钻孔

The Company may, in accordance with the requirements of the processing parts and design and manufacture of various types of special combination of automated machine tools and automatic lathes, precision-gear automatic tapping machines, reciprocating dedicated machines, fixed multi-axis drilling tapping machines, elevating drilling Tapping dedicated machines, multi-disc special machines, machine tools and various combinations for accessories, dynamic head, boring Xitou and hydraulic slider, at the same time various types of automated machine tools for transformation, maintenance, repair and upgrading.

本公司可根据客户的零件和加工要求来设计制造各类自动化专用组合机床及自动车床，齿轮式精密自动攻牙机，往复式专用机，固定式多轴钻孔攻牙机，升降式钻孔攻牙专用机，多工位圆盘式专用机，以及各类专用组合机床配件；动力头，镗铣头和油压滑台等，同时对各类自动化专用机床改造，保养，维修，升级。

This design introduced the bulldozer with the edge board in the machining center the drill hole jig design and the simulation elaborated the bulldozer with the edge board in the machining center the drill hole jig design is mainly designs jig's positioning device the clamp and the jig body's structure according to the edge board structure shape selects jig various components according to the edge board's material the material carries on the intensity examination has realized jig's in processing localization and the clamp function.

本设计介绍了推土机用刃板在加工中心上钻孔的夹具设计与仿真，阐述了推土机用刃板在加工中心上钻孔的夹具设计，主要是根据刃板的结构形状来设计夹具的定位装置、夹紧装置和夹具体的结构，根据刃板的材料来选用夹具各零件的材料，进行强度校核，实现了夹具在加工中的定位和夹紧作用。

Vertically drill with Φ12mm churn drill at certain position, set antenna support at drilled position, fix the antenna support foundation with steel expansion screw.

在已确定的安装位置，用Φ12mm 的冲击钻垂直钻孔，将天线架摆在已钻孔的位置，用钢制膨胀螺钉紧固天线架底座。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed.

针对构件组成材料的性能特点和破坏方式，研究了佥刚石磨料对构件进行套料钻孔的机理，研制特定的钻孔工具和工艺装置，对构件钻削区及其周围材料施加预压应力。

In view of the differences in material property and fracture mode, the mechanism of using diamond polish to bore in component is studied, and a special diamond core boring bit is developed. The technological equipment can exert compressive pre-stress on drilling area and surrounding material.

针对构件组成材料的性能特点和破坏方式，研究了金刚石磨料对构件进行套料钻孔的机理，研制特定的钻孔工具和工艺装置，对构件钻削区及其周围材料施加预压应力。

The results show that the study on transimittivity can be done using the points along the circle arc centered at the roadway or the boring core, the transimittivity at the joints along the right angle ray can be studied using one single point behind the joint, and the studies on transimittivity can be done on any reasonable radius value of the roadway or boring core in a typical rock.

分析结果表明：单节理后各节点透射率的研究，可以通过单节理后某一以巷道或钻孔中心为中心的圆弧上各节点的透射率来展开；射线角为90°的射线上节理后各节点透射率的研究，可以通过节理后某一节点的透射率来展开；单节理的透射率的研究可以在一个固定半径值的巷道或钻孔的模型上用一种典型的岩石进行。

The machine equipments needed has spiral drill press and drill to expand machine or diving drill press.

所需机械设备有螺旋钻孔机、钻扩机或潜水钻孔机。

The strongpoint of level drill-hole drainage is that the holes can be placed on higher position,then can obtain larger gas drainage concentration and improve the efficiency.

水平钻孔抽放的优点是可选择高的钻孔位置，能获得更大的瓦斯抽放浓度，可提高抽放效率。

In the process of draining gas in gob area of a coal mine, the stability of surface drilling well and gas drainage effect were improved by studying different factors affecting the drainage effect and the term of service with the method of numerical simulation of computational fluid dynamics and field test.

在应用地面钻井抽采矿井采空区瓦斯的过程中，为了提高地面钻孔的稳定性及瓦斯抽采效果，采用CFD数值模拟和考察试验的方法研究了影响地面钻孔抽采效果和服务期限的不同因素。

NC Drill: Numeric Control drill machine used to drill holes at exact locations of a PCB specified in NC Drill File.

数控钻孔：使用数控钻机和数控钻文件在 PCB 的准确位置钻孔。

If you are unfortunate enough to the lovelorn, please tell me, I will help you out, really, please contact me!

如果你不幸失恋了，请告诉我，我会帮助你摆脱困境，真的，请联系我啦！

China's plan to cut energy intensity by 20 percent and pollutant discharges by 10 percent between 2006 and 2010 is a case in point.

中国计划在2006年到2010间降低20%的能源强度和减少10%的主要污染物排放，就是一个这样的例子。