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Patent Searching and Data


Title:
クランクシャフトの製造装置および製造方法
Document Type and Number:
Japanese Patent JP5324284
Kind Code:
B2
Abstract:
The present invention provides a production apparatus for crankshaft, including: a die which has a lower die, an upper die, and plural side forming punches, the upper die being provided movably to the lower die, the side forming punches moving perpendicularly to a movement direction of the upper die; a press ram which moves the upper die to the lower die, closes a material of the crankshaft, and forms the material; cam mechanisms which are provided for the side forming punches and which move the side forming punches to an inside portion of the die in accordance with movement of the press ram; a grade separation structure which is provided to at least one of the side forming punches in order to prevent interference of the side forming punches with each other.

Inventors:
Yasuhiro Ito
Takayuki Onuma
Tsutomu Ando
Yasuyuki Kondo
Application Number:
JP2009080057A
Publication Date:
October 23, 2013
Filing Date:
March 27, 2009
Export Citation:
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Assignee:
Honda motor industry stock company
Nichidai Co., Ltd.
International Classes:
B21K1/08; B21J5/02; F16C3/06
Domestic Patent References:
JP3243232A
JP61143727U
Attorney, Agent or Firm:
Suenari Mikio