Title:
フェイススプライン成形装置及びフェイススプライン成形方法
Document Type and Number:
Japanese Patent JP5815297
Kind Code:
B2
Abstract:
Provided are a face spline forming apparatus and a face spline forming method, with which fluctuation of an inner diameter of a cup section can be suppressed and a face spline can be formed stably. An outer joint member formed by the face spline forming apparatus and the face spline forming method, and a constant velocity universal joint using the outer joint member thus formed are proposed. The face spline forming apparatus comprises: a punch member (50) having a tooth portion (62) for forming a face spline (28); a pedestal (53) having an end-surface receiving surface (52) for receiving an opening end surface (51) of a cup section (7); and a shaft member (57) having an inner-surface receiving surface (56) for receiving a bottom-wall inner surface (55) of the cup section (7). The opening end surface (51) and the bottom-wall inner surface (52) are brought into a simultaneous pressure receiving state. In this state, the punch member performs rocking motion to form the face spline (28) in a bottom-wall back surface (26a) due to plastic deformation caused by the tooth portion (62) of the punch member (50).
Inventors:
Takahiro Kimura
Koji Matsunaga
Koji Matsunaga
Application Number:
JP2011135425A
Publication Date:
November 17, 2015
Filing Date:
June 17, 2011
Export Citation:
Assignee:
ntn corporation
International Classes:
B21K1/30; B21H5/00; B21J9/02; B21K1/14; B60B35/14; F16D3/20
Domestic Patent References:
| JP2009274515A | ||||
| JP2002339959A | ||||
| JP2001162338A | ||||
| JP2006153171A | ||||
| JP63154240A |
Attorney, Agent or Firm:
Kunihiko Shiromura
Tsuyoshi Kumano
Tsuyoshi Kumano