自动门
自动门:滚动轴承的装配
发布时间:2013/3/8
    a.装配轴承前检查与轴承相配的零件中心轴(11)、轴承座(7)和主底板(18)的
外径和孔配合尺寸是否符合图纸要求,用外径干分尺和内径千分尺检查轴和孔的尺寸及公
差是否满足要求,合格后用汽油或煤油清洗轴和扎,仔细擦净,然后涂上一层薄薄的油。
    b.检查滚动轴承(15)(16)的型号是否与图纸要求一致,并清洗滚动轴承,可用汽
油或煤油擦洗滚动轴承内孔和外圆表面,并用软皮擦净。
    c-装配环境中不得有金属微粒、铝屑、沙子等,新轴承从包装盒取出必须尽可能使
它们不受灰尘污染,最好在无尘室中装配滚动轴承。
    d.装配滚动轴承时不得直接敲击滚动轴承内外圈、保持架和滚动体。否则会破坏滚
动轴承的精度,降低滚动轴承的使用寿命。
    e.装配的压力直接加在待配合的套圈端面上,绝对不能通过滚动体传递压力。
    f.由于轴承尺寸较小,轴承套圈的压力一般采用套简压入法,其过盈量较小,常用
工具为冲击套筒或手锤,以保证滚动轴承套圈压人时均匀敲人。
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