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    • 2. 发明授权
    • Press-fitting structure
    • 压配结构
    • US09350218B2
    • 2016-05-24
    • US14117583
    • 2012-04-17
    • Makoto Kubota
    • Makoto Kubota
    • H02K15/02H02K1/18H02K15/00B23P11/00H02K1/28
    • H02K15/02B23P11/00H02K1/18H02K1/187H02K1/28H02K15/0012H02K15/024Y10T29/49009Y10T29/49012Y10T29/49075Y10T29/49078Y10T29/53161
    • A press-fitting structure has a press-fitting face of a rotor yoke formed from a laminated steel sheet is press fitted onto a face to be press-fitted of a rotor shaft, fitting is carried out with plastic deformation while the first projection of a press-fitting face of a rotor yoke, on which a first projection and a first recess extending in substantially the press-fitting direction are formed in turn, and the second projection of the face to be press-fitted of the rotor shaft, on which a second projection and a second recess extending in the direction intersecting the press-fitting direction are formed in turn, are in contact with each other. Since in a state in which press fitting is completed, the amount of plastic deformation of the second projection of the rotor shaft is larger than the amount of plastic deformation of the first projection of the rotor yoke.
    • 压配结构将由层叠钢板形成的转子轭的压配合面压配合到转子轴的压配面上,在第一突出部的情况下,进行塑性变形 转子轭的压入面依次形成有第一突起和大致按压方向延伸的第一凹部,转子轴的压配面的第二突起部分 依次形成沿与压入方向相交的方向延伸的第二突起和第二凹部彼此接触。 由于在压配合完成的状态下,转子轴的第二突起的塑性变形量大于转子轭的第一突起的塑性变形量。