我国的铸造技术在世界上具有悠久的历史。解放后三十多年来,铸造工业也有了很大发展。目前我国铸件产量已达五百余万吨,继苏、美、日后而具世界第四位。在世界铸造方面,我国已占有了一定地位。我国加入国际铸造协会后,很多国家对我国的铸造生产发展这样迅速,给予了较高的评价。但是与工业发达的国家相比,我国还是比较落后的。铸件质量差, China’s casting technology in the world has a long history. More than thirty years after the liberation, the foundry industry has also made great progress. At present, China’s castings production has reached more than five million tons, following the Soviet Union, the United States, with the world’s fourth place in the future. In the world of casting, our country has occupied a certain position. After China joins the International Foundry Association, many countries have given such a high evaluation to the rapid development of China’s foundry production. However, compared with the industrialized countries, our country is still relatively backward. Castings of poor quality,