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Shell molding, also known as shell-mold casting,[1] is an expendable mold casting process that uses a resin covered sand to form the mold. As compared to sand casting, this process has better dimensional accuracy, a higher productivity rate, and lower labor requirements. It is used for small to medium parts that require high precision.[2]
Examples of shell molded items include gear housings, cylinder heads and connecting rods. It is also used to make high-precision molding cores.
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