Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Preform whitening (crystallization)

In summary, the causes of the "Preform whitening (crystallization)" problem can be attributed to the combined action of multiple factors such as Insufficient preform cooling speed causing crystallization, Mold temperature too high. Solving this problem requires starting from aspects such as Impro...

Blow Molding Preform whitening (crystallization) stretch '2079851475616104457 temperature control speed control cooling process

Uneven preform wall thickness

In summary, the causes of the "Uneven preform wall thickness" problem can be attributed to the combined action of multiple factors such as uneven gap between the core rod and the cavity and uneven injection pressure distribution. Solving this problem requires starting from aspects such as adjust ...

Blow Molding Uneven preform wall thickness stretch '2079851475616104457 pressure regulation wall thickness control

Preform eccentricity (uneven wall thickness)

In summary, the causes of the "Preform eccentricity (uneven wall thickness)" problem can be attributed to the combined action of multiple factors such as core rod of the injection mold eccentric and wear of the mold guide pins. Solving this problem requires starting from aspects such as correct t...

Blow Molding Preform eccentricity (uneven wall thickness) stretch '2079851475616104457 mold design wall thickness control

Preform injection short shot

In summary, the causes of the "Preform injection short shot" problem can be attributed to the combined action of multiple factors such as insufficient injection pressure and melt temperature low. Solving this problem requires starting from aspects such as increase the injection pressure and speed...

Blow Molding Preform injection short shot stretch '2079851475616104457 temperature control pressure regulation speed control

Material trapped at the product bottom (flash residue)

In summary, the causes of the "Material trapped at the product bottom (flash residue)" problem can be attributed to the combined action of multiple factors such as improper pinch-off design of the blow mold and parison flash not completely trimmed. Solving this problem requires starting from aspe...

Blow Molding Material trapped at the product bottom (flash residue) injection '2079851475616104457

Low production efficiency of multi-cavity mold

In summary, the causes of the "Low production efficiency of multi-cavity mold" problem can be attributed to the combined action of multiple factors such as unbalanced runners and different cooling conditions among the cavities. Solving this problem requires starting from aspects such as optimize ...

Blow Molding Low production efficiency of multi-cavity mold injection '2079851475616104457 cooling process

Release agent oil stains appearing on the product surface

In summary, the causes of the "Release agent oil stains appearing on the product surface" problem can be attributed to the combined action of multiple factors such as release agent sprayed too much or concentration too high. Solving this problem requires starting from aspects such as reduce the a...

Blow Molding Release agent oil stains appearing on the product surface injection '2079851475616104457 de'2079851475616104453 surface quality

Core rod bending and deformation

In summary, the causes of the "Core rod bending and deformation" problem can be attributed to the combined action of multiple factors such as core rod subjected to injection pressure for a long time and insufficient strength of the core rod material. Solving this problem requires starting from as...

Blow Molding Core rod bending and deformation injection '2079851475616104457 pressure regulation

Parison temperature too low during '2079851475616104457 causing failure to blow open

In summary, the causes of the "Parison temperature too low during '2079851475616104457 causing failure to blow open" problem can be attributed to the combined action of multiple factors such as transfer time too long and parison mold temperature too low. Solving this problem requires starting fro...

Blow Molding Parison temperature too low during '2079851475616104457 causing failure to blow open injection '2079851475616104457 temperature control mold design

Thin wall at the parison corner

In summary, the causes of the "Thin wall at the parison corner" problem can be attributed to the combined action of multiple factors such as gap at the corner of the core rod too large and large melt flow resistance at that location. Solving this problem requires starting from aspects such as opt...

Blow Molding Thin wall at the parison corner injection '2079851475616104457

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Todos os tópicos 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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