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Blow-out (burst bottle)

In summary, the causes of the "Blow-out (burst bottle)" problem can be attributed to the combined action of multiple factors such as Preform temperature too high causing over-stretching, Stretching speed too fast. Solving this problem requires starting from aspects such as Reduce the preform temp...

Blow Molding Blow-out (burst bottle) stretch '2079851475616104457 temperature control speed control wall thickness control

Insufficient bottle body gloss

In summary, the causes of the "Insufficient bottle body gloss" problem can be attributed to the combined action of multiple factors such as Rough surface of the blow mold cavity, Preform temperature too low. Solving this problem requires starting from aspects such as Polish the mold cavity, Appro...

Blow Molding Insufficient bottle body gloss stretch '2079851475616104457 temperature control pressure adjustment mold design

Bottle bottom not blown open (bottom folds)

In summary, the causes of the "Bottle bottom not blown open (bottom folds)" problem can be attributed to the combined action of multiple factors such as Preform bottom temperature too low, Insufficient stretch rod stroke. Solving this problem requires starting from aspects such as Increase the pr...

Blow Molding Bottle bottom not blown open (bottom folds) stretch '2079851475616104457 temperature control pressure adjustment blowing parameters

Bottle body whitening after stretching (stress whitening)

In summary, the causes of the "Bottle body whitening after stretching (stress whitening)" problem can be attributed to the combined action of multiple factors such as Stretching temperature too low, Stretch ratio too large. Solving this problem requires starting from aspects such as Increase the ...

Material Drying Bottle body whitening after stretching (stress whitening) stretch '2079851475616104457 temperature control resin characteristics stretch ratio

High preform haze

In summary, the causes of the "High preform haze" problem can be attributed to the combined action of multiple factors such as Raw material moisture content too high, Mold surface not smooth. Solving this problem requires starting from aspects such as Strictly dry the raw material to a moisture c...

Material Drying High preform haze stretch '2079851475616104457 temperature control mold design raw material management

Preform whitening (crystallization)

In summary, the causes of the "Preform whitening (crystallization)" problem can be attributed to the combined action of multiple factors such as Insufficient preform cooling speed causing crystallization, Mold temperature too high. Solving this problem requires starting from aspects such as Impro...

Blow Molding Preform whitening (crystallization) stretch '2079851475616104457 temperature control speed control cooling process

Uneven preform wall thickness

In summary, the causes of the "Uneven preform wall thickness" problem can be attributed to the combined action of multiple factors such as uneven gap between the core rod and the cavity and uneven injection pressure distribution. Solving this problem requires starting from aspects such as adjust ...

Blow Molding Uneven preform wall thickness stretch '2079851475616104457 pressure regulation wall thickness control

Preform eccentricity (uneven wall thickness)

In summary, the causes of the "Preform eccentricity (uneven wall thickness)" problem can be attributed to the combined action of multiple factors such as core rod of the injection mold eccentric and wear of the mold guide pins. Solving this problem requires starting from aspects such as correct t...

Blow Molding Preform eccentricity (uneven wall thickness) stretch '2079851475616104457 mold design wall thickness control

Preform injection short shot

In summary, the causes of the "Preform injection short shot" problem can be attributed to the combined action of multiple factors such as insufficient injection pressure and melt temperature low. Solving this problem requires starting from aspects such as increase the injection pressure and speed...

Blow Molding Preform injection short shot stretch '2079851475616104457 temperature control pressure regulation speed control

Material trapped at the product bottom (flash residue)

In summary, the causes of the "Material trapped at the product bottom (flash residue)" problem can be attributed to the combined action of multiple factors such as improper pinch-off design of the blow mold and parison flash not completely trimmed. Solving this problem requires starting from aspe...

Blow Molding Material trapped at the product bottom (flash residue) injection '2079851475616104457

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