【摘要】 本文提出和证实了型砂在射砂简中的运动形态为柱塞式。其紧砂过程(机理)可分为三个阶段。更多还原

【Abstract】 This Paper suggests that the morphology of the molding sand movement in the shooting cylinder is the type of the plug during the bottom shooting and the compacting process can be divided into three stages.更多还原