Method for producing damper pulley

Details Method for producing damper pulley Method for producing damper pulley

1994-11-23

1995-11-14

Echols, P. W.

Metal working

Method of mechanical manufacture

Pulley making

474178, 474902, B21K 142

Patent

active

054654858

ABSTRACT:
A method for producing a damper pulley having a boss portion to be press-fitted onto a rotary shaft, an annular main portion extending from the boss portion, a flange portion formed along an outer periphery of the main portion, a ring-shaped damper-mass member located outside the flange portion and a rubber body interposed between the flange portion and the damper-mass member includes the steps of integrally forming the boss portion, the main portion and the flange portion of a metallic plate such that the main portion has a curved section, and has a radial length greater than a straight line distance between the boss portion and the flange portion, placing the rubber body between the flange portion and the damper-mass member, and enlarging the diameter of the flange portion to elongate the main portion having a curved section, thereby the enlarged flange portion presses the rubber body against the damper-mass member.

REFERENCES:
patent: 4961254 (1990-10-01), Andra et al.
Japan Abstract, Torsional Damper 58-152953, Sep. 1983, Akira Matsumoto.
Japan Abstract "Torsional Vibration Damper" 58-88246, May 1983, Akira Matsumoto.

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