Method of making a brake rotor/drum

Details Method of making a brake rotor/drum Method of making a brake rotor/drum

1999-01-07

2000-09-05

Echols, P. W.

Metal working

Method of mechanical manufacture

Combined manufacture including applying or shaping of fluent...

164 34, B22D 1500

Patent

active

061123986

ABSTRACT:
A rotatable vehicle brake component having integrally formed teeth adapted for use with a sensor of an anti-lock brake system is disclosed. The method for producing the rotatable vehicle brake component of this invention comprises the steps of: (a) providing a vaporizable pattern having a shape which generally corresponds to the desired final shape of the rotatable vehicle brake component, the rotatable vehicle brake component selected from the group consisting of a vehicle brake drum and a vehicle brake rotor, the pattern; (b) forming a mold around the pattern; (c) forming the rotatable vehicle brake component by a lost foam casting process wherein molten metal is introduced into the mold causing vaporization of the pattern, the rotatable vehicle component having integrally formed teeth; (d) removing the cast rotatable vehicle brake component from the mold; and (e) machining the integrally formed teeth of the cast rotatable vehicle brake component to predetermined tolerances to thereby produce the rotatable vehicle brake component.

REFERENCES:
patent: 5203398 (1993-04-01), Easwaran
patent: 5524696 (1996-06-01), Osborne et al.
patent: 5620042 (1997-04-01), Irm

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