Molding (process)
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Image:Bronze spearhead mold.JPG
Molding or casting is the process of manufacturing by shaping pliable raw material using a rigid frame or model called a mold.
A mold or mould is a hollowed-out block that is filled with a liquid like plastic, glass or metal. The liquid hardens or sets inside the mold, adopting its shape. A mold is the opposite of a cast (see casting). The manufacturer who makes the molds is called moldmaker or mouldmaker.
Types of molding include:
- Powder metallurgy and ceramics
- Compaction plus sintering
- Plastics