Science Fair Project Encyclopedia
Molding (process)
Molding 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
- Compaction plus sintering
- Plastics
- Injection molding
- Compression molding
- Transfer molding
- Extrusion molding
- Blow molding
- Rotational molding
- Thermoforming
- Laminating
- Expandable bead molding
- Foam molding
- Rotomolding
- Vacuum plug assist molding
- Pressure plug assist molding
- Matched mold
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details