批量较大的多孔性零件,如果用普通钻床钻孔,那 末每钻一孔就要移动一下零件;若各孔的直径大小不一, 则钻一种直径孔后便要更换钻头,这样不但效率低,而 且劳动强度大。我厂第六车间朱立凤同志在这次技术革 新运动中,发挥了高度的革命积极性,结合厂内设备情 况,创造了一个装在普 Large quantities of porous parts, if the ordinary drilling machine drilling, then every hole to move a bit to move the parts; if the holes of different sizes, then drill a diameter hole will have to replace the drill, so not only efficiency Low, but labor-intensive. In the technological innovation campaign, Comrade Zhu Lifeng, the sixth workshop of our factory, played a highly revolutionary enthusiasm and combined with the equipment in the factory,