一、前言钳式吊车装、出炉及夹吊钢锭的常用备品——吊牙,通常不被人注意。吊牙服役期短,故吊牙是钳式吊车上消耗量最大的备品。从1978年起我厂为热轧厂提供大型板坯量的比重急剧增加,采用原来尖锥度吊牙后,使 I. Introduction Clamp crane installed, baked and commonly used spare parts hanging steel ingot - hanging teeth, usually not be noticed. Crossed short service period, so hanging jaw is the largest consumption of clamp-type crane spare parts. Since 1978, I plant for the hot-rolled sheet to provide a large proportion of the sharp increase in the amount of slab, the use of the original taper cessation, so that