【摘要】 三维CAD/CAM技术日益普及,三维图贯穿于整个设计及制造过程中,二维投影图已经满足不了形式发展的需要。这里根据三维CAD技术与工程图学之间的关系,提出了将手工绘图与计算机绘图有机地融合为一体,以三维设计为核心的教学改革,详细地叙述了工程制图的教学内容及相应的做法。更多还原

【Abstract】 The 3-dimension CAD/CAM technique become popular increasingly, t he 3d drawings run through the whole design and manufacture process, the 2d proj ection drawings can’t adapt to the need of development. According to the relationship of 3d cad and engineering graphics, this article provides the teaching reform wh ich combines the handwork drawing with computer drawing and in which 3d design i s kernel, and introduces the teaching content and details.更多还原