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112. Casting

Casting or founding, shaping of metal by melting and pouring into custom molds. Most castings, especially large ones, are made in sand molds. Sand, mixed with a binder to hold it together, is pressed around a wooden pattern that leaves a cavity in the sand. Molten metal is poured into the cavity and allowed to solidify. Permanent metal molds are used to make many small, simple parts; shell molding gives greater accuracy for a large volume of semi precision parts.

A two-step process, investment casting, produces small, complex shapes. Wax or plastic molds of the parts are molded in accurate metal molds. These replicas are covered with sand in a box to make the final mold. When the whole mold is heated, the replica melts, leaving behind a cavity into which metal is poured. Cast iron and cast steel are more brittle than forged iron and forged steel.

Here are some samples we have done before, please kindly take a look:

Product design

Product design
samples
Rapid prototyping

rapid prototyping
samples

Plastic molds
Custom molds
samples


Electronic product
design samples



rapid prototype
samples



Plastic molds
samples
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