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Investment Casting Process

Investment Casting Process. investment casting processes names. Step 1 :. Tooling and Pattern Making

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Investment Casting Process

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  1. Investment Casting Process investment casting processes names

  2. Step 1: • Tooling and Pattern Making A tool is built to customer-provided specifications (A). Cold wax is then injected into the tool to create a wax pattern/prototype (B). That will hold precise dimensional requirements in final casting.

  3. Step 2: • Pattern Assembly The wax patterns are assembled onto the sprue.

  4. Step 3: • Dipping and Coating Successive layers of ceramic (A) and are applied to the sprue assembly to form a hard shell.

  5. Step 4: • De-Waxing and Firing The molds are flash-fired to remove the wax and sprue materials and then heated to 1,800º and placed on a send bed, ready for pouring.

  6. Step 5 • Casting Molten metal, up to 3,000º, is poured into the hollow mold and then cooled.

  7. Step 6: Knockout • The ceramic shell is broken off, and the individual castings are cut away.

  8. Step 7: • Finishing • Excess metal is removed, surfaces are finished, and castings are heat treated.

  9. Step 8: • Testing and Inspection • Casting undergo thorough testing and inspection to ensure that they meet dimensional tolerances and specifications.

  10. Step 9: • Packing and Shipping • Castings are securely packaged for shipping to the customer.

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