Deep draw ratio limitation of PLA vacuum forming

Problembeschreibung

The vacuum deep draw ratio of PLA sheet is limited and cannot reach the level of PP.

Ursachenanalyse

The ductility of PLA is limited, and the deep draw ratio is <2:1, otherwise it breaks.

Lösung

Select high-ductility PLA grades; raise the sheet temperature; use an auxiliary plug.

Wichtigste Erkenntnis

The deep draw ratio of PLA is a design constraint.

PLA vacuum forming deep draw ratio ductility

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