DE - Vacuum Forming Steps and Terms

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Last updated 8:32 PM on 6/2/26
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7 Terms

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Vacuum forming

Heating a plastic sheet until soft and using suction to shape it over a mould.

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<p>Step 1: Make the mould</p>

Step 1: Make the mould

The mould (former) is made from wood or foam with smooth, sloped sides.

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<p>Step 2: Place the mould</p>

Step 2: Place the mould

The mould is put on the vacuum former’s platform (platen).

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<p>Step 3: Clamp the plastic sheet</p>

Step 3: Clamp the plastic sheet

A thermoplastic sheet is placed above the mould and clamped tightly.

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<p>Step 4: Heat the plastic</p>

Step 4: Heat the plastic

The heater warms the plastic until it becomes soft and starts to sag.

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<p>Step 5: Raise the mould</p>

Step 5: Raise the mould

The platform lifts the mould up into the soft plastic.

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<p>Step 6: Turn on the vacuum</p>

Step 6: Turn on the vacuum

The vacuum pump sucks out the air, pulling the plastic tightly around the mould.