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对三种外形尺寸相同、滚子直径和套圈壁厚不同的圆柱滚子轴承进行疲劳寿命试验得出 :套圈减薄后由于滚子直径增加 ,接触疲劳寿命有明显增加 ,但过薄特别是有挡边外圈过薄将易出现断裂失效。附图 1幅 ,表 5个
The fatigue life test of three kinds of cylindrical roller bearings with the same external dimensions, different roller diameters and different wall thicknesses of the ferrules shows that the contact fatigue life increases obviously due to the increase of the roller diameter when the ferrule is thinned, but the fatigue life is too thin Is a thin outer wall will be prone to fracture failure. Figure 1, Table 5