重机系统第六次大型铸钢行业会议于3月16日至19日在广州重机厂举行。与会代表介绍了各单位在发展大型铸钢件和提高产品质量、扩大国内市场、开拓国际市场等方面所取得的显著成就。近期取得的重大科研成果有一重厂的300MW 汽轮机缸体和二重厂的600MW 汽轮机缸体的造型材料与铸造工艺研究,沈重厂的悬浮铸造工艺,一重厂的复合铸铁轧辊制造工艺,二重厂的3300mm 大型轧机机架铸钢综合技术等。保温冒口、外冷铁和 Heavy machine system The sixth large-scale steel industry conference was held in Guangzhou Heavy Machinery Factory from March 16 to March 19. The participants introduced the remarkable achievements made by all units in the development of large-scale steel castings, improvement of product quality, expansion of the domestic market and opening up of the international market. Recent major scientific research achievements have a heavy plant 300MW turbine hull and double plant 600MW turbine cylinder molding materials and casting technology research, heavy plant suspension casting process, a heavy plant composite cast iron roll manufacturing process, the second plant Of the 3300 mm large-scale rolling mill steel casting comprehensive technology. Insulation riser, cold iron and outside