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.
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.
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