熔模铸造一直在稳定地发展。1930年前以生产艺术和装饰件为主;后来生产假牙和假骨;二次世界大战中用于军事,因在飞机叶片上的应用,技术水平迅速提高。在美国,熔模铸件的需求是从军需品开始的,战后转向民用。五十年代中期,发明了陶瓷壳型法,所以能生产更大的件了,需求也有 Investment casting has been steadily developing. The production of art and decorative pieces was predominant by 1930; dentures and bones were later produced; the World War II was used for military purposes and the technical level was rapidly increasing as a result of the application of aircraft blades. In the United States, the demand for investment castings started with munitions and turned to civilian use after the war. The mid-fifties, invented the ceramic shell method, it can produce larger pieces, the demand is also