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Vacuum Forming
Created on 01.04
Thermoforming: Also known as vacuum forming, it is one of the thermoplastic forming methods. This process involves clamping sheet or plate material onto the frame of a vacuum forming machine. After heating to soften the material, vacuum suction pulls it against the mold through air channels along the mold edges. Following a brief cooling period, the formed plastic product is obtained.
Classification:
Vacuum forming methods primarily include: concave mold vacuum forming, convex mold vacuum forming, sequential vacuum forming with concave and convex molds, blow-up vacuum forming, plunger-driven vacuum forming, and vacuum forming with gas cushioning devices.
Advantages:
The equipment is relatively simple, and the molds do not need to withstand pressure. They can be made of metal, wood, or plaster, enabling fast forming speeds and easy operation.
Application:
Widely utilized for internal and external packaging across industries including food, cosmetics, electronics, hardware, toys, crafts, pharmaceuticals, health supplements, daily necessities, and stationery; disposable cups and various cup-shaped containers; aquaculture trays, seedling trays, and biodegradable takeaway containers.
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