728x90 SMALL Principle and Pros and Cons1 Shell Molding Process: Principle and Pros and Cons Shell Molding Principle Shell molding is a type of sand casting that uses thin shells instead of sand. Shells are made by coating a mold frame with materials such as gypsum, pearlite, and skimmed milk. Shells are typically 3-5 mm thick and have a strong bonding layer of resin inside. The shell molding process proceeds in the following steps: Prepare the mold frame. Apply the shell coating agent .. 2023. 11. 30. 이전 1 다음 728x90