Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1997-12-19
1999-08-17
Gorski, Joseph M.
Metal working
Method of mechanical manufacture
Assembling or joining
82 111, 82112, 188 18R, 188218XL, 451 63, 451902, 29557, B24B 100
Patent
active
059374993
ABSTRACT:
A method for fabricating a brake disc assembly comprising the steps of inserting a fixture post (72) through a bore (22) in the hub (14) and disposing a nose-shaped pressure plate (74) into a pocket (73) within the circumference of the inner hub (14) with a washer
ut (78) over the pressure plate (74) to place the post (72) in tension against the bearing assembly to maintain a pre-load on the bearing assembly. The outer race (32) of the bearing assembly is clamped with the gage surface (54) drawn against a gage (84) to properly orient the outer race (32) about a fixed axis (A). A spoke or disc (77) extends radially from the pressure plate (74) and is disposed in axially spaced relationship to the base (26) of the brake disc to be in circumferential driving relationship with the studs (64). Thereafter, the inner hub (14) is engaged through the washer
ut (78) by a rotating member (86) which rotates about a floating axis (B) in a plane perpendicular to the rotation axis (B) as the rotating member (86) is urged against the washer
ut (78) to compress a resilient pad (68) between the rotating member (86) and the washer
ut (78). The braking surfaces (30) of the rotor (28) are machined (92) while the rotating member (86) rotates the hub (14) and brake disc relative to the outer race (32), which is held in a fixed position relative to the machining tools (92). By keeping the axial forces isolated from the hub flange (20), there are no moments on the bearing assembly.
REFERENCES:
patent: 3540165 (1970-11-01), Lanham
patent: 3555940 (1971-01-01), Cooper
patent: 4825596 (1989-05-01), Kinner
patent: 5159754 (1992-11-01), Vancsik
patent: 5430926 (1995-07-01), Hartford
patent: 5596798 (1997-01-01), Hofmann et al.
patent: 5653153 (1997-08-01), Greenwald
patent: 5842388 (1998-12-01), Visser et al.
U.S. application No. 08/807,079, filed Feb. 27, 1997, titled "Method for Fabricating Brake Disc".
U.S. application No. 08/859,696, filed May 31, 1997, titled "Improved Method for Fabricating Brake Disc".
Austin Vince
Kochan Glenn
Gorski Joseph M.
Preta John
Varga Brakes, Inc.
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