Method of manufacturing brake drums

Details Method of manufacturing brake drums Method of manufacturing brake drums

1976-04-16

1978-01-10

DiPalma, Victor A.

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

29406, 295276, 29DIG26, B23P 1304

Patent

active

040670988

ABSTRACT:
A method of manufacturing brake drums or the like and apparatus therefor that minimizes scrap rates by improving as-manufactured balance. In accordance with the disclosed method, the casting rim of the brake drum is located in a press by centering the drum relative to its outer surface. Locating holes are then accurately formed in the drum center by the press prior to machining of the drum inner surface. The subsequent machining operation on the drum inner surface is accomplished by locating the drum accurately via the locating holes formed in the press operation.

REFERENCES:
patent: 1742193 (1930-01-01), Bell
patent: 1954665 (1934-04-01), Dake
patent: 2476151 (1949-07-01), Jeune
patent: 2960765 (1960-11-01), Barrett
patent: 3307251 (1967-03-01), Magyar

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