0～125毫米游标卡尺(图1)是一种结构小巧,使用方便的测量工具。从它的发展来看由于全国大搞机械制造这种尺的使用量较其他型式卡尺大的多。 C～125毫米卡尺,制造上比较简便,用料也很合理,但有个重要缺点就是“死游标”。苏联在早期制造0～125毫米卡尺多是活游标,后来由于产品的丰富,修理技术加强,才出现 0 ~ 125 mm vernier caliper (Figure 1) is a compact, easy to use measurement tool. From its point of view of development as a result of the nationwide machinery manufacturing such ruler used more than other types of caliper. C ~ 125mm calipers, manufacturing is relatively simple, the material is also very reasonable, but there is an important drawback is that “dead cursor.” The Soviet Union in the early manufacture of 0 ~ 125 mm calipers are mostly live cursor, and later because of product rich, repair technology to strengthen, it appeared