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 article presents the application of technique datum hole in designing special clamps for drilling diagonal bore and finishing inclined plane, and raises calculation analysis.
论述加工斜面、斜孔零件时工艺基准孔在夹具设计时的应用，并提出了计算分析。
Field applications show that this technique can effectively prevent coal beds sloughing and decrease hole problems and drilling accidents.
现场应用表明，该技术能有效地防止煤层坍塌，减少井下复杂情况及事故。
The hollow-through DTH hammer drilling techniques with whole hole reverse circulation is adopted, it is proved that this technique can resolve drilling.
贯通式潜孔锤反循环钻进技术是一种先进的钻探方法，适用于复杂地层中的地质勘探以及各类钻孔工程。
The method of rotary drilling hole and protecting hole wall by static mud is an advanced technique to drill hole.
静态泥浆护壁旋挖成孔工艺是一项先进的成孔工艺。
For eliminating the errors in deformation measuring and improving the accuracy in hole-drilling method, this paper presented an optical technique, grating rosette and moire interferometry.
针对钻孔法测量残余应力方法中变形测量存在的误差，提出用光栅应变花测量钻孔所释放的残余应变。
The drilling technique of diagonal water-hole is the key step in digital control machining of a lip mould.
唇模数控加工工艺的重点和难点是斜水孔的钻削工艺。
The paper also presents measures for preventing drilling hole curve, drilling technique in broken zone and fissure zone and technique of sealing hole and pluging loophole.
预防锚孔弯曲的措施；破碎带、裂缝带的钻进技术及封孔固壁堵漏技术。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
With the increasing demand of the lateral drilling and slim hole drilling, the coiled tubing (CT) operating technique will play a great role in horizontal well drilling, well workover and completion.
随着我国侧钻井和小井眼钻井需求的不断增加，连续油管作业技术在我国水平井钻井、修井及完井作业中将会发挥巨大作用。
应用推荐