling, a new inner-chip removal drill was designed.
分析了小直径深孔振动钻削对钻头的要求；设计了一种新型内排屑深孔钻头；分析了该钻头的结构和刃磨特点，进行了振动钻削试验。
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