五厂第二车间第六工段小刨床组,王庆铭同志现在作的厂具虎钳子下体尾端半圆部份如图1,从前别人作时用钳子卡上一点一点的干,作一个要用二小时而质量也不好。後王庆铭在做此活时与曹福云互相研究,在旧铁堆里找废料,并研究出一种卡具如图2,结果此活只要20分钟就做一个,计划工时是 Fifth Factory Second Workshop sixth planing group, Comrade Wang Qingming plant viper now made of the lower end of the semicircle part of the body shown in Figure 1, when others used to do with the pliers card little by little for a dry Two hours and the quality is not good. After Wang Qingming and Cao Fuyun in doing this study of each other, looking for scrap in the old iron heap, and developed a fixture as shown in Figure 2, the results of this activity as long as 20 minutes to do one, the planned working hours is