Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Q

Parison self-ignition during '2079851475616104457

A

In summary, the causes of the "Parison self-ignition during '2079851475616104457" problem can be attributed to the combined action of multiple factors such as Melt temperature far exceeds the resin decomposition temperature, Severe decomposition of accumulated material in the head produces flamma...

Blow Molding Parison self-ignition during '2079851475616104457 extrusion '2079851475616104457 temperature control resin characteristics

Q

Rainbow patterns on the product surface (stress birefringence)

A

In summary, the causes of the "Rainbow patterns on the product surface (stress birefringence)" problem can be attributed to the combined action of multiple factors such as Excessive internal residual stress, Uneven orientation.To solve this problem, it is necessary to start from aspects such as O...

Blow Molding Rainbow patterns on the product surface (stress birefringence) extrusion '2079851475616104457 surface quality stress control

Q

Spiral marks on the inner wall of the product

A

In summary, the causes of the "Spiral marks on the inner wall of the product" problem can be attributed to the combined action of multiple factors such as Rotation of the blow pin or rotational disturbance of the airflow, Unstable flow of the parison inner wall.To solve this problem, it is necess...

Blow Molding Spiral marks on the inner wall of the product extrusion '2079851475616104457 blowing parameters rotation parameters

Q

Bamboo-node marks on the parison surface (elastic turbulence)

A

In summary, the causes of the "Bamboo-node marks on the parison surface (elastic turbulence)" problem can be attributed to the combined action of multiple factors such as Excessive extrusion rate triggering elastic unstable melt flow.To solve this problem, it is necessary to start from aspects su...

Blow Molding Bamboo-node marks on the parison surface (elastic turbulence) extrusion '2079851475616104457 surface quality

Q

Improper usage ratio of recycled PET material

A

In summary, the causes of the "Improper usage ratio of recycled PET material" problem can be attributed to the combined action of multiple factors such as Degradation of recycled material from multiple processing cycles, Loose ratio control. Solving this problem requires starting from aspects suc...

Blow Molding Improper usage ratio of recycled PET material stretch '2079851475616104457 recycled material management thermal stability

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 Poor blow mold precision, Uneven cooling. Solving this problem requires starting from aspects such as Repair the cavity precision, Optimize the cooling...

Blow Molding Bottle body ovality out of tolerance stretch '2079851475616104457 cooling process mold design

Q

Preform crystallinity too high

A

In summary, the causes of the "Preform crystallinity too high" problem can be attributed to the combined action of multiple factors such as Insufficient preform cooling speed, Mold temperature too high. Solving this problem requires starting from aspects such as Improve the cooling efficiency of ...

Blow Molding Preform crystallinity too high stretch '2079851475616104457 temperature control speed control cooling process

Q

Concentrated stress whitening areas on the bottle body

A

In summary, the causes of the "Concentrated stress whitening areas on the bottle body" problem can be attributed to the combined action of multiple factors such as Stretching temperature in that area too low, Stretch ratio too large. Solving this problem requires starting from aspects such as Inc...

Blow Molding Concentrated stress whitening areas on the bottle body stretch '2079851475616104457 temperature control stretch ratio stress control

Q

Inconsistent multi-cavity preforms

A

In summary, the causes of the "Inconsistent multi-cavity preforms" problem can be attributed to the combined action of multiple factors such as Unbalanced runners, Temperature differences among cavities. Solving this problem requires starting from aspects such as Optimize the hot runner balance, ...

Blow Molding Inconsistent multi-cavity preforms stretch '2079851475616104457 temperature control

Q

Excessive thickness at the top of the bottle body

A

In summary, the causes of the "Excessive thickness at the top of the bottle body" problem can be attributed to the combined action of multiple factors such as Preform top temperature too low and stretching insufficient. Solving this problem requires starting from aspects such as Increase the pref...

Blow Molding Excessive thickness at the top of the bottle body stretch '2079851475616104457 temperature control stretch ratio

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