机械制图课中物体上点线面投影教学分析

Object point, line and plane projection teaching in mechanical drawing lessons

技工学校学生基础相对较差,大多数学生对理论学习兴趣不高,为了给社会培养高技能人才,在技工学校机械类专业中,常开设机械制图课,在机械制图课的教学中,最为难的就是物体上点、线和面的投影,往往是学生无从理解。文章从多个方面总结物体山点线面的投影教学。

The basis of technical schools, students are relatively poor, most of the students interest in learning theory, often set up a mechanical drawing class society in order to train highly skilled personnel, professional technical schools machinery, mechanical drawing lesson teaching most embarrassing object point, line and surface of the projector, students often no way to understand. The article summarized from multiple projection of the objects the mountain dotted line face teaching.