The Investment Casting Process has distinct advantages over other manufacturing methods. These include:
FLEXIBILITY OF DESIGN
Investment castings can be manufactured with all manner of complex
features, such as 3D contours, thin walls and undercuts, allowing
designers to concentrate on functionality as opposed to manufacturability.
CLOSE TOLERANCES AND CONSISTENCY
Recognition of process variables and statistical process controls result
in closer tolerances and excellent product consistency.
HIGH STATIC AND DYNAMIC MECHANICAL PROPERTIES
Reduced cast grainsize or dentrite arm spacing, combined with controlled
solidification casting techniques, yields components with improved
mechanical properties.
ECONOMICAL FOR PROTOTYPE AND PRODUCTION QUANTITIES
Depending upon component size and configuration, five or ten prototypes,
as well as large production runs, can be produced economically. Moreover,
by incorporating many functional features into a single casting, the break-even
quantity can be lowered significantly.
FREEDOM OF ALLOY SELECTION
Components can be manufactured with the aluminum- or copper-base alloy
best suited to the application.
BETTER PRODUCT PERFORMANCE
Compared to conventional manufacturing methods, investment casting provides
design flexibility, weight saving, improved mechanical properties and better
product performance.
GOOD SURFACE FINISH
In contoured air-passage areas, such as engine air intakes, components
can be cast with ultra-smooth surfaces, thereby increasing engine performance
without resorting to expensive secondary operations.
LOWER TOTAL COMPONENT COST
Incorporating many functional features into the same complex casting reduces
the number of sub-assemblies and lowers the overall manufacturing cost.
ELIMINATION OF MACHINING
Well-engineered designs that select the most effective and functional
dimensioning and tolerancing techniques minimize the need for subsequent
machining operations.
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Process Comparison Chart
Compare the investment casting process with other methods of forming metal components. |
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