我厂机具车间去年制造成功了300套球面轴承。此种轴承原为国外产品,用于铸造二厂造型自动线运送砂箱的小车上。小车前后各装一个,以便连接前后两小车,作用与万向节相似。此种轴承如图1所示由内外环组成。完成这项任务的关键是如何把内环装入外环。原产品外环沿其外园母线有一裂缝,在一端面与裂缝重 Last year, our machine shop successfully built 300 sets of spherical bearings. This kind of bearing was originally a foreign product, which was used to cast a second car with a molding line to convey the sand box. A car before and after each installed in order to connect the two cars before and after the role similar to the universal joint. Such bearings shown in Figure 1 by the inner and outer ring. The key to accomplish this task is how to put the inner ring into the outer ring. The outer ring along the outer ring of the original product has a crack in the end face and cracks