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2. Permanent mold casting - Wikipedia

   en.wikipedia.org/wiki/Permanent_mold_casting

   A draft of 2 to 3° is required. Wall thicknesses are limited to 3 to 50 mm (0.12 to 1.97 in). Typical part sizes range from 100 g to 75 kg (several ounces to 150 lb). Other advantages include the ease of inducing directional solidification by changing the mold wall

3. Evaporative-pattern casting - Wikipedia

   en.wikipedia.org/wiki/Evaporative-pattern_casting

   Evaporative-pattern casting is a type of casting process that uses a pattern made from a material that will evaporate when the molten metal is poured into the molding cavity. The most common evaporative-pattern material used is polystyrene foam. [1] The two major evaporative-pattern casting processes are: [1] Lost-foam casting; Full-mold casting

4. Rotational molding - Wikipedia

   en.wikipedia.org/wiki/Rotational_molding

   [3] In 1976, the Association of Rotational Molders (ARM) was founded in Chicago as a worldwide trade association. The main objective of this association is to increase awareness of the rotational molding technology and process. [3] In the 1980s, new plastics, such as polycarbonate, polyester, and nylon, were introduced to rotational molding ...

5. Pattern (casting) - Wikipedia

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

   Aluminium casting contraction is ~1.3% for example, so patternwork for a cast aluminium part would be made 1.3% bigger than the cast part itself. [1] [2] Patterns used in sand casting may be made of wood, metal, plastics or other materials. Patterns are made to exacting standards of construction, so that they can last for a reasonable length of ...

6. Metal casting - Wikipedia

   en.wikipedia.org/wiki/Metal_casting

   Molten metal before casting Casting iron in a sand mold. In metalworking and jewelry making, casting is a process in which a liquid metal is delivered into a mold (usually by a crucible) that contains a negative impression (i.e., a three-dimensional negative image) of the intended shape.

7. Injection mold construction - Wikipedia

   en.wikipedia.org/wiki/Injection_mold_construction

   Injection mold construction is the process of creating molds that are used to perform injection molding operations using an injection molding machine. These are generally used to produce plastic parts using a core and a cavity. Molds are designed as two-plate or three-plate molds, depending on the type of component to be manufactured.