Implementation of Automated Generating Fillet Surface Inside of Corners to Avoid Undercut in Rough Machining 为防止粗加工过切的自动倒内圆角功能的研究与实现
Fillet Operations with the Doo-Sabin Subdivision Surface Doo-Sabin细分曲面的圆角算法
As the fillet radius of the tip becomes smaller, the wall shear stress on the middle and low part of the groove surface becomes less, but the local wall shear stress on the tip becomes greater. 沟槽斜面中下部的壁面应力随着圆角半径的减小而降低,但尖峰处的局部壁面应力会随之而增大。
The result indicates that the rupture was caused with the insufficiency of the fatigue strength, which was due to the false material selection, improper design of transition fillet and roughness of the axle's surface. 该车轮轴断裂的主要原因是选材不当、轴肩过渡圆角偏小、轴的表面粗糙度偏大等造成疲劳强度不足。
This paper also introduces the contents which are expressed by passenger car body main section through these aspects such as section reference definition, determination of fillet between parts welding surfaces, relevant parameters determination of gateway flange surface, relevant parameters determination of wrapping structure; 从断面基准定义、零件焊接面之间圆角半径确定、门洞法兰面相关参数确定、包边结构相关参数确定等方面,介绍了轿车车身主断面所表达的内容;
The paper presented a subdivision representation method for common surfaces of revolution and then proposed the fillet operations for the Doo-Sabin subdivision surface. 给出了常用旋转曲面的细分表示方法并以此提出了Doo-Sabin曲面的圆角算法。
The features of the fillet function of Space-E CAD/ CAM system are analyzed. And the modeling methods of practical mold surface by using fillet function of Space-E CAD/ CAM system are introduced. 分析了Space-ECad/CAM系统倒圆曲面功能的特点,并在此基础上,介绍了采用Space-E系统的倒圆曲面功能进行实际模具型面造型的方法。
According to the face-gear processing and meshing theory, derived the equations of the face-gear tooth surface and fillet surface, solved the minimum inner radius and maximum outer radius for the face-gear undercutting and pointing of face-gear teeth. 根据面齿轮加工及啮合原理,推导了面齿轮齿面方程和过渡曲面方程,求解了面齿轮不发生根切和齿顶变尖的最小内半径和最大外半径。
The existence of fillet will affect the efficiency of pair selection in generation of mid-surface, so that the pretreatment should be done before the generation of middle surface in CAD model. 对中间面生成而言,圆角的存在对于自动选取Pair对等操作非常不利,因此CAD模型在生成中间面之前要先做预处理。