介绍3MZ2 210滚子轴承内圈挡边磨床改造后上、下料机构的结构、动作原理。
The structure and movement principle of 3MZ2210 machine for roller bearing inner ring with rib were introduced.
因圆锥滚子大端与内圈挡边之间滑动摩擦，其极限转速往往低于同尺寸的圆柱滚子轴承。
For tapered roller large end and sliding friction between the inner wall, the speed limit is often lower than the same size cylindrical roller bearings.
组合轴承单元：是一个应用于汽车上，在销售前预组装、无需调整游隙以及内圈没有大挡边的轴承单元。
UNIT bearing: an automotive bearing used that is sold as an assembled set and is non-adjustable; characterized by a cone with no large rib.
使用LZ223直挡边磨床磨削圆锥滚子轴承内圈大挡边圆锥面，取得较好效果。
Use type LZ223 automatic rib grinding machine to grinding the conical surface of cone ribs has obtained better results.
圆锥滚子在和内圈大挡边接触的地方有一个稍带球面的形状。
The roller is tapered, has a somewhat spherical shape and when assembled fits against the large rib of the cone.
常用的此类轴承有两种形式：NN30/W33、NN30K/W33两个系列轴承内圈带挡边，外圈可分离；
There are two common forms of such bearings: NN30/W33, NN30K/W33 two series of bearing inner ring with ribs, separable outer ring;
常用的此类轴承有两种形式：NN30/W33、NN30K/W33两个系列轴承内圈带挡边，外圈可分离；
There are two common forms of such bearings: NN30/W33, NN30K/W33 two series of bearing inner ring with ribs, separable outer ring;
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