Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Q

Extruder screw wear

A

In summary, the causes of the "Extruder screw wear" problem can be attributed to the combined action of multiple factors such as wear from long-term use and the raw material contains abrasive fillers such as glass fiber. Solving this problem requires starting from aspects such as regularly measur...

Material Drying Extruder screw wear extrusion '2079851475616104457 raw material management screw maintenance

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

Unstable product weight

A

In summary, the causes of the "Unstable product weight" problem can be attributed to the combined action of multiple factors such as fluctuation of parison length or wall thickness and variation in raw material density. Solving this problem requires starting from aspects such as stabilize the wal...

Material Drying Unstable product weight extrusion '2079851475616104457 raw material management wall thickness control

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

Parison being pulled apart

A

In summary, the causes of the "Parison being pulled apart" problem can be attributed to the combined action of multiple factors such as insufficient melt strength and extrusion speed too fast. Solving this problem requires starting from aspects such as reduce the extrusion speed and select a high...

Material Drying Parison being pulled apart extrusion '2079851475616104457 speed control resin characteristics

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