上海市机电一局受一机部机床总局的委托,于1981年1月21日至23日在上海市主持召开了“SFA型型砂成型性自动控制器”新产品鉴定会,来自全国研究、设计、学校和工厂的48个单位、82位代表参加了会议。该控制器是由一机部济南铸锻机械研究所研究设计,由上海热加工机械厂试制的新产品。它是根据型砂的过筛原理,按型砂的成团 Shanghai Mechanical and Electrical Bureau commissioned by the Machine Tool Bureau of a machine department, in January 21, 1981 to 23 in Shanghai presided over the “SFA-type sand forming automatic controller” appraisal of new products from the National Research, Design 48 schools and factories, 82 representatives attended the meeting. The controller is a machine Jinan Die Casting Institute of Mechanical Design, thermal processing by Shanghai Machinery Factory trial production of new products. It is based on the sand screening principle, according to the sand into a group