这里向大家介绍一种,结构简单,适用于单件和小批生产使用的内孔环形槽测量工具。它是把被测工件的直径D分成若干段如15～20、20～25……,然后按照极限内卡钳的原理进行设计。具体结构如附图、图中1、2是规脚,3是轴,4是垫圈,5是滚花盖,6、7是滑标,8、9是螺累钉,10是弹簧,11是小轴。这种工具在调整与使用 Here to introduce a simple structure, suitable for single-piece and small batch production of the use of the hole ring groove measuring tools. It is the diameter of the workpiece under test D is divided into sections such as 15 ~ 20,20 ~ 25 ... ..., and then in accordance with the principle of caliper design. The specific structure as shown in the drawings, 1,2 is the rule feet, 3 is the axis, 4 is the washer, 5 is the knurled cover, 6,7 is the slider, 8,9 is Bolun screw, 10 is the spring, 11 is Small shaft. This tool is adjusted and used