培养学生的空间想象力是制图教学的重点和难点。主要介绍了利用UG软件强大的三维造型功能并实现三维向二维的转换,讲解形体的构成、组合体和机件的表达方法的授课方法以及创建机械制图UG模型库。此方法既避免了学校在挂图、模型等教学资源的投入,也解决了学生中普遍存在的空间想象能力不足的问题,可有效地帮助学生理解教学内容。 Cultivating students’ space imagination is the key and difficult point of cartographic teaching. Introduces the use of UG software powerful three-dimensional modeling capabilities and the realization of three-dimensional to two-dimensional conversion, explain the composition of the body, assembly and mechanical parts of the presentation methods of teaching methods and to create a mechanical drawing UG model library. This method not only avoids the investment of teaching resources such as wall charts and models in schools, but also solves the problem of lack of spatial imagination in students, which can help students to understand teaching contents effectively.