Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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Poor PVA surface gloss

Molds & Tooling PVAglossmold polishingcrystallization scatteringnucleating agent

Elliptical deformation of PU products

Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key

Molds & Tooling PU elliptical deformation symmetric ejection uniform cooling setting time

Twisting deformation of PU products

Twisting deformation is caused by asymmetric cooling; symmetric cooling is key

Molds & Tooling PU twisting deformation symmetric cooling gate arrangement annealing

Insufficient roundness of PU

Insufficient roundness is caused by uneven cooling; annular cooling is key

Molds & Tooling PU insufficient roundness uniform cooling gate symmetry demolding force

Non-uniform internal density of PU

Non-uniform density is caused by uneven holding pressure; optimizing gate design is key

Molds & Tooling PU non-uniform density holding pressure transmission gate design crystallization difference

Insufficient flatness of PU

Molds & Tooling PU flatness shrinkage difference uniform mold temperature annealing treatment

Internal shrinkage voids of PU

Molds & Tooling PU shrinkage void thick wall holding time gate freezing

PU angle deviation

Molds & Tooling PU angle deviation shrinkage compensation mold design full cooling

Poor fatigue resistance of PU

Molds & Tooling PU fatigue resistance crosslinking degree molecular weight stress concentration

PU length out of tolerance

Molds & Tooling PU length out of tolerance shrinkage mold compensation full cooling

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