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    • 9. 发明公开
    • Process for manufacturing a hollow roller, hollow roller obtainable via such a process and roller bearing including such a roller
    • 一种用于制备中空辊过程中,可以通过这样的方法空心辊和滚子轴承这样的滚子来产生
    • EP2963305A1
    • 2016-01-06
    • EP14306048.1
    • 2014-06-30
    • Aktiebolaget SKF
    • Carrerot, HervéJorgowsky, Jacky
    • F16C33/34B23B1/00
    • F16C33/34B23B1/00B23B5/08B23P15/003B24B5/01F16C2220/62F16C2220/70F16C2240/30F16C2240/56Y10T29/49679Y10T29/49693
    • This process for manufacturing a hollow roller of a roller bearing includes at least the following steps: machining an outer radial cylindrical surface (S O ), with a circular cross section centered on a first axis (X O ), and machining an inner radial cylindrical surface (S I ) with a circular cross section centered on a second axis (X I ). These two steps are realized on the same lathe (10).
      The hollow roller (100) is provided with the outer radial cylindrical surface (S O ), with a diameter of at least 5 mm, and the inner radial cylindrical surface (S I ). An offset between the first axis (X O ) and the second axis (X I ), measured in the hollow roller (100) between two axial surfaces of the hollow roller, is less than 2 µm, and an inclination angle between the first axis (X O ) and the second axis (X I ) is less than one minute of angle.
      The roller bearing (200) comprises amongst others, at least one such roller (100).
    • 这个过程用于制造滚子轴承的空心辊包括至少以下步骤:径向外圆柱表面(SO)的加工,以围绕第一轴线(XO)的圆形横截面,并且径向内圆柱表面的机加工( SI)与集中于第二轴(XI)的圆形横截面。 这两个步骤实现在相同的车床(10)。 中空轧辊(100)设置有外部径向圆柱形表面(S O),直径为至少5mm,并且所述径向内圆柱表面(S I)。 一个第一轴(XO)和在中空辊的两个轴向表面之间的空心辊(100)测定的所述第二轴线(XI)之间的偏移,小于2微米,并且在所述第一轴线之间的倾斜角(XO )和第二轴线(XI)是角度的不到一分钟。 的滚子轴承(200)包括在其他之中,至少一个搜索辊(100)。