Method of joining brake assemblies to wheel hubs

Details Method of joining brake assemblies to wheel hubs Method of joining brake assemblies to wheel hubs

1997-12-29

1999-10-12

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Assembling or joining

188218XL, B23P 2500

Patent

active

059640227

ABSTRACT:
Method of mounting a brake rotor to a wheel hub, the mounting establishing a sealed but removable fixed bearing therebetween; it comprises the steps of: (a) forming mating metallic mounting surfaces on the respective rotor and hub that at least in part extend in a plane normal to the axis of rotation of the hub (for example, within a tolerance .+-.0.001 inch); (b) depositing a sealing material between the mounting surfaces consisting of a mineral oil based paste containing generally similar proportions by volume of particles of nickel, graphite and a hydrocarbon, suspended in the paste, the particles having an ultra fine particle size in the range of 5-80 microns; (c) clamping the surfaces together to complete the mounting, the clamping causing the deposited material to spread uniformly therebetween to seal the surfaces against corrosion, the paste being deposited in a limited volume to permit metal to metal contact between micro ridges of the surfaces when clamped, the uniformly spread material tolerating micromovements between the surfaces during extended use without fretting to thereby maintain alignment of the rotor to the hub within the designed tolerance.

REFERENCES:
patent: 3630323 (1971-12-01), Hickle
patent: 4180622 (1979-12-01), Burkhard et al.
patent: 4643648 (1987-02-01), Huller
patent: 5108156 (1992-04-01), Bell
patent: 5194304 (1993-03-01), McCune, Jr. et al.
patent: 5407035 (1995-04-01), Cole et al.
patent: 5526914 (1996-06-01), Dwivedi
patent: 5569496 (1996-10-01), Wei et al.
patent: 5686144 (1997-11-01), Thebault et al.

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