在铁路客车轴承整体钢保持架的兜孔中有两对突台,其作用是将滚子固定在兜孔中某一适当位置,以保证轴承的顺利组装。由于兜孔的端面不是平面,因此锁点的位置不宜用普通深度尺测量。我们自制了一种深度游标卡尺,专门用来测量锁点的位置尺寸。深度游标卡尺的结构如图1所示。 测量时(图1、2),将标准钢球置于兜孔中,将基尺A面和B面分别靠紧保持架的一端面和外径表面,然后沿保持架外径表面的 In the railway passenger car bearing steel cage pockets have two pairs of projections, the role of the roller is fixed in the pockets in a suitable position to ensure the smooth assembly of bearings. As the pockets of the end face is not a plane, so the location of the lock should not be measured with a common depth gauge. We made a depth of the vernier caliper, designed to measure the location of the lock size. Depth vernier caliper structure shown in Figure 1. Measurement (Figure 1,2), the standard ball placed in the pockets, the base A and B were close to the cage end and outer diameter of the surface, and then along the outer surface of the cage diameter