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Lost Foam Overview
The
main advantage of the Lost Foam Process compared to conventional casting
methods:
-
Lower
total unit cost for a machined end product
Achieved
by:
-
Reduced
Machining Cost
-
High casting
tolerances
-
The possibility
of cast-in internal holes/canals down to 5 mm (E.g. hydraulic units, water-cooled
components, oil lines).
-
Elimination
of machining of individual parts before assembling
-
Reduction
of Assembly Cost
-
Integration
of several components into one casting.
-
High degree
of design freedom
-
Production
of complex components with additional functions
-
Reduction
of weight because of the way the polystyrene pattern is generated draft
can be reduced or even eliminated.
-
Reduced
wall sections and near-net-shape castings.
Additional
Benefits:
-
Environmentally
friendly. The unbonded sand is re-used 100%.
-
No
expensive tool maintenance costs because there is almost no pattern wear.
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