Molding (process)

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One half of a bronze mold for casting a socketed spear head dated to the period 1400-1000 BC. There are no known parallels for this mold.
One half of a bronze mold for casting a socketed spear head dated to the period 1400-1000 BC. There are no known parallels for this mold.
Tin soldiers being cast in German molds from the early 20th century. The two mold halves are clamped together, and the metal (an alloy of tin and lead, heated to approx. 300 °C) is poured into the mold. When the metal has solidified, the mold is cracked open. Sprues (pouring channels) and extraneous flash (metal that has penetrated cracks and air channels in the mold) are seen in the third image, and have been removed from the castings in the last image.
Tin soldiers being cast in German molds from the early 20th century. The two mold halves are clamped together, and the metal (an alloy of tin and lead, heated to approx. 300 °C) is poured into the mold. When the metal has solidified, the mold is cracked open. Sprues (pouring channels) and extraneous flash (metal that has penetrated cracks and air channels in the mold) are seen in the third image, and have been removed from the castings in the last image.

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, metal, or ceramic raw materials. 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. A release agent is typically used to make removal of the hardened/set substance from the mold easier.

Types of molding include:


Industry  This industry-related article is a stub. You can help Wikipedia by expanding it.
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