Title:
SCREW-LIKE SHAFT AND ITS MANUFACTURING METHOD
Document Type and Number:
Japanese Patent JP2004209563
Kind Code:
A
Abstract:
To finish a side surface of a helical groove in a screw-like shaft having high strength to high accuracy at low cost.
The method for manufacturing the screw-like shaft having the helical groove 11' has: a step for rough-forming the helical groove 11'' by cutting a raw material; and a step for carrying out finishing of the side surface of the rough-formed helical groove 11'' by rolling.
Inventors:
OKAWA NORITAKE
SHIINA MASAHIKO
MATSUBARA HIDEO
SHIINA MASAHIKO
MATSUBARA HIDEO
Application Number:
JP2002379705A
Publication Date:
July 29, 2004
Filing Date:
December 27, 2002
Export Citation:
Assignee:
KOYO SEIKO CO
International Classes:
B23P13/00; B21H3/02; B62D5/04; (IPC1-7): B23P13/00; B21H3/02; B62D5/04
Attorney, Agent or Firm:
Susumu Nemoto