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Practical answers to common plastic material challenges

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Q

Stress cracking occurs in the product after long-term use

A

In summary, the causes of the "Stress cracking occurs in the product after long-term use" problem can be attributed to the combined action of multiple factors such as Long-term action of residual stress, Acceleration by environmental factors.To solve this problem, it is necessary to start from as...

Thermoforming Stress cracking occurs in the product after long-term use '2079851475616104458 stress control

Q

Electrostatic discharge between the sheet and the mold during forming

A

In summary, the causes of the "Electrostatic discharge between the sheet and the mold during forming" problem can be attributed to the combined action of multiple factors such as Static electricity generated by friction between the sheet and the mold, Dry environment.To solve this problem, it is ...

Material Drying Electrostatic discharge between the sheet and the mold during forming '2079851475616104458 mold design drying treatment anti-static

Q

Star-shaped cracks at the bottom of the product after deep drawing

A

In summary, the causes of the "Star-shaped cracks at the bottom of the product after deep drawing" problem can be attributed to the combined action of multiple factors such as Excessive stretching at the bottom center, Local defects in the sheet.To solve this problem, it is necessary to start fro...

Thermoforming Star-shaped cracks at the bottom of the product after deep drawing '2079851475616104458 stretch ratio

Q

Micro-bubbles on the sheet surface after heating

A

In summary, the causes of the "Micro-bubbles on the sheet surface after heating" problem can be attributed to the combined action of multiple factors such as Water or volatiles contained in the sheet, Sheet temperature too high causing decomposition.To solve this problem, it is necessary to start...

Material Drying Micro-bubbles on the sheet surface after heating '2079851475616104458 temperature control heating process surface quality

Q

Condensed water in the mold cavity causing sheet water stains

A

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

Material Drying Condensed water in the mold cavity causing sheet water stains '2079851475616104458 temperature control mold design

Q

Rainbow interference patterns on the product surface (stress birefringence)

A

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

Thermoforming Rainbow interference patterns on the product surface (stress birefringence) '2079851475616104458 surface quality stress control

Q

Local melting and dripping of the sheet during heating

A

In summary, the causes of the "Local melting and dripping of the sheet during heating" problem can be attributed to the combined action of multiple factors such as Excessive local heater power, Uneven sheet thickness causing overheating at thin areas.To solve this problem, it is necessary to star...

Thermoforming Local melting and dripping of the sheet during heating '2079851475616104458 heating process

Q

Interlayer separation within the product wall

A

In summary, the causes of the "Interlayer separation within the product wall" problem can be attributed to the combined action of multiple factors such as Insufficient interlayer adhesion, Mismatched forming temperatures.To solve this problem, it is necessary to start from aspects such as Check t...

Thermoforming Interlayer separation within the product wall '2079851475616104458 temperature control

Q

Thermal shrinkage warpage of the sheet during heating

A

In summary, the causes of the "Thermal shrinkage warpage of the sheet during heating" problem can be attributed to the combined action of multiple factors such as Large molecular orientation exists in the sheet from production, Heating temperature exceeds the orientation relaxation temperature.To...

Thermoforming Thermal shrinkage warpage of the sheet during heating '2079851475616104458 temperature control heating process anti-deformation

Q

Fatigue rupture of the bottle in pressure cycling test

A

In summary, the causes of the "Fatigue rupture of the bottle in pressure cycling test" problem can be attributed to the combined action of multiple factors such as Locally thin wall of the bottle, Non-uniform material orientation.To solve this problem, it is necessary to start from aspects such a...

Material Drying Fatigue rupture of the bottle in pressure cycling test stretch '2079851475616104457 pressure regulation material selection

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