A vacuum forming process diagram visually represents how plastic sheets are heated and shaped over molds using vacuum pressure. The key steps include: Clamping the plastic sheet in place. Heating until the plastic becomes pliable. Forming by applying vacuum pressure to pull the sheet over the mold. Cooling the formed shape. Trimming excess material. A vacuum forming ... https://www.gobelovac.com/understanding-how-a-vacuum-forming-machine-works-a-complete-vacuum-forming-machine-diagram-breakdown