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Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

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Cold crystallization of the preform during storage

In summary, the causes of the "Cold crystallization of the preform during storage" problem can be attributed to the combined action of multiple factors such as PET undergoes cold crystallization when staying in the 80-120°C range for a long time.To solve this problem, it is necessary to start fro...

Blow Molding Cold crystallization of the preform during storage stretch '2079851475616104457

Abnormal temperature control of the heat-setting mold

In summary, the causes of the "Abnormal temperature control of the heat-setting mold" problem can be attributed to the combined action of multiple factors such as Heat-setting mold heating system failure, Temperature control sensor failure.To solve this problem, it is necessary to start from aspe...

Blow Molding Abnormal temperature control of the heat-setting mold stretch '2079851475616104457 temperature control mold design heating process

Yellowing and embrittlement of the bottle after ultraviolet irradiation

In summary, the causes of the "Yellowing and embrittlement of the bottle after ultraviolet irradiation" problem can be attributed to the combined action of multiple factors such as Poor PET UV resistance, No light stabilizer added.To solve this problem, it is necessary to start from aspects such ...

Blow Molding Yellowing and embrittlement of the bottle after ultraviolet irradiation stretch '2079851475616104457

Regular ripples on the preform surface (injection elastic instability)

In summary, the causes of the "Regular ripples on the preform surface (injection elastic instability)" problem can be attributed to the combined action of multiple factors such as High-speed injection triggering elastic unstable melt flow.To solve this problem, it is necessary to start from aspec...

Blow Molding Regular ripples on the preform surface (injection elastic instability) stretch '2079851475616104457 surface quality

Abnormal birefringence pattern of the bottle under polarized light

In summary, the causes of the "Abnormal birefringence pattern of the bottle under polarized light" problem can be attributed to the combined action of multiple factors such as Uneven stretching, Abnormal residual stress distribution.To solve this problem, it is necessary to start from aspects suc...

Blow Molding Abnormal birefringence pattern of the bottle under polarized light stretch '2079851475616104457 stretch ratio stress control

Crack propagation at the preform gate

In summary, the causes of the "Crack propagation at the preform gate" problem can be attributed to the combined action of multiple factors such as Large residual stress at the gate, Unreasonable gate design.To solve this problem, it is necessary to start from aspects such as Optimize gate design,...

Blow Molding Crack propagation at the preform gate stretch '2079851475616104457 stress control

Interlayer separation within the bottle wall

In summary, the causes of the "Interlayer separation within the bottle wall" problem can be attributed to the combined action of multiple factors such as Excessive temperature difference between the inside and outside of the preform, Uneven stretching speed.To solve this problem, it is necessary ...

Blow Molding Interlayer separation within the bottle wall stretch '2079851475616104457 speed control stretch ratio

Bending deformation of the stretch rod

In summary, the causes of the "Bending deformation of the stretch rod" problem can be attributed to the combined action of multiple factors such as The stretch rod bears eccentric force, Insufficient material strength.To solve this problem, it is necessary to start from aspects such as Select hig...

Material Drying Bending deformation of the stretch rod stretch '2079851475616104457 material selection stretch ratio

Preform self-ignition in the heating oven

In summary, the causes of the "Preform self-ignition in the heating oven" problem can be attributed to the combined action of multiple factors such as Heating oven temperature far exceeds the PET decomposition temperature, Lamp power out of control.To solve this problem, it is necessary to start ...

Blow Molding Preform self-ignition in the heating oven stretch '2079851475616104457 temperature control heating process

Poor interlayer adhesion in multi-layer injection '2079851475616104457

In summary, the causes of the "Poor interlayer adhesion in multi-layer injection '2079851475616104457" problem can be attributed to the combined action of multiple factors such as Large temperature differences between layers, Mismatched adhesive layer material or insufficient thickness.To solve t...

Material Drying Poor interlayer adhesion in multi-layer injection '2079851475616104457 injection '2079851475616104457 temperature control material selection

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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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