Method and apparatus for manufacture of brake drums

Details Method and apparatus for manufacture of brake drums Method and apparatus for manufacture of brake drums

1981-07-20

1984-03-13

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164334, B22D 1908

Patent

active

044361394

ABSTRACT:
A method and apparatus for manufacture of brake drums, particularly tri-metallic drums of the type comprising a preformed brake liner, a mounting disc, and an aluminum shell cast around and joining the liner and disc into a rigid structure. The apparatus includes a mandrel with a plurality of springs for internally resiliently engaging the brake liner and locating the same in accurate position. The mounting disc is likewise accurately positioned on a mold surface, and the mold is closed to form a cavity for casting of the shell coaxially with the liner and disc.

REFERENCES:
patent: 2136447 (1938-11-01), Jeune

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