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Solid Concepts, Inc. is a custom manufacturing company engaged in engineering, manufacturing, production, and prototyping.The company is headquartered in Valencia, California, in the Los Angeles County area, with six other facilities located around the United States.
Core Molding Technologies, Inc. was founded in 1988 (its original name was Core Materials Corporation) and now based in Columbus, Ohio. The company manufactures sheet molding compounds (SMC), and molds fiberglass reinforced plastics .
A bronze casting showing the sprue and risers. A riser, also known as a feeder, [1] is a reservoir built into a metal casting mold to prevent cavities due to shrinkage.Most metals are less dense as a liquid than as a solid so castings shrink upon cooling, which can leave a void at the last point to solidify.
A mold or mould is a hollowed-out block that is filled with a liquid or pliable material such as plastic, glass, metal, or ceramic raw material. [2] The liquid hardens or sets inside the mold, adopting its shape. A mold is a counterpart to a cast. The very common bi-valve molding process uses two molds, one for each half of the object.
When the pattern is to be removed from the sand mold, there is a possibility that any leading edges may break off, or get damaged in the process. To avoid this, a taper is provided on the pattern, so as to facilitate easy removal of the pattern from the mold, and hence reduce damage to edges. The taper angle provided is called the Draft angle ...
Injection moulding (U.S. spelling: injection molding) is a manufacturing process for producing parts by injecting molten material into a mould, or mold. Injection moulding can be performed with a host of materials mainly including metals (for which the process is called die-casting ), glasses , elastomers , confections , and most commonly ...
The polymer solution casting process utilizes a mandrel, or inner diameter mold, that is immersed in a tank of polymer solution or liquid plastic that has been specifically engineered for the process. Due to a combination of thermal and frictional properties, the polymer solution then forms a thin film around the mold. [1]
The process of manufacturing molds is often highly automated. Although many of the machining processes involved in mold making use computer-controlled equipment for the manufacturing of molds (particularly plastic and rubber injection and transfer), moldmaking remains a highly skilled trade, requiring expertise in manual machining, CNC ...
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