Title:
OUTER RING OF UNIVERSAL JOINT WITH CROSS GROOVE
Document Type and Number:
Japanese Patent JPS61160630
Kind Code:
A
Abstract:
PURPOSE:To make thickness in a thick part shift from the circumference of a pressing groove to that of a cross groove and secure ample movements of the thickness as well as to make the sharp and smooth cross groove formable, by forming a local pressing groove in position along the cross groove on an inner circumferential surface of an outer circumferential surface of an outer ring. CONSTITUTION:A blank form material is put on a mandrel punch 12 and then a movable cope 14 is made to go down. the circumference of an outer ring part 4 of the blank form material 13 is restrained by a forming mold 29 by means of operation of a taper surface 32 of a passive mold 30 being pressed by a draw-back mold 33. An inner surface of the outer ring part 4 of the blank form material 13 is pressed by a cross groove mold 16 and a pressing groove mold 16', forming a cross groove 1. At this time, or when the local pressing groove mold 16' forms the cross groove 16, thickness in a thick part of the blank form material 13 is shifted.
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Inventors:
IKEDA SADAO
ITO NORIO
MINE KOICHI
NAKAJIMA YASUHARU
IKUSHIMA KOICHI
IMAHASHI KUNIHIKO
ITO NORIO
MINE KOICHI
NAKAJIMA YASUHARU
IKUSHIMA KOICHI
IMAHASHI KUNIHIKO
Application Number:
JP68985A
Publication Date:
July 21, 1986
Filing Date:
January 07, 1985
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F16D3/20; B21K1/76; F16D3/226; F16D3/227; (IPC1-7): F16D3/20
Attorney, Agent or Firm:
Unuma Tatsuyuki