《机械制图之三视图基础培训实用PPT解析课件》由会员分享，可在线阅读，更多相关《机械制图之三视图基础培训实用PPT解析课件（15页珍藏版）》请在金锄头文库上搜索。
1、三视图讲解,机械制图之三视图基础培训,主讲人：XXX,目录,CONTENTS,These three views are called the three views of the geometry,什么是三视图,机械制图之三视图基础培训,PART 01,The positive projections of a geometry at the rear, bottom, and right are called the main view, the top view, and the left view of the geometry. These three views are calle
2、d the three views of the geometry,什么是三视图,一个视图只能反映物体的一个方位的形状，不能完整反映物体的结构形状。三视图是从三个不同方向对同一个物体进行投射的结果，另外还有如剖面图、半剖面图等做为辅助，基本能完整的表达物体的结构。,如何看三视图,机械制图之三视图基础培训,PART 02,The positive projections of a geometry at the rear, bottom, and right are called the main view, the top view, and the left view of the geom
3、etry. These three views are called the three views of the geometry,由物体前边向后做正投影得到的视图,由物体上边向下做正投影得到的视图,由物体左边向右做正投影得到的视图,三视图,主俯长对正、主左高平齐、俯左宽相等 即: 主视图和俯视图的长要相等 主视图和左视图的高要相等 左视图和俯视图的宽要相等。,示例讲解,机械制图之三视图基础培训,PART 03,The positive projections of a geometry at the rear, bottom, and right are called the main v
4、iew, the top view, and the left view of the geometry. These three views are called the three views of the geometry,答案：8个,三视图的应用,机械制图之三视图基础培训,PART 04,The positive projections of a geometry at the rear, bottom, and right are called the main view, the top view, and the left view of the geometry. These three views are called the three views of the geometry,老虎钳,扳手,铁锤,手套,.等等,三视图讲解,机械制图之三视图基础培训,主讲人：XXX,
