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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. Cope and drag - Wikipedia

    en.wikipedia.org/wiki/Cope_and_drag

    Cope and drag with cores in place on the drag Two sets of castings (bronze and aluminium) from the above sand mold. In foundry work, the terms cope and drag refer respectively to the top and bottom parts of a two-part casting flask, used in sand casting. The flask is a wood or metal frame, which contains the molding sand, providing support to ...

  4. Pattern (casting) - Wikipedia

    en.wikipedia.org/wiki/Pattern_(casting)

    In casting, a pattern is a replica of the object to be cast, used to form the sand mould cavity into which molten metal is poured during the casting process. Once the pattern has been used to form the sand mould cavity, the pattern is then removed, molten metal is then poured into the sand mould cavity to produce the casting.

  5. Casting - Wikipedia

    en.wikipedia.org/wiki/Casting

    Cast iron casting. Casting is a manufacturing process in which a liquid material is usually poured into a mold, which contains a hollow cavity of the desired shape, and then allowed to solidify. The solidified part is also known as a casting, which is ejected or broken out of the mold to complete the process.

  6. Molding sand - Wikipedia

    en.wikipedia.org/wiki/Molding_sand

    Sand casting is one of the earliest forms of casting practiced due to the simplicity of materials involved. It still remains one of the cheapest ways to cast metal because of that same simplicity. Other methods of casting, such as those using shell molds, boast higher quality of surface finish but have a higher cost.

  7. Core (manufacturing) - Wikipedia

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

    A core is a device used in casting and moulding processes to produce internal cavities and reentrant angles (an interior angle that is greater than 180°). The core is normally a disposable item that is destroyed to get it out of the piece. [1] They are most commonly used in sand casting, but are also used in die casting and injection moulding.

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  9. Metal casting - Wikipedia

    en.wikipedia.org/wiki/Metal_casting

    Plaster casting is similar to sand casting except that plaster of paris is used instead of sand as a mold material. Generally, the form takes less than a week to prepare, after which a production rate of 1–10 units/hr-mold is achieved, with items as massive as 45 kg (99 lb) and as small as 30 g (1 oz) with very good surface finish and close ...

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