Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Difficult preform demolding

A

In summary, the causes of the "Difficult preform demolding" problem can be attributed to the combined action of multiple factors such as Core rod temperature too high, Insufficient mold release agent. Solving this problem requires starting from aspects such as Strengthen core rod cooling, Use an ...

Blow Molding Difficult preform demolding stretch '2079851475616104457 temperature control cooling process de'2079851475616104453

Q

Bottle body volume deviation

A

In summary, the causes of the "Bottle body volume deviation" problem can be attributed to the combined action of multiple factors such as Preform weight fluctuation, Blow-up ratio variation. Solving this problem requires starting from aspects such as Stabilize the preform weight, Calibrate the bl...

Blow Molding Bottle body volume deviation stretch '2079851475616104457 mold design blow-up ratio

Q

Preform yellowing and discoloration

A

In summary, the causes of the "Preform yellowing and discoloration" problem can be attributed to the combined action of multiple factors such as Melt temperature too high, Long residence time. Solving this problem requires starting from aspects such as Reduce the melt temperature, Shorten the res...

Material Drying Preform yellowing and discoloration stretch '2079851475616104457 temperature control raw material management

Q

Flow marks on the bottle body surface

A

In summary, the causes of the "Flow marks on the bottle body surface" problem can be attributed to the combined action of multiple factors such as Unstable flow during preform injection, Uneven preform temperature. Solving this problem requires starting from aspects such as Optimize the injection...

Blow Molding Flow marks on the bottle body surface stretch '2079851475616104457 temperature control surface quality

Q

High internal stress in the preform

A

In summary, the causes of the "High internal stress in the preform" problem can be attributed to the combined action of multiple factors such as Injection pressure too high, Holding pressure time too long. Solving this problem requires starting from aspects such as Reduce the injection and holdin...

Blow Molding High internal stress in the preform stretch '2079851475616104457 pressure adjustment cooling process stress control

Q

Uneven bottle mouth threads

A

In summary, the causes of the "Uneven bottle mouth threads" problem can be attributed to the combined action of multiple factors such as Preform mouth temperature too low, Poor precision of the mold thread cavity. Solving this problem requires starting from aspects such as Increase the preform mo...

Blow Molding Uneven bottle mouth threads stretch '2079851475616104457 temperature control mold design bottle mouth forming

Q

Product weight deviation

A

In summary, the causes of the "Product weight deviation" problem can be attributed to the combined action of multiple factors such as Unstable injection volume, Preform wall thickness fluctuation. Solving this problem requires starting from aspects such as Stabilize the injection volume, Strictly...

Blow Molding Product weight deviation stretch '2079851475616104457 wall thickness control

Q

Bulging in the middle of the bottle body

A

In summary, the causes of the "Bulging in the middle of the bottle body" problem can be attributed to the combined action of multiple factors such as Middle temperature too high, Blowing pressure too high. Solving this problem requires starting from aspects such as Optimize the heating curve to l...

Blow Molding Bulging in the middle of the bottle body stretch '2079851475616104457 temperature control pressure adjustment blowing parameters

Q

Thin wall at the bottle shoulder

A

In summary, the causes of the "Thin wall at the bottle shoulder" problem can be attributed to the combined action of multiple factors such as Preform shoulder temperature too high, Stretch ratio at that location too large. Solving this problem requires starting from aspects such as Adjust the hea...

Blow Molding Thin wall at the bottle shoulder stretch '2079851475616104457 temperature control stretch ratio

Q

Bottle body bottom too thick

A

In summary, the causes of the "Bottle body bottom too thick" problem can be attributed to the combined action of multiple factors such as Insufficient stretch rod stroke, Bottom temperature too high and stretching insufficient. Solving this problem requires starting from aspects such as Increase ...

Blow Molding Bottle body bottom too thick stretch '2079851475616104457 temperature control stretch ratio

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