铁模复砂铸造法,是在金属母型(铁模)和金属型板间的空隙中射入一层热固性树脂砂,使在金属母型的内壁复有一层坚硬的壳型而命名的。它具有一般金属型和壳型铸造法的优点,已受到铸造界的重视。永康拉拖机厂、上海内燃机研究所、上海冶金研究所、浙江省 Iron mold sand casting method is the injection of a layer of thermosetting resin sand in the space between the metal mold (iron mold) and the metal mold plate so as to make the inner wall of the metal mold layer have a layer of hard shell named. It has the general advantages of metal and shell casting method has been the casting industry attention. Yong Kangla Trailer Factory, Shanghai Internal Combustion Engine Research Institute, Shanghai Institute of Metallurgy, Zhejiang Province