本文介绍采用真空密封造型法,生产铸钢、灰口铸铁、可锻铸铁车辆用件及铸铝金属模板、金属型铸件所用的试验装置和试验工艺过程;叙述了试验所取得经验和体会;并介绍了所获得的试验成果。 This article describes the use of vacuum seal modeling method, the production of cast steel, gray cast iron, malleable cast iron vehicle parts and die-cast aluminum metal molds, metal castings used in the test device and test process; described the experience gained and experience; and introduced The test results obtained.