螺旋钻头：铸钢叶片，钻尖，耐磨。
根据刃磨运动关系建立钻尖刃磨的数学模型。
Based on the kinematic relationship of grinding, the mathematical model of grinding parameter has been formulated.
选择刃磨参数困难是钻尖刃磨的一个主要问题。
One of the major problems related to the drill point grinding is the difficulty in selecting grinding parameters.
给出螺旋面钻尖刃磨机床的基本结构及其工作原理。
Basic structure and operation principle of the parallel grinder for helical drill point grinding is presented.
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。
The twist drill may be divided into three principal parts:shank, body and point.
分析了平面钻尖的刃磨方法，并对其几何特性进行了分析和求解。
The grinding methods of planar drill point are discussed. Geometric characteristic of planar drill point is analyzed and solved.
要设计和控制虚轴钻尖刃磨机，首先要建立描述钻头的数学模型。
To design and control the virtual axis drill point grinding machine, mathematical representation to describe the drill point configuration is badly needed.
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。
Mathematical model for hyperboloid grinding of twist drill and relationships between drill design and grinding parameters are introduced.
本文根据选定的枪钻设计参数，导出平面型后刀面枪钻钻尖的数学模型。
This paper describes the mathematical model derivation of gun drill point with planar flanks, for given sets of design parameters.
割刀与定位钻之间的距离可调，且定位钻钻尖比割刀刀尖向前略伸出一段距离。
The distance between the cutter and the drill is adjustable and the point of drill is located a distance before the point of the cutter.
基于麻花钻的制造过程，阐述了钻尖建模原理，并对钻尖的数学模型进行了分析。
Based on the production process, the drill model principle is represented and the mathematical model of drill is analyzed.
麦英国地质调查局的克斯蒂芬森怀疑准确的预测可能是由Cuadrilla的两个钻尖做出。
Mike Stephenson of the British Geological Survey is sceptical that accurate predictions can be made from Cuadrilla’s two drill points.
针对该钻型的特点，提出用钻尖主刃的外缘和横刃转点处的锋角作为其设计参数值。
Point angles at outer corner and chisel edge corner are proposed to be used as the drill design parameters to determine the type uniquely and the relief Angle is used as a supplement parameter.
a型钻头磨刀机结构简单，使用方便，一次装夹就可以完成钻头的钻尖和横刃的修磨。
ZZM-A drill grinder simple structure, easy operation. One setup to complete grindings on drill web and chisel edge.
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。
Based on the basic principle of vibration drilling, its kinematics characteristics was analyzed and the cutting conditions of twist drill were studied.
对这种机床机构进行研究，有利于开发新的机床品种，实现钻尖刃磨自动化、数控化。
It is very helpful to using this kind of mechanism to develop new style grinder to realize cutting tools grinding automatically and numerically.
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。
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.
麦英国地质调查局的克斯蒂芬森怀疑准确的预测可能是由Cuadrilla的两个钻尖做出。
Mike Stephenson of the British Geological Survey is sceptical that accurate predictions can be made from Cuadrilla's two drill points.
在设备研制成功的基础上，对钻孔机钻头不同钻尖、不同切土刀刃角进行了实地试验研究和分析。
Based on the machine development, a research and analyses of auger drill bits with different kinds of drill tips and soil cut blade angles were carried out in tree planting field.
计算了椭圆锥面后刀面刃磨钻尖的结构参数，分析了锥面机构参数以及刃磨参数对钻尖结构参数的影响。
The drill point structural parameters of ellipse cone flank grinding are calculated. The influence of cone structural parameter and grinding parameter to drill point structural parameter is analyzed.
但是，需要建立它们的数学模型。 这不仅是CNC加工和编程的前提，也是分析研究和提高钻尖性能的依据。
Their mathematical modeling are needful, since they are not only indispensable for CNC machining and programming, but also imperative for investigating and improving the drill point performance.
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 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.
在岩巷掘进过程中使用小直经钻尖，小直径药卷和小直径锚杆，可实现光面爆破，有效提高成巷建设，降低掘进成本。
This paper introduces driving rock drift with minor diameter bit, minor diameter cartridage and minor diameter bolt, it can realize smooth blasting, roadway speed is raised, driving cost is reduced.
在岩巷掘进过程中使用小直经钻尖，小直径药卷和小直径锚杆，可实现光面爆破，有效提高成巷建设，降低掘进成本。
This paper introduces driving rock drift with minor diameter bit, minor diameter cartridage and minor diameter bolt, it can realize smooth blasting, roadway speed is raised, driving cost is reduced.
应用推荐