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Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Sudden rise of extruder head pressure

In summary, the causes of the "Sudden rise of extruder head pressure" problem can be attributed to the combined action of multiple factors such as Screen breakage blocking the die, Temperature sensor failure causing actual temperature to be too low.To solve this problem, it is necessary to start ...

Blow Molding Sudden rise of extruder head pressure extrusion '2079851475616104457 temperature control pressure regulation die adjustment

Interlayer peeling in multi-layer co-extrusion '2079851475616104457

In summary, the causes of the "Interlayer peeling in multi-layer co-extrusion '2079851475616104457" problem can be attributed to the combined action of multiple factors such as Large interlayer temperature differences, Improper adhesive layer material selection or insufficient thickness.To solve ...

Material Drying Interlayer peeling in multi-layer co-extrusion '2079851475616104457 extrusion '2079851475616104457 temperature control material selection

Deformation of the product after long-term storage (post-crystallization)

In summary, the causes of the "Deformation of the product after long-term storage (post-crystallization)" problem can be attributed to the combined action of multiple factors such as Slow post-crystallization of semi-crystalline resin causes dimensional changes.To solve this problem, it is necess...

Material Drying Deformation of the product after long-term storage (post-crystallization) extrusion '2079851475616104457 resin characteristics dimensional accuracy

Parison self-ignition during '2079851475616104457

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

Rainbow patterns on the product surface (stress birefringence)

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

Condensed water in the mold cavity

In summary, the causes of the "Condensed water in the mold cavity" problem can be attributed to the combined action of multiple factors such as Mold temperature below the ambient dew point temperature, Excessive workshop humidity.To solve this problem, it is necessary to start from aspects such a...

Material Drying Condensed water in the mold cavity extrusion '2079851475616104457 temperature control mold design

Abnormal die swell of the parison

In summary, the causes of the "Abnormal die swell of the parison" problem can be attributed to the combined action of multiple factors such as Excessive elastic recovery of the resin, Insufficient die length-to-diameter ratio.To solve this problem, it is necessary to start from aspects such as Ra...

Material Drying Abnormal die swell of the parison extrusion '2079851475616104457 temperature control resin characteristics die adjustment

Spiral marks on the inner wall of the product

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

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

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

Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss

This problem is a typical manifestation of Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss in melt spinning, and the core of the solution lies in the precise stability of spinning temperature, high-precision control of metering supply and...

Extrusion & Post Pre-crosslinking of color masterbatch in the online dyeing spinning flow channel causing spinnability loss

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Alle Themen 11636 Material Drying 1439 Injection Molding 1506 Molding Process 740 Molds & Tooling 1506 Processing Machinery 2025 Extrusion & Post 2239 Blow Molding 315 Thermoforming 141 Material Analysis 1343 Production & Quality 382

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