![]() ![]() Male molds are used when the inside dimensions of the plastic part are a priority. With female molds, the thermoplastic sheet is placed inside the mold. With male molds, the thermoplastic sheet is placed over the mold. ![]() Vacuum forming uses either male or female molds. The simplest type of plastic thermoforming, vacuum forming uses wooden patterns and epoxy tools in addition to temperature-controlled aluminum tooling. Vacuum forming heats a plastic sheet until it becomes pliable, stretches the material onto a mold, and then uses vacuum pressure to obtain the desired part geometry. Learn how this type of plastic thermoforming works. Vacuum forming creates cost-effective plastic parts that support quick-startups and efficient prototyping.
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