由于计算机辅助制造在工业中占主导地位，在机械工程专业本科生的课程中引入数控机床和计算机的制造实践是非常必要的。然而，制造实践并没有引起学生的兴趣，因为许多大学的内容和设施都很陈旧。此外，大学培训和相关讲座之间往往没有密切联系。本文描述了该系统，然后介绍了它的工作原理，最后讨论了进一步的改进。

It is essential to introduce manufacturing practices using NC machine tools and computers into the curriculum for undergraduate students majoring in mechanical engineering since computer aided manufacturing prevails in industry. Nevertheless, manufacturing practices do not occupy the interest of students since the content and the facilities are old-fashioned in many universities. Besides, there is often no intimate connection between university training and related lectures. The present paper describes the system, then introduces how it works, and finally discusses a further improvement.