剪切角的研究是金属切削理论中的一个基本问题。
Shear Angle research is one of the basic problems in metal cutting theory.
采用传统的切削理论已经很难准确地理解其切削机理。
It is difficult to explain the mechanism of the nanoscale cutting using the traditional cutting theory.
传统切削研究中，主要是从切削理论和切削试验两种方法来进行。
The conventional study begins with the theory and the experiments of metal cutting.
传统的切削研究，主要是从切削理论和切削试验两个方面来进行。
Cutting of the traditional, mainly from the cutting theory and cutting tests carried out two.
多年研究表明，利用现有的切削理论，已经无法再成十倍的提高切削速度。
The research indicates it is impossible that cutting speed is improved decuple in accordance with present cutting theory.
根据金属切削理论及端铣过程的几何关系提出了单齿和多齿刀具的铣削力模型。
Cutting force models of a single tooth cutter and a multitooth cutter are derived from metal cutting theories and geometric relations of face-milling process.
通过传热学、流体力学、切削理论的综合运用对波形刃铣刀片温度场边界条件进行了研究。
The boundary condition of temperature field for waved-edge milling insert is researched based on the heat transfer, fluid dynamics and metal cutting theory.
本文对超越性现象产生的条件、规律进行了试验和理论分析，丰富了超声波振动切削理论。
In this paper, the experiments and theoretical analyses are made about the occurring conditions and regularities of this phenomenon, which enriches the ultrasonic vibration cutting theory.
在此基础上，建立了陶瓷镜面磨削塑性变质层的物理模型，并用微刃切削理论解释了表面晶粒的碎化机理。
Based on these, the physical model of plastic degenerating layer has been established and the fractional mechanism of surface crystal particles has been explained by micro-edge cutting theory.
当工件材料硬度低于HRC50，切削力和切削温度的变化规律符合普通的金属切削理论，硬度超过HRC50则切削力和切削温度的变化规律大不相同。
While the material machined hardness is lower than HRC50, the changing rule of cutting force and cutting temperature was accordant with the common cutting theory.
本文首先从切削剪切变形和刀具离散化理论出发，推导出高速铣削条件下铣削力和切削速度的关系模型。
A relation model between cutting forces and cutting speed is established for high speed milling condition on the basis of research into the theory of shear distortion and the discrete milling cutter.
通过采用滑移线场理论，建立了一种正交切削模型，使用这一模型，从理论上预测了切屑卷曲半径。
By constructing a metal cutting model using slip-line field theory, chip curling radii are predicted theoretically in orthogonal cutting processes.
基于切削和振动理论，利用有限元技术对微细钻头振动钻入动力学特性进行了深入地研究。
Based on cutting and vibrating theories, the dynamic behavior of micro drill is studied by using the finite element method.
理论分析和试验结果表明，采用变速切削加工时，电机瞬时电流确有一定程度的波动，但不影响机床电机的正常使用；
The theoretical analysis and experimental results demonstrate that the motor current has some fluctuation in vari-speed cutting process, but it is almost no effect on normal operation of machine tool.
依据大变形理论和虚功原理对高速切削过程进行分析，建立了基于拉格朗日描述的有限元控制方程并采用二维有限元模型进行模拟。
Large deformation theory and virtual work principle were applied to analyses high - speed machining process, the finite element governing equation was approached based on Lagrangian description.
通过理论分析和试验研究，探讨硬质合金刀具在变速切削条件下磨损累积的规律。
With theoretical analysis and experimental research, the regularity of wear cumulation of carbide tools under varying cutting speed conditions is studied.
理论分析表明：行星轮公转与自转的速比，影响着每个切削刀具的阻力矩的大小与方向；
Theoretical study shows that the ratio of revolution velocity to rotation velocity will affect the magnitude and direction of resistance moment of all the cutters.
在UG中通过接口程序调用该系统，为高速切削的CAM编程提供理论依据和实际参考。
Transfering this system through the interface routine in ug will offer the base of a theory and practical reference for high-speed cutting CAM programming.
提出了超声研磨螺旋锥齿轮的理论与方法。 分析了超声研齿不灵敏性振动切削机理。
The paper presented the theory and method for the ultrasonic lapping of spiral-bevel and hypoid gears and analyzed its insensitive vibration cutting mechanism.
基于剪切角的最小能量解，对正交切削时的切削力进行了理论预报。
Based on the minimum energy solution of shear Angle, the cutting forces in orthogonal machining are predicted theoretically in this paper.
高速切削时，刀具具有不同于普通切削的失效机理，需要新的理论和方法来进行研究。
As failure mechanisms of cutting tools in HSM is different with those in conventional machining, new theory and research method should be presented.
本文从振动的基础理论出发，认为在挖掘过程中施加切削方向的振动后，能够大大降低作业过程中的挖掘阻力，并提高能量的利用效率。
According to the basic theory of vibration, the article considers that vibration in the process of excavation can reduce the digging force and improve the energy efficiency greatly.
通过理论计算得到了KDP晶体在不同晶向上临界切削厚度的变化规律。
The variation rules of critical cutting thickness on the different crystal and different orientation of KDP crystal are obtained by theoretic calculate.
理论分析和实验表明：应用该仿真模型，能在振动钻削过程的不同区段寻找最优的振动参数和切削参数。
Theoretical analysis and experiment show that the optimum vibration parameters and drilling parameters can be seeked at the different stages of the drilling process by proposed simulation model.
切削力的理论计算及其准确预报是金属切削领域和刀具设计的重要课题之一。
The theoretical calculation and prediction of cutting forces is important in metal cutting research and cutting tool design fields.
在坐标变换理论的基础上，提出了切削加工机器人关联矩阵加工理论。
On base of the coordinate alternation theory, the relating matrix machining theory for the cutting robot is described.
从理论模型中提出的这项工作，表面形貌可从追溯的切削条件，刀具几何形状，切削工具不完善和铣床偏差。
From the theoretical model proposed in this work, the surface prole can be deduced from cutting conditions, cutter geometry, cutting tool imperfections and milling machine deviations.
本文根据切削过程中一些参数的变化规律，从理论上首次提出了一种新的时间序列分析模型，即常系数固定价ARC(2)模型。
According to the change pattern of some parameters in metal cutting processes, this paper proposes for the first time a new time series analysis model-Autoregressive Constant model ARC (2).
首先，本文讲述动态系统的一些基本概念和切削颤振的线性理论，作为非线性理论方面的研究成果的基础。
Firstly, fundamental conceptions of dynamic system and linear theory of cutting vibration are mentioned, which is used as the mainstay of nonlinear theory in the dissertation.
用传统的理论或实验方法研究切削过程中各个声辐射体对总体切削噪声的贡献比较困难和繁杂。
It is difficult to study the contribution of each sound radiator to total cutting noise in a cutting system by means of traditional theoretical or experimental methods.
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