马塞洛在上半场临近结束前获得了单刀面对克拉瓦的机会，但是他的射门高出了横梁。
Marcelo faced Kelava in a one-on-one close to half-time, but his shot went over the crossbar.
我们研制的MMK6026六轴五联动CNC工具磨床用于加工锥形球头立铣刀和其它复杂形状刀具的前刀面与后刀面。
Our product MMK6026 , which is CNC tool grinder with 6-axis and 5-coordinate controls, is used to machine the rake face and relief of conical ball end mills or other complex shaped tools.
俯视显微照片显示了刀具的切削刃和前刀面。
The top view micrographs show the cutting edge and the rake face of the tools.
介绍了用图形模拟技术校核前刀面磨削干涉的方法。
The technology of graphics simulation is introduced to check the grinding interference of the helicoid face of cylindrical milling cutters.
在试验研究基础上进行了有后刀面磨损的正交切削模型分析。
An orthogonal cutting force model with tool flank wear has been analyzed based on cutting test investigation.
受铣削温度分布的影响，前刀面磨损形态表现为较宽的月牙洼；
The wear form on the rake face is characterized as broad crater, which is directly influenced by the distribution of milling temperature.
第二章分析了刀具前刀面、后刀面和边界磨损等磨损表面的特征。
The second chapter analyzes the characters of rack face, flank face and boundary wearing.
当第二刀面设计成非线性面时，可以是内凹弧线或者是外凸弧线；
When the second knife face is designed to be a non-linear face, the second knife face can be an inner cavetto line or an outer cavetto line;
后刀面热损伤层的定量分析，可以为确定最小刃磨余量提供理论支持。
The study of thermal damage layer for the major flank can provide theoretical guidances for determining the minimum machining allowance of edge grinding.
前刀面热损伤层的定量分析，可以为随动磨削的加工余量提供理论依据。
The analysis of thermal damage layer for the rake face can provide theoretical guidances for confirming the machining allowance of surface grinding.
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.
在切削油介质中，涂层铣刀后刀面磨损降低，切削性能也明显得到改善。
The TiAIN coating tools enhanced cutting performance obviously by reducing the flank wear in the cutting medium of coolant oil.
文中还提出，随着法向前角增大，流屑方向将愈接近前刀面最大倾斜方向。
It also shows that the chip flow direction is closer to the maximum inclination direction of a rake face with an increase in a normal rake Angle.
由于现代数控刀具都设计有卷屑槽，从而使其前刀面不是平面，而是曲面。
Because there exists a chip-curling groove on the rake face, the rake face of a modern cutting tool used on NC machine tool is not a plane, but a curved surface.
提出一种用螺旋角仿形加工装置在工具磨床上刃磨齿轮滚刀前刀面的方法。
By using the profile modeling machining equipment of helix Angle, a new method about grinding rake face of gear cutter hob on tool grinder is presented.
根据刃形曲线的设计原理，提出了曲线刃钻头柱面后刀面的刃磨要求和刃磨过程。
Requirements and procedures were proposed for the regrinding of cylindrical flank of curved edge drills (CEDs) according to the principles guiding the design of curved edge shapes.
结合铣削温度试验，推导出了前刀面刀—屑接触面输入的热流密度的函数表达式。
Then, the mathematical expression of heat flow density on the tool-chip interface of the rake face is deduced on the basis of milling temperature experiment.
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.
本文基于刀刃曲线方程，推导了球头等法前角前刀面的几何模型及其数控磨削模型。
Based on equation of cutting edges, new geometric model and NC grinding model of rake face of ball end mill with constant normal rake Angle are modeled.
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.
本文主要研究PCD刀具加工有色金属时刃口及后刀面的刃磨质量对切削表面质量的影响。
The influences of flank surface and edge quality of PCD cutting tool on cutting surface quality when machining nonferrous metal are studied in this paper.
最大刀具等效应力出现在前刀面上切削刃的周围，工件上最大等效应力出现在第一变形区。
The maximum tool effective stress is located in the flank face near cutting edge and the shear deformation zone on the workpiece.
通过切削试验，研究了限制接触刀具前刀面的刀—屑接触长度逐渐减小时切削力的变化规律。
Through cutting experiments in which the contact length between chip and rake face of restricted contact cutter is reduced step by step, the variation principle of cutting force 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。
Mathematical model for twist drill hyperboloid grinding is introduced. The relationship between drill design para meters and grinding parameters is studied.
通过对硬质合金刀具前刀面月牙洼磨损图像特征的分析，设计了检测磨损的算法，并开发了相关软件。
Through the analysis of image characteristic of crater wear in kentanium tool front face, arithmetic monitoring wear is designed, correlative software is exploited.
同时对加工工件表面的形成过程进行了分析，认为PCD刀具的后刀面表面质量是最重要的影响因素。
Meanwhile after a research on formation process of cutting surface, it is considered that flank surface quality of PCD cutting tool is the most important factor.
对新型凸曲前刀面刮削滚刀的理论构形误差进行了全面分析，探讨了各特征参数对构形误差的影响规律。
The profiling error of a new type skiving hob with convex curved rake face is analyzed and the change law of profiling error affected by parameters is expounded.
在提出一种硬质合金插齿刀的新构形方法(异形凸曲前刀面插齿刀)的基础上，建立了切削刃的数学模型。
A new profiling method (shaper cutter with complicated curved rake face) of carbide shaper cutter is presented. Based on it, the mathematical model of cutting edge is established.
在提出一种硬质合金插齿刀的新构形方法(异形凸曲前刀面插齿刀)的基础上，建立了切削刃的数学模型。
A new profiling method (shaper cutter with complicated curved rake face) of carbide shaper cutter is presented. Based on it, the mathematical model of cutting edge is established.
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