Blow Molding 12 görüntüleme

HDPE '2079851475616104457 excessive flash

Sorun Belirtisi

The flash at the bottle mouth and bottom mold line is thick and difficult to trim.

Neden Analizi

Excessive extrusion pressure/back pressure, improper pre-blowing pressure, poor mold parting line fit.

Çözüm

①Reduce extrusion pressure/back pressure; ②adjust the pre-blowing pressure; ③overhaul the mold parting line fit; ④check the clamping force.

Temel Çıkarım

For large flash, reduce pressure first, then check mold fit.

HDPE; '2079851475616104457; flash; mold line; pre-blowing

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