我是教书的,去年我讲“铸件形成理论基础”,学生对本门课中的凝固理论是感兴趣的。这不仅在于学习它要付出艰辛的劳动,同时它丰富的内容在初步应用(分析铸件缺陷)中已崭露头角,其他理论如气相平衡等,它反映客观存在缺点,但仍是可以接受并加以利用的。去年和今年初,我还借参加铸件质量短训班之便与全国铸造生产管理及科技工作者接触,他们对自己在四个现代化中光任务荣是明确的,那就是提高铸件质量。他们对铸件质量的了介是全面的,对提高目前铸件质量的措施是关心的,愿意学习基本理论包括凝固理论,探索铸件缺陷的生成机理,对国外炉前控制和型砂控翩新技术学习积极而主动。所有这些都说明基 I was teaching. Last year I talked about the theoretical basis of castings. Students are interested in the solidification theory in this course. This is not only the hard work of learning it, but also the fact that its rich content has emerged in the initial application (analysis of casting defects). Other theories such as gas phase balance, it reflects the objective shortcomings, but it is still acceptable and utilized. . Last year and early this year, I also took part in the short casting quality training class and contacted the national foundry production management and scientific and technological workers. They are clear about their own glory in the four modern tasks, that is to improve the quality of castings. Their understanding of the quality of castings is comprehensive. They are concerned about measures to improve the quality of current castings. They are willing to learn basic theories, including the theory of solidification, and explore the mechanism of the generation of casting defects. They are active in learning about new technologies for pre-furnace control and sand control. And active. All of these explain why