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2. Sand casting - Wikipedia

   en.wikipedia.org/wiki/Sand_casting

   Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand—known as casting sand—as the mold material. The term "sand casting" can also refer to an object produced via the sand casting process. Sand castings are produced in specialized factories called foundries. In 2003, over 60% of all metal ...

3. Core (manufacturing) - Wikipedia

   en.wikipedia.org/wiki/Core_(manufacturing)

   For example, a cold-box sand casting core binder is sodium silicate which hardens on exposure to carbon dioxide. [5] Special binders are used in air-set sands to produce core at room temperature. These sands do not require a gas catalyst because organic binders and a curing catalyst are mixed together in the sand which initiates the curing process.

4. List of manufacturing processes - Wikipedia

   en.wikipedia.org/wiki/List_of_manufacturing...

   Centrifugal casting (industrial) Continuous casting; Die casting; Evaporative-pattern casting. Full-mold casting; Lost-foam casting; Investment casting (Lost-wax casting) Countergravity casting [1] Lost-foam casting; Low pressure die casting; Permanent mold casting; Plastic mold casting; Resin casting; Sand casting; Shell molding; Slush casting ...

5. Foundry - Wikipedia

   en.wikipedia.org/wiki/Foundry

   The pattern is made of wax, wood, plastic, or metal. The molds are constructed by several different processes dependent upon the type of foundry, metal to be poured, quantity of parts to be produced, size of the casting, and complexity of the casting. These mold processes include: Sand casting – Green or resin bonded sand mold.

6. Investment casting - Wikipedia

   en.wikipedia.org/wiki/Investment_casting

   Lost-foam casting is a modern form of investment casting that eliminates certain steps in the process. Investment casting is so named because the process invests (surrounds) the pattern with refractory material to make a mould, and a molten substance is cast into the mold. Materials that can be cast include stainless steel alloys, brass ...

7. Shell molding - Wikipedia

   en.wikipedia.org/wiki/Shell_molding

   The cast surface finish is 0.3–4.0 micrometers (50–150 μin) because a finer sand is used. The resin also assists in forming a very smooth surface. The process, in general, produces very consistent castings from one casting to the next. [5] The sand-resin mix can be recycled by burning off the resin at high temperatures. [6]