An Example in
Steel Casting -- Lever Arm in the BMW Engine Valve Train
Molding
Process Selection
In considering the physical
size, production quantity, complexity, tolerance requirements, and cost
targets for the lever arm component, lost-wax investment casting
was the molding process
of choice.
Ceramic
Shell Mold
The lost-wax investment casting
process--
Uses a mold formed by coating a wax
pattern with a ceramic to form a shell mold.
Provides exceptionally fine detail and
excellent dimensional tolerance.
