Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Foreign matter mixed into the regrind

A

In summary, the causes of the "Foreign matter mixed into the regrind" problem can be attributed to the combined action of multiple factors such as improper management of regrind and incomplete sorting. Solving this problem requires starting from aspects such as strengthen regrind sorting manageme...

Blow Molding Foreign matter mixed into the regrind extrusion '2079851475616104457 regrind management

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 fluctuation of parison wall thickness or length and variation of the blow-up ratio. Solving this problem requires starting from aspects such as strictly contro...

Blow Molding Bottle body volume deviation extrusion '2079851475616104457 wall thickness control blow-up ratio

Q

Low mold cooling efficiency

A

In summary, the causes of the "Low mold cooling efficiency" problem can be attributed to the combined action of multiple factors such as unreasonable cooling water channel design and insufficient water flow. Solving this problem requires starting from aspects such as optimize the cooling water ch...

Blow Molding Low mold cooling efficiency extrusion '2079851475616104457 cooling process mold design material selection

Q

Product surface streaks (flow marks)

A

In summary, the causes of the "Product surface streaks (flow marks)" problem can be attributed to the combined action of multiple factors such as scratches or material buildup on the die inner wall and unstable melt flow. Solving this problem requires starting from aspects such as clean or polish...

Blow Molding Product surface streaks (flow marks) extrusion '2079851475616104457 die adjustment surface quality

Q

Poor sealing of the bottle neck

A

In summary, the causes of the "Poor sealing of the bottle neck" problem can be attributed to the combined action of multiple factors such as irregular bottle neck threads and uneven bottle neck end face. Solving this problem requires starting from aspects such as optimize the bottle neck mold des...

Blow Molding Poor sealing of the bottle neck extrusion '2079851475616104457 bottle neck forming shrinkage control

Q

Insufficient bottle bottom thickness

A

In summary, the causes of the "Insufficient bottle bottom thickness" problem can be attributed to the combined action of multiple factors such as parison sagging causing insufficient material at the bottom and blow-up ratio too large. Solving this problem requires starting from aspects such as ad...

Blow Molding Insufficient bottle bottom thickness extrusion '2079851475616104457 blow-up ratio bottle bottom forming

Q

Bottle body ovality out of tolerance

A

In summary, the causes of the "Bottle body ovality out of tolerance" problem can be attributed to the combined action of multiple factors such as uneven blowing and uneven cooling causing asymmetric shrinkage. Solving this problem requires starting from aspects such as optimize the symmetry of th...

Blow Molding Bottle body ovality out of tolerance extrusion '2079851475616104457 cooling process blowing parameters de'2079851475616104453

Q

Wall thickness too thin after mold closing

A

In summary, the causes of the "Wall thickness too thin after mold closing" problem can be attributed to the combined action of multiple factors such as pinch-off design too tight and parison diameter too large. Solving this problem requires starting from aspects such as optimize the pinch-off ang...

Blow Molding Wall thickness too thin after mold closing extrusion '2079851475616104457 wall thickness control mold closing accuracy

Q

Parison curling (twisting)

A

In summary, the causes of the "Parison curling (twisting)" problem can be attributed to the combined action of multiple factors such as uneven die temperature and damage or material buildup on one side of the die inner wall. Solving this problem requires starting from aspects such as check the di...

Blow Molding Parison curling (twisting) extrusion '2079851475616104457 temperature control die adjustment

Q

Improper proportion of regrind used

A

In summary, the causes of the "Improper proportion of regrind used" problem can be attributed to the combined action of multiple factors such as severe degradation of the regrind and proportion not strictly controlled. Solving this problem requires starting from aspects such as limit the regrind ...

Blow Molding Improper proportion of regrind used extrusion '2079851475616104457 regrind management thermal stability

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