B - Operations – Transporting – 21 – D
Patent
B - Operations, Transporting
21
D
B21D 53/00 (2006.01) F16D 13/64 (2006.01) F16H 55/32 (2006.01)
Patent
CA 2338811
A waved disk (3) for use in a friction engaging apparatus has toothed portions (3a) along an outer or inner edge thereof, and is bent or undulated in a direction of the plate thickness with the circumferential direction as the direction of a wave length. In manufacturing the waved disk (3), there is used a press with a stationary die (100) and a movable die (200). The stationary die (100) has a plurality of radially elongated pressing portions (101) raised from the surface of the stationary die (100) so as to correspond to highest portions (3b) of mountains of the wave. The movable die (200) has a plurality of radially elongated pressing portions (201) raised from the surface of the movable die (200) so as to correspond to lowest portions (3c) of valleys of the wave. A disk blank (3') made up of an annular flat plate having a toothed portion (3a) along an outer or inner edge thereof is pressed between the stationary and movable dies (100, 200) for being pressed in the direction of the plate thickness. By means of guide members (102) provided in the stationary die (100) for phase-positioning, the disk blank (3') is fixed in phase so as to be positioned circumferentially away from each of the pressing portions (101, 201) of the stationary and movable dies (100, 200), respectively. Press forming is performed in this state. Deviations in wave height and in load characteristics are thus prevented.
Amano Makoto
Miura Tatsuhito
Sakatou Masatoshi
Shimadu Satoshi
Tane Toshiaki
Honda Giken Kogyo Kabushiki Kaisha
Kabushiki Kaisha Fcc
Marks & Clerk
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