Extrusion & Post 12 görüntüleme

PP Film MD Thickness Deviation

Sorun Belirtisi

Periodic thickness fluctuation in the MD direction of CPP/IPP film.

Neden Analizi

Extrusion output fluctuation (screw wear, unstable feeding) or haul-off speed fluctuation; thickness feedback lag.

Çözüm

①Check feeding stability and screw wear; ②stabilize haul-off; ③closed-loop thickness adjustment; ④optimize die bolts.

Temel Çıkarım

For MD thickness variation, first stabilize extrusion output and haul-off.

PP;film;thickness deviation;MD;extrusion fluctuation

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