基本解释：打钻,钎杆
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In order to improve the service life of the drill rod,a novel method for reducing residual stress,magnetic treatment,is developed.本研究对钎杆中的残余应力采用了一种崭新的处理方式———磁处理方法,通过动态磁场与材料中残余应力的相互作用,来达到改善钎杆中残余应力分布、提高钎杆寿命的目的。
Based on the principle of finite life design, the influencing factors on the fracture resistance and fatigue life of drill rod are analyzed according to wave mechanics and dynamics of percussive drilling.基于有限寿命设计原理,运用波动力学、冲击钻进动力学,分析了钎杆抗断性能及其疲劳寿命影响因素,提出了具有低应力、高抗断阻力特性的薄壁管式钎杆结构·薄壁管式钎杆,以不增加钎钢消耗量为前提,通过显著增大钎杆外圆直径,达到提高钎杆抗断性能、降低钎杆循环应力水平的目的·同时,结合材料的S-N曲线和钎杆的理论载荷谱,运用电算程序,预估了新型结构钎杆的抗疲劳寿命·工业考核表明,薄壁管式钎杆的疲劳寿命达到1200m,比国产传统钎杆提高近70%
The paper has obtained calculation equations of bending strength for drill rod samples in all cases based on GB977-67 and the principle of mechanics of matenials.本文在ＧＢ９７７－６７的基础上结合材料力学的原理与方法，推导出了钎杆试样在各种情况下抗弯强度的计算公式。
Study and application of the drill noise control in the pneumatic rock driller气动凿岩机钎杆的噪声控制研究与应用
Analyses the broken accident of the hollow turret rock drill which is entrusted by Dalian productionQuality supervision verification office, came to a conclusion that the main broken cause is due to the lowerhardness of the drill (the surface hardness is 132HV0.对凿岩用中空六角形钎杆的断裂事故进行了分析，结果表明，断裂主要是针杆硬度过低造成的（其表面硬度为132HV0。
Rock drilling equipment--Hollow drill steels in bar formGB/T1301-1994凿岩钎杆用中空钢
Rope thread extension steel bars for rock drillingGB/T6482-1994凿岩用波形螺纹连接钎杆
Hollow hexagonal drill rods with tapered connection for rock drillingGB/T6481-1994凿岩用锥形连接中空六角形钎杆
Numerical Simulation and Experimental Research of Hollow Drill Steel Rolling;钎杆用中空钢轧制过程的数值模拟及实验研究
Study and application of the drill noise control in the pneumatic rock driller气动凿岩机钎杆的噪声控制研究与应用
immersion vibrator浸入式振动器;振动钎杆;插入式振捣器;插入式振动器;棒式内部振捣器
Silver Brazing Method: Apply brazing wire or rod at point where tube enters valve socket.银钎焊法：将焊线或焊杆点在阀门里的管道套座上。
electric brazing电加热钎焊;电热钎焊;电热铜焊;电热硬钎焊
Study on the new type soldering acid and filler metal for restoration of ancient bronze;古代青铜器修复钎焊用钎剂与钎料的改性研究
Aluminum Alloy Soldering Procedure Research Based on the Sn-Pb-Zn Solder;基于Sn-Pb-Zn钎料铝合金钎焊工艺研究
The Research on Properties and Bonding Mechanism of Armorphous Cu-P Filler Metals;非晶Cu-P钎料的性能及钎焊机理研究
Play the Advantages Role of Tungsten Resources to Construct a Strong Country in Drilling Steel and Drilling Tools;发挥钨矿资源优势 建设钎钢钎具强国
Ti-25Cu-25Zr Filler Metal and Pure Titanium Brazed ProcessTi-25Cu-25Zr钎料与纯钛的钎焊工艺
A Study on the Active Brazing of AlN to W-Cu Alloy with Ag-Ti_4 Active Filler AlloyAg-Ti_4活性钎料钎焊AlN与W-Cu合金研究
Bonding process of pure copper with amorphous Cu-P interlayer非晶Cu-P钎料钎焊接头形成过程
Characteristics of Amorphous Brazing Ribbon of Cu-P Based Alloy非晶态铜磷钎料真空钎焊紫铜的性能
Study on Processing Technology and Brazing Performance of Ag55Cu21Zn17Sn5Ge2 SolderAg55Cu21Zn17Sn5Ge2钎料加工工艺及其钎焊性能的研究
Phase Constitution of Soldering Seam and Mechanical Properties of Zn Matrix Filler Metal Soldering Magnesium Alloy AZ31B JointZn基钎料钎焊镁合金AZ31B接头的钎缝物相及力学性能
