第2章_proe草绘

广东工程职业技术学院Pro/ENGINEER—草绘Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草图•草图是特征的基础Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘建立程序Entity(草绘图元)Edit(修整图元)Constrain(添加约束)Dimension(标注尺寸)Modify(修改尺寸)完成Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘专业术语在进行草绘操作前，先要了解关于草绘（sketch）中的相关术语图元（Entity）截面几何包含的元素（如直线、圆弧、点、样条曲线等）参照图元（reference）绘制草绘时，参照的零件几何（如，零件边、零件侧面等）尺寸（diamension）图元间所标注的尺寸约束（constraint）定义图元几何间的关系，约束符号出现在约束图元的旁边。例如可以通过约束是直线与圆弧的相交方式为相切的关系。Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC虚约束和虚尺寸在绘制图元的时候系统自动产生虚尺寸和虚约束在,图形上这些标注和约束的颜色比较浅以便区别用户定义的约束和标注一般情况下用户应自己定义约束和标注,避免虚约束和虚尺寸的存在也可以用强命令将虚转换为强方法为选中虚约束和虚尺寸后右键菜单-强强\弱尺寸和强\弱约束Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘命令的介绍Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘命令操作操作方法通过左键点击起始位置和终了位置点击圆弧相切的起始点和相切的终点点击通过点，然后移动光标旋转，再点击左键确定角度分别在圆或圆弧上点两相切点左键点击矩形的左上角，移动光标，再点击矩形的右下角Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC移动光标，再次草绘命令操作Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC，左键点击确定草绘命令操作Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘命令操作要偏距的边，再在Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草图对象选择•草图对象选择方法1.直接用鼠标左键选择2.按住Ctrl用鼠标左键选择多个3.框选多个4.配合选择过滤器:可以在选择对象前用过滤器过滤将要选择的对象被选中的对象为红色Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC编辑删除段:按住鼠标左键,鼠标滑动经过的段将被删除求交:选择两条图元使其相交打断:点击图元位置打段图元镜象:选择欲镜象的图元,镜像命令,选择镜象中心线删除:选中图元,命令delete删除图元Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTCConstrain(约束)创建约束：先点击约束命令，再选择约束对象删除约束：选中约束，【编辑】-【删除】Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘符号表Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC尺寸（Dimension）线段长度:点击线段,中键放置尺寸线到点:点击点和线,中键放置尺寸线到线:分别点击两线,中键放置尺寸点到点水平尺寸:分别点击两点,在水平方向放置尺寸点到点竖直尺寸:分别点击两点,在竖直方向放置尺寸半径:点击圆(弧),中键放置尺寸直径:两次点击圆(弧),中键放置尺寸角度:点击两线,中键放置尺寸圆心到圆心:点击两圆心,中键放置尺寸Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC尺寸（Dimension）类似回转体剖面直径的标注Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC•相切标注•注意标注的位置和选•择的位置有关•如果选择的位置为两•圆内侧,则标注的是•内侧相切尺寸•如果要标注水平尺寸,•选择水平即可尺寸（Dimension）123Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC圆弧角度标注尺寸（Dimension）Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTCModify(修改尺寸)修改尺寸的方法:1.直接双击修改尺寸2.选中尺寸后右键菜单修改3.点击按钮,选择尺寸修改选中择即改既再生草绘取消则全部修改完毕后按完成按钮一起再生草绘调整滚动幅度直接输入尺寸滚动调整尺寸黄色框选尺寸为当前修改尺寸Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘,标注练习Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTCDimensionreference【尺寸】-【参照】可以标注参考尺寸,参考尺寸不对草图具有控制作用,不能修改Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的显示Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC定义sketchpalette可以在安装目录\text\sketch_palette下定义常用的草图Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题•直线绘制例一直线绘制例二矩形绘制弧与圆的绘制例一弧与圆的绘制例二Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题•••练习一练习二练习三练习四Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题••剪切的使用一剪切的使用二Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题创建辅助点Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTCPro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC样线Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘实例3(弧连接)Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttochangewithoutnotice.©2009PTC草绘的例题Pro/ENGINEERWildfire5.0设计无障碍Forwardlookinginformationsubjecttoch