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Cooling water leakage inside the preform core rod

In summary, the causes of the "Cooling water leakage inside the preform core rod" problem can be attributed to the combined action of multiple factors such as Aging of the core rod sealing ring, Cracks at the weld of the cooling pipe.To solve this problem, it is necessary to start from aspects su...

Blow Molding Cooling water leakage inside the preform core rod stretch '2079851475616104457 cooling process

Sharp drop of bottle impact strength in low-temperature environments

In summary, the causes of the "Sharp drop of bottle impact strength in low-temperature environments" problem can be attributed to the combined action of multiple factors such as PET low-temperature toughness decreases, Inappropriate orientation degree.To solve this problem, it is necessary to sta...

Blow Molding Sharp drop of bottle impact strength in low-temperature environments stretch '2079851475616104457

Star-shaped cracks at the center of the bottle bottom

In summary, the causes of the "Star-shaped cracks at the center of the bottle bottom" problem can be attributed to the combined action of multiple factors such as Residual stress at the preform gate, The stretch rod impacts the bottom.To solve this problem, it is necessary to start from aspects s...

Blow Molding Star-shaped cracks at the center of the bottle bottom stretch '2079851475616104457 stretch ratio stress control

High-pressure blow valve leakage of the stretch '2079851475616104457 machine

In summary, the causes of the "High-pressure blow valve leakage of the stretch '2079851475616104457 machine" problem can be attributed to the combined action of multiple factors such as Valve seal wear, Valve core damage.To solve this problem, it is necessary to start from aspects such as Replace...

Blow Molding High-pressure blow valve leakage of the stretch '2079851475616104457 machine stretch '2079851475616104457 blowing parameters stretch ratio

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

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