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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.
Print/export Download as PDF; Printable version; In other projects ... The term patternmaking may refer to: The making of patterns for casting;
The pins are then carefully pulled out of the sand. The critical part of the operation is to separate the cope and drag to remove the pattern. The pattern may be vibrated with a powered vibrator, or the pattern, and maybe the cope and drag flask, will be lightly tapped with a small hammer. The pattern is lifted from the sand, leaving a molding ...
Lost-foam casting (LFC) is a type of evaporative-pattern casting process that is similar to investment casting except foam is used for the pattern instead of wax. This process takes advantage of the low boiling point of polymer foams to simplify the investment casting process by removing the need to melt the wax out of the mold.
A pattern book, or architectural pattern book, is a book of architectural designs, usually providing enough for non-architects to build structures that are copies or significant derivatives of major architect-designed works. A number of pattern books have been very influential in spreading architectural styles.
Around the mid-1400s, block-books, woodcut books with both text and images, usually carved in the same block, emerged as a cheaper alternative to manuscripts and books printed with movable type. These were all short heavily illustrated works, the bestsellers of the day, repeated in many different block-book versions: the Ars moriendi and the ...
A stereotype mold ("flong") being made Stereotype casting room of the Seattle Daily Times, c. 1900. In printing, a stereotype, [note 1] stereoplate or simply a stereo, is a solid plate of type metal, cast from a papier-mâché or plaster mould taken from the surface of a forme of type.
To depict the foundry industry, he visited the Modern Foundry to get ideas and set a scene for one of the murals, called Foundry and Machine Shop Products. In this mural, a man (modeled by Joseph Schwope, 1898–1980) is skimming a ladle of iron, while an iron pourer (modeled by Bill Rengering, 1901–1985) pours a mold.