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  2. Ceramic mold casting - Wikipedia

    en.wikipedia.org/wiki/Ceramic_mold_casting

    It is a combination of plaster mold casting and investment casting. [2] [3] There are two types of ceramic mold casting: the Shaw process and the Unicast process. [4] These casting processes are commonly used to make tooling, especially drop forging dies, but also injection molding dies, die casting dies, glass molds, stamping dies, and ...

  3. Injection moulding - Wikipedia

    en.wikipedia.org/wiki/Injection_moulding

    Circular pattern around gate, normally only an issue on hot runner molds Injection speed is too fast, gate/sprue/runner size is too small, or the melt/mold temp is too low. Jetting: Jetting is a snake-like stream which occurs when polymer melt is pushed at a high velocity through restrictive areas. Poor tool design, gate position or runner.

  4. Investment casting - Wikipedia

    en.wikipedia.org/wiki/Investment_casting

    Another method involves filling the entire mould with molten wax and letting it cool as a solid object. [citation needed] If a core is required, there are two options: soluble wax or ceramic. Soluble wax cores are designed to melt out of the investment coating with the rest of the wax pattern; ceramic cores are removed after the product has ...

  5. Molded pulp - Wikipedia

    en.wikipedia.org/wiki/Molded_pulp

    This newest form of molded pulp is the highest quality of thin-walled products available today. The process uses "cure-in-the-mold" technology which produces well defined, smooth-surfaced molded pulp products. After being formed, the product is captured in heated forming molds that presses and densifies the molded products.

  6. 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 fo

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