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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
1506 soru
Q
CEF product elliptical deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is the key
Molds & Tooling CEFelliptical deformationsymmetric ejectionuniform coolingsizing time
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Q
CEF product twist deformation
A
Twist deformation is caused by asymmetric cooling; symmetric cooling is the key
Molds & Tooling CEFtwist deformationsymmetric coolinggate arrangementannealing
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Q
CEF flatness insufficient
A
Insufficient flatness is caused by shrinkage differences and stress; uniform cooling and annealing are the key
Molds & Tooling CEFflatnessshrinkage differenceuniform mold temperatureannealing treatment
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Q
CEF internal shrinkage cavity
A
Shrinkage cavities are caused by thick wall shrinkage and insufficient holding pressure; extending the holding pressure is the key
Molds & Tooling CEFshrinkage cavitythick wallholding pressure timegate freezing
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Q
CEF fatigue resistance poor
A
Poor fatigue resistance is caused by insufficient recovery and fast crack propagation; increasing crosslinking is the key
Molds & Tooling CEFfatigue resistancecrosslinking degreemolecular weightstress concentration
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Q
CEF length out of tolerance
A
Length out of tolerance is caused by unstable shrinkage rate; accurate shrinkage compensation is the key
Molds & Tooling CEFlength out of toleranceshrinkage ratemold compensationsufficient cooling
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Q
CEF surface gloss poor
A
Poor gloss is caused by rough mold and crystallization scattering; polishing the mold and controlling crystallization are the key
Molds & Tooling CEFglossmold polishingcrystallization scatteringnucleating agent
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Q
Insufficient vent groove design affects product surface and filling
A
Venting requires reasonable vent groove setting and regular cleaning
Molds & Tooling mold ventingvent grooveburningsilver streaks
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Q
Large differences in weight and dimensions between cavities, unstable quality
A
Multi-cavity requires balanced runners and unified cavity conditions
Molds & Tooling multi-cavity balancerunner layoutgate unificationcellulose acetate butyrate
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Q
Mold temperature fluctuation causes product dimension and appearance fluctuation
A
The mold temperature system needs matched power and unobstructed pipelines
Molds & Tooling mold temperature controllermold temperature controlpipelinespower
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