This paper introduces the principle of unlocking drill by shock and the design of shock tool.
本文介绍了震击解卡的原理和震击工具的设计计算 ,并通过试验证明震击是一种有效的解卡方
Structural Design and Mechanism Study on Water-saving Rotary Percussive Devices;
节水型回转冲击钻具结构设计与钻进机理研究
Diamond drilling replaced percussion drilling.
金钻探取代了冲击钻探。
The Research of Portable and Quick Vibration Impact Sampling Equipment and Drilling Technology;
轻便快速振动冲击取样机具与钻进工艺的研究
Production of electrical tools, such as electric drills impact, angle angle grinder, saw, electric drill and curves.
生产各类电动工具,如冲击电钻,角向磨光机、电钻和曲线锯等。
hand churn drill
手动钢绳冲击式钻机
The Strength and Modal Analysis of GCF-1500 Impact Drilling Machine Tower;
GCF-1500冲击钻机钻塔强度与模态分析
A Study of the Technique of Cable Drilling in Modern Time;
浅述近代冲击(顿钻)钻井工艺技术
Complete crystal shape,good diaphaneity,high compact strength and thermal stability.Suitable for cutting,drilling and grinding tools.
晶体完整,透明度好,具有高的抗冲击强度和热稳定性。适用于高档次切割工具、钻头、碾磨工具。
Analysis and Treatment of an Accident of Blocking Bore of Excavated Hole Driven Cast-in-Place Pile by Percussion Drill
一起冲击钻成孔灌注桩卡钻事故的分析与处理
Downhole drill hammers and drills
GB/T13344-1992潜孔冲击器和钻头
The Modal Identification of the Hybrid System of GCD-1500 Percussive Drilling
GCD-1500钻机冲击机构刚柔体系模态识别
Application of CJF Series Strike Backcycling Engineering Driller
CJF系列冲击反循环工程钻机的应用
Key Construction Technology and Problem Treatment on Impact Bored Pile
冲击钻孔灌注桩施工要点及问题处理
Experiment and Analysis Study on Percussion Device of CHF-20 Percussion and Rotary Reverse Circulation Drilling Rig;
CHF-20型冲击-回转反循环工程钻机冲击机构试验及分析研究
A Test Method for Impact Energy and Efficiency of Intermittent Air-Tools
冲击式风动工具冲击能及效率检测方法的研究
A Technical Investigation on Drilling in Australia and the Technical Service of Wire-line Coring Percussive-rotary Drilling
澳大利亚钻探技术考察与绳索取心冲击回转钻进技术服务
Penetration Mechanism of DTH Percussion Compact Drilling and Experimental Research on Compact Bit;
潜孔锤冲击挤密钻进机理及挤密钻头的设计与实验研究
Application of Percussion Drill and Rotary Drill in the Construction of Dock Rock-socketed Oblique Piles
冲击钻机与回转钻机在码头嵌岩斜桩施工中的应用
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