直纹曲面

根据蜗杆齿面为直纹曲面的特点，提出了一种新的建模思路，利用UG可以高效地建立精确的蜗杆模型。

By the advantage that the working surface is a ruled surface , a new method has been proposed . Using UG , the precise model could be established easily .

关于直纹曲面共母线相交的研究

Researches on the cross of ruled surfaces with the same generator

直纹曲面电火花线切割加工中的过切误差初探

Primary study of the Over-Cutting Error in WEDM of straight Grained surface

共母线直纹曲面投影交线的计算与特征分析

Calculation on Projection Ine of Ruled Surfaces and Analysis on Curves Features

直纹曲面的一种近似展开法

An Approximate Unfolding Method of Curved Surface with Straight Grains

作为应用，本文构造了一类以双圆弧为横向截线的直纹曲面，包括其特殊情形双圆弧锥面与双圆弧柱面。

As an application , the surfaces that consist of straight line are given , where tho cross-sections are bieircular arcs .

在直纹曲面、扫描曲面、旋转曲面、昆氏曲面等曲面构建的方法中，昆氏曲面不失为构建复杂曲面的好方法。

Coons surface is an efficient way in constructing complex surface among rules surface 、 sweep surface 、 rotating surface and so on .

施工道路作为物料运输主要渠道，提出了用直纹曲面来表示施工道路的三维模型。

At the same time , the paper expound that the ruled surface are use to represent the three dimensional model of constructional road .

在基本几何体的范畴内，提出一种以棱圆为导元素的直纹曲面。

A ruled surface of revolution formed by an edged circle as the guide element is proposed in the category of basic geometrical bodies .

本文给出了工程上常见的四种类型曲面，回转曲面、椭圆型曲面、二次曲面及直纹曲面的中心投影的轮廓和轮廓线方程。

This paper presents the contour line equations of central projection of four surfaces widely known in engineering ( revolution surface , elliptic surface , quadric surface , and ruled surface ) .

分析了数控展成电解加工整体叶轮叶片的直纹曲面所产生的误差，对产生误差的各有关因素及可能产生误差的大小，进行了分析计算。

This paper analyzes error in numerically controlled electrochemical contour evolution machining of blades of integral impeller with straight generatrix surface , analyzes and calculates various elements that result in error and quantity of probable error .

在对桨叶曲线、曲面数学描述的基础上，建立了直纹曲面的矢量方程，推导出螺旋桨桨叶扭转曲面精确的数学方程。

On basis of the mathematical analysis of the curve and the curved surface of paddle , the vector equation of ruled surface is established and the mathematical formula of the twisting curved surface of propellers paddle is also deduced .

一种直纹渐变曲面展开的通用算法

A universal algorithm for development of straight grained transition curved surface s

复双曲空间中的直纹实超曲面

Ruled Real hypersurfaces in complex hyperbolic space CH ~ n

直纹二次曲面的实时成像算法

A Real time Imaging Algorithm of the Ruled Quadric Surfaces

三导线直纹四次曲面的形成与分类

Formation and Classification of a Ruled Surface of Fourth Order

抛物型直纹三次曲面的设计方法

Design Method of the Ruled Surface of Third Order

非直纹二次曲面的射影变换

The Projective Transformation of Non-ruled Quadric Surface

本文以割草机上的直纹圆柱螺旋曲面刀片为研究对象，对其可展性进行研究，使用Pro/E中Pro/Toolkit用户化工具箱对直纹圆柱螺旋曲面近似展开系统进行开发。

This paper deals with the optimal development of helicoids surface of the cropper , with the operation of Pro / Toolkit toolbox from Pro / E.

第2章主要介绍了直纹圆柱螺旋曲面近似展开系统的构成模块：曲面参数设计模块、曲面网格剖分模块和展开实体生成模块。同时介绍了系统主要开发工具Pro/Toolkit及其开发步骤。

Chapter 2 introduces the tool of Pro / Toolkit and three modules of the approximate development of straight grained Helicoids : parameter design module of Helicoids , mesh division module of Helicoids and the developing model establish module .

斜偏交两二次曲面交线的解法研究本文给出椭球面与非直纹二次曲面交线的参数化算法和与交线类型对应的例子。

Study on the Solution of the Slanting Intersection for the Intersection Line of the Two Quadratic Surfaces This paper presents a parameterized algorithm of the ellipsoid and intersection of unruled quadric , and provides corresponding examples to the type of intersection .

讨论了根据已知抛物线及平行于该抛物线所在平面的两条异面直线为异线成的直纹三次曲面，并给出了直母线的布线方法。

The paper gives the detailed discussion on the product of the ruled surface of third order with a known guide parabola and two guide line being paralled to the known guide parabola of the different plane , and presents the method of the guide line being arranged .

针对车用涡轮增压器压气机叶轮，研究利用可展直纹面构造叶片曲面方程的方法。

The method to construct the blade surface of developable impeller of vehicle turbocharger is investigated .

该方法有效解决了直纹面逼近的曲面边界问题，并通过对叶片偏置面的直纹逼近从根本上避免了刀位轨迹计算时误差的产生。

By using a ruled surface to approach a freedom surface , the problem of getting the boundary is solved , and the error arising from tool paths'computation is avoided by the algorithm .