因此波前的相继位置即为次波的包络面。
Successive positions of the wave front are then given by the envelopes of the secondary waves.
计算得到了水力旋流器内的流线图、等压线以及零速包络面。
The fluid streamlines and pressure distribution and LZVV phenomena for the hydrocyclone are given in this paper.
此模型反映了刀具曲面、刀具包络面以及设计曲面三者之间的关系。
So the relationship among tool surface, tool envelope surface and designed surface are expressed explicitly.
解析模型是基于刀具切削刃包络面形成的原理来研究零件表面形貌的形成。
Analytical model that used to study the generation of surface topography is based on the principle of swept surface during cutting operation.
滚削蜗轮时，其齿侧面为滚刀切削刃在一系列不同位置的包络面，因而不可避免地要产生棱面。
The surface of worm gear is formed by the different positions of worm wheel hob generated as machining. So prisms are inevitably produced.
基于自由曲面方程，由矩阵运算得出刃线运动包络面，对球头铣刀加工的表面形貌进行了建模和仿真。
Based on the models and the free-form surface formula, the moving envelope surface of ball-end mill is obtained by means of matrix calculating, the topography is modeled and simulated.
介绍一种形成包络面（等距面）的实用方法，提出一种用四坐标数控铣床加工整体叶轮的程序计算方法。
A practical method for formation of envelope surface is introduced in the paper. And a programmed calculation method for manufacturing integral impeller with a four-coordinate NC miller is presented.
通过叶盘叶片偏置面的直纹包络面逼近，确定叶盘通道粗加工区域，给出了四坐标插铣刀位轨迹生成算法。
The rough milling region of the open blisk tunnel is determined by generating the ruled envelope surface of the blades offset surface, and the algorithm.
由于该方法中判断某个决策单元是否DEA有效，是以各实际样本点的外包络面为基础的，因此称为数据包络分析。
In this method to tell whether one DMU is DEA efficient or not is based on the frontier of real sample points, so it is called Data Envelopment Analysis.
并且证明，法面双圆弧齿轮的每一段端面齿廓都是对应椭圆曲线段在相对运动中的包络曲线。
Moreover, the extreme shape of the normal double circle gearing proves to be the involved curve of the corresponding ellipse.
结合工程应用实例阐述了平面二次包络弧面蜗杆传动的设计思路与应用方法，得到较为理想的结果。
This paper expounds the design thinking and application method of the plane twice covered curve worm drive combined the engineering example, and gains the astisfied result.
在圆柱螺旋曲面的盘形铣刀成形铣削加工工艺中，工件上的螺旋曲面实质上就是盘形铣刀切削刃回转面螺旋进给运动所形成的包络。
In the forming technique of cylindrical spiral curved surfaces, the contour of workpiece is virtually the result that disk shaped milling tools feed into the workpiece and move around its axis.
基于微分几何和空间啮合理论，分析了修正型圆环面双包络环面蜗杆副齿面形成原理。
Analysis of the forming principle of tooth flank of modified type worm gear pair was based on different geometry and spatial engaging theory.
本文在第一次包络的基础上，着重进行了二次包络齿面接触分析，推导出了蜗杆和蜗轮齿面方程。
On the basis of the first envelope, the paper stresses on the tooth contact analysis of the second envelope, and the equations of a worm and a wormwheel flanks are derived.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
Grinding gear with the toroidal involute interior thread worm grind wheel is a new kind of process in hard surface gear finish machining.
借助一个渐开线斜齿圆柱齿轮的刀具齿面推导出蜗杆砂轮齿面，由蜗杆砂轮齿面经双参数包络生成斜齿面齿轮齿面。
Using a helical involute pinion surface to form the grinding worm surface, a helical face gear is formed via a two-parameter worm envelope.
介绍了多直线包络的单螺杆压缩机螺杆齿面母线和星轮齿型面的设计方法。
This paper introduced a new design method of rotor teeth profile and star-wheel teeth profile enveloped with multi straight lines in a single screw compressor.
本文阐述了平面二次包络弧面蜗杆传动的几何特征，引用数学方程对这些特征加以说明，进而提出了啮合参数选择原则。
In this paper, the geometric characteristics of worm drive with double enveloping arc surface machined by datum-plane tool are stated.
以包络理论为基础，对弧面凸轮机构进行了研究。
Take the envelope theory as a foundation a study was carried out upon mechanism of arc-surfaced CAM.
渐开面包络环面内螺纹蜗杆砂轮磨齿，是一种硬齿面齿轮精加工的新型工艺。
A worm grinding wheel used to grind gear wheel is designed to increase the gear precision.
液化面作为累积剪切功的函数，从初始应力点的包络线开始，随着循环活动性的进行，逐渐接近破坏线。
The liquefaction front, originating from the envelope of initial effective stress points, gradually approaches the failure line as the cyclic mobility proceeds as a function of plastic shear work.
用面阵CCD记录的远场光斑，经计算机处理后得到的光斑包络与数值计算结果一致。
The far field spot recorded by plane array CCD will be processed by computer. The obtained spot envelope is consistent with the numerical calculation results.
本文以斜平面二次包络环面蜗杆副为研究对象，在空间啮合理论的基础上，推论出三参数修正的啮合方程、接触线方程、蜗轮齿面方程。
In this thesis, planar double-enveloping worm gear pairs is the research object, combined with space Meshing theory, derived from the multi-parameter modification of the mesh equation.
研究了平面包络环面蜗杆啮合齿面方程，并探讨建立基于网格矩阵的啮合型面的矩阵模型方法。
The meshing surface equations based on gridding metrics are studied and a method to set up the solid model is discussed in this paper.
研究了平面包络环面蜗杆啮合齿面方程，并探讨建立基于网格矩阵的啮合型面的矩阵模型方法。
The meshing surface equations based on gridding metrics are studied and a method to set up the solid model is discussed in this paper.
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