FAQs
Vacuum forming is a thermoforming method where a heated plastic sheet is pulled over a mold using vacuum pressure to create a specific shape. Thermoforming is the broader manufacturing process of heating plastic sheets and forming them using vacuum, pressure, or mechanical force to produce rigid or flexible plastic components. It is widely used in packaging, automotive, and industrial applications.
Our vacuum forming and thermoforming machines can produce a wide range of products, including food trays, disposable cups, lids, blister packs, clamshells, industrial trays, medical packaging, internal cushioning, and custom-formed plastic parts. These machines serve industries such as food packaging, electronics, automotive, medical devices, consumer goods, and general industrial packaging.
Our machines efficiently process common thermoforming materials such as PET, PETG, HIPS, PS, PVC, PP, and ABS sheets. The material selection depends on clarity, impact strength, heat resistance, food-grade requirements, and overall product specifications.
A thermoforming machine clamps a plastic sheet, heats it until pliable, and then forms it over a mold using vacuum, pressure, or both. After forming, the part is cooled and trimmed. Modern automatic thermoforming systems feature controlled heating zones, servo-driven movements, in-mold cutting, stacking, and automated cycles for high-volume production.
Vacuum forming uses only vacuum suction to pull the heated plastic sheet onto the mold, making it ideal for simple and cost-effective parts. Pressure forming adds compressed air above the sheet to push it into the mold with greater force. This produces sharper details, better textures, and higher-quality finishes suitable for demanding or aesthetic applications.
Cycle time depends on sheet thickness, material type, mold design, part depth, and the machine’s heating and cooling capabilities. Thin-gauge packaging products may run several cycles per minute, while thick-gauge or deep-draw parts require longer cycles due to extended heating and cooling durations.
Effective thermoforming design includes using draft angles of 3–5° (or more), incorporating smooth radii, avoiding sharp corners, and planning for uniform wall thickness. Minimizing deep draws and extreme material stretching helps reduce thinning and improves part consistency.
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