Patent ID: 6196363
Filing Date: 2001-03-06
Classification: B22D,F16D,Y10T

Abstract:
A composite vehicle brake drum comprising:a one-piece spun formed metal brake drum component defining a center longitudinal axis and including a cylindrical shell having a squealer band which defines a squealer band outer diameter, a mounting flange extending radially inwardly from one end of said shell toward said center longitudinal axis, and an annular lip extending radially inwardly from an opposite end of said shell toward said center longitudinal axis;said shell, said mounting flange, and said lip cooperating to define a mold cavity; andsaid mold cavity of said brake drum component then having a liner centrifugally cast therein;wherein said mounting flange has a pilot hole formed therein which defines a pilot hole inner diameter, said pilot hole formed by locating off of said squealer band outer diameter.