Study on axial vibration drilling to improve positioning accuracy
轴向振动钻削提高钻孔定位精度研究
Design of Locator for Drilling Hole Based on ARM Embedded System
基于ARM嵌入式系统的钻孔定位仪设计
When it has been decided where we are going to drill, we put up at the surface an oil derrick.
决定了钻孔位置后，我们就在地面上竖起井架。
When it has been decided where we are going to drill,
当确定钻孔地点后，
Remove stem assembly (A) and lock setting by drilling hole and inserting dowel pin (C).
拆卸阀杆总成(A)，并且通过钻孔锁定设置和插入定位销(C)。
A twist drill is designed to drill a hole which has a particular size.
麻花钻用来钻削具有一定尺寸的孔。
Application of Bit Water Way in HDD
水平定向钻进扩孔钻头水口应用分析
Point-to-point systems are suitable for hole-machining operations such as drilling, countersinking, counterboring, reaming,Boring, and tapping.
点位系统适用于钻孔、锪孔、扩孔、铰孔、镗孔、攻丝等孔加工。
Programming Control of Combined Machine Tool for Drilling, Expanding and Boring Locating Hole of S1105 Cylinder Cover;
S1105气缸盖定位孔钻扩铰立式组合机床的系统设计与程序控制
Complications associated with pegging included peg hole drilled on an angle, drilling off center, drilled hole shallow, granuloma and infection, total complications occured in 22.2% in the review, most that are of a minor nature can be cured.
并发症有钻孔偏位、偏斜、孔浅、钻孔处慢性肉芽肿、感染等,发生率为22.2%.
Numerical Simulation of Drilling Mechanism under Non-steady Cutting Conditions for Dills with Indexable Inserts;
可转位浅孔钻非稳态钻削的数值仿真研究
Numerical Simulation of Cutting Forces Generated by Drills with Indexable Inserts and Optimization for Drill Parameters;
可转位浅孔钻钻削力数值仿真及参数优化
Mark location of the holes for the opposite leg and drill three more holes.
标注出对面支柱的孔洞位置,并打钻出三个孔。
Talking about the Hole-site Correcting Technology in Drilled Pile Construction on Granite Plagioclase Strata
花岗岩斜岩地层钻孔桩施工孔位纠偏技术
Application of Wireless-while-drilling Technology on Large Diameter Directional Hole
无线随钻技术在大口径定向工程钻孔中的应用
Design for drawing out gas with high position boring at coal face
轻放工作面抽放瓦斯高位钻孔的设计
A mathematical model of drilling in non-steady state for the drill with indexable inserts
可转位浅孔钻非稳态加工的数学模型
tap(ping) drill
螺丝孔钻，螺丝底孔钻