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我厂的老师傅在使用一般的钻卡头时,深感要用专用钥匙扳紧扳松的不便。一是扳动时钥匙常打滑;二是钥匙易遗失;三是当切削力大于扳紧力时,钻头打滑,柄部咬毛。遵照伟大领袖毛主席要“大搞技术革新”的教导,以批修整风为纲,我们设计制造了一种自锁式钻卡头,把专用钥匙的“命”革掉了。使用这种卡头,只要用手轻轻地转动一
When I use the general drilling chuck, the master of our factory is deeply impressed with the inconvenience of pulling loose the special key. First, the key is often pulled when pulling slip; Second, the key is easy to lose; Third, when the cutting force is greater than the clamping force, the drill slippery, shank biting hair. Following the guidance of Chairman Mao, the great leader, who wants to make “major technological innovations”, taking the process of criticizing the rectification and rectification as the key link, we designed and manufactured a self-locking drill chuck that revolutionized the “life” of special keys. Use this chuck, just gently turn one by hand