Most drilling in metal is done with a twist drill.
大多数金属钻孔用的是麻花钻头。
Twist drill is the tool often used in machine process.
钻是机械加工中使用量较大的一种加工刀具。
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。
Specification: twist drill, three-blade drill, reamer, end-milling cutter.
规格：麻花钻、三刃钻、铰刀、立铣刀。
The twist drill may be divided into three principal parts:shank, body and point.
麻花钻也许可以被划分成三个主要的部分：钻柄、钻体和钻尖。
How to machine twist drill high efficiently and high precisely is a problem to discuss.
如何高效、高精度地加工出合格的麻花钻一直是在探讨的问题。
The application of AE technique to monitoring of twist drill snap has been studied in this paper.
本文研究了声发射技术在钻头折断在线监测中的应用。
This paper mostly studies the spiral configuration of the country standard twist drill concretely.
本文主要对国家标准麻花钻螺旋的结构作具体分析和研究。
The application of FMEA to twist drill based on process of using, as an example is introduced particularly.
应用实例详细介绍了基于使用过程的FMEA在麻花钻钻孔中的应用。
Some methods and measures were presented to pledge the twist drill to have high efficacy at practical Angle.
同时，从实用的角度提出其它一些方法和措施以保证钻头真正发挥其应有的效能。
In general can be twist drill hole, but you should drill holes, step and then expanded to the required diameter.
用一般的麻花钻即可开孔，但应先钻小孔，然后步扩大到所需直径。
Common round steel or steel tube may be rolled into solid or hollow twist drill rods by using the said rolling mill.
普通元钢或普通钢管经此轧机后，可直接变成实心或空心麻花钻杆钢。
The spiral composition of the chip flute of the twist drill has great influence on the rigidity and intensity of drill.
麻花钻切屑槽的螺旋形布局对钻头的刚度和强度有很大的影响。
Usually there are three methods can be used to machine the spiral flute of twist drill, such as cutting, torsion, grinding.
通常普通麻花钻的螺旋槽加工有三种方式：切削加工、扭制加工和磨削加工。
This paper illustrates the principle of the inner cone grinding twist drill and the process of grinding experiments on the tool grinder.
阐述了内锥面法刃磨麻花钻的原理以及在工具磨床上进行磨削工艺试验的方法。
Mathematical model for hyperboloid grinding of twist drill and relationships between drill design and grinding parameters are introduced.
介绍了以回转双曲面作为麻花钻后刀面的数学模型，设计参数与刃磨参数的关系。
Mathematical model for hyperboloid grinding of twist drill and relationships between drill design and grinding parameters are introduced.
基于非共轴螺旋面钻尖的刃磨原理，建立了刃磨参数的数学模型。
Make use of small diameter twist drill to change it into drill of wearing intersect holes and put it into the ability education of locksmith.
利用小直径麻花钻，改磨成“排孔钻”，并运用于技工学校的钳工专业技能培。
Based on the basic principle of vibration drilling, its kinematics characteristics was analyzed and the cutting conditions of twist drill were studied.
基于振动钻削的基本原理，对轴向振动钻削的运动学特性和钻尖切削状况进行了分析。
The forming of flank of conical twist drill was studied and mathematical model of twist drill tine was founded in order to get formula of back clearance.
研究了锥面麻花钻后刀面的成型，建立了钻尖的数学模型，由此确定了后角的计算公式。
On the basis of helicoid theory and computational geometry, the sectional contours of a sample twist drill were found for producing similar twis1t drills.
本文利用螺旋面理论。结合计算几何知识，根据-麻花钻实物求出了加工该工件用的二次圆盘刀具截形。
Mathematical model for twist drill hyperboloid grinding is introduced. The relationship between drill design para meters and grinding parameters is studied.
介绍了以回转双曲面作为麻花钻后刀面的数学模型，研究了钻头设计参数与刃磨参数的关系。
This paper analyses that tip Angle of drill bit influences on cutting capability and life of twist drill, when the material and shape of work piece is different.
分析了工件材料、形状不同时，钻尖顶角的大小对麻花钻切削性能及寿命的影响，介绍了麻花钻的钻尖顶角的选择。
This company produces straight-handle twist drill, hard metal multi-aid straight-handle twist drill, metal hole digger , tungsten alloy saw blade, and building drill.
本公司主要生产直柄麻花钻头，硬质合金多用直柄麻花钻，金属开孔器，钨合金锯片以及建工钻的专业生产厂家。
In this paper, the metal flowing regularity of twist drill in rolling process has been researched, and it finds that the edge-line of the drill influenced the metal flow.
本文从工艺出发，探讨了钻头四辊扭轧过程中金属的流动规律，揭示了刃带对扭轧金属流动的影响。
The paper research the problem of bow to build the model of cutter with the design technology of virtual product, and built the 3D models of twist drill, gang drill, gear hob;
讨论了用虚拟技术对复杂金属切削刀具进行建模的问题，建立了麻花钻、群钻、齿轮滚刀的三维数字模型；
Our company is the profession factory to produce straight shank twist drill and wood working drill, and is national united export product base of"trade, industry, agriculture" .
我公司是从事直柄麻花钻和木工钻生产经营的专业厂商，是国家“贸工农”联合出口商品生产基地企业。
Our company is the profession factory to produce straight shank twist drill and wood working drill, and is national united export product base of"trade, industry, agriculture" .
我公司是从事直柄麻花钻和木工钻生产经营的专业厂商，是国家“贸工农”联合出口商品生产基地企业。
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