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11636 soru
Q
Melt Fracture in PU Extrusion
Q
Difficult Demolding in PU '2079851475616104452
A
Demolding difficulty is caused by adhesion and insufficient mold design; increasing draft angle is the fundamental measure
Injection Molding PU injectiondemolding difficultydraft angleadhesionejection design
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Q
Bubbles in PU Injection Molded Thick-Walled Products
A
Thick-wall bubbles are caused by a combination of insufficient holding, moisture and poor venting
Material Drying PU injectionbubbleholding pressurethick-walled productmold venting
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Q
EVOH Product Elliptical Deformation
A
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key
Molds & Tooling EVOHelliptical deformationsymmetric ejectionuniform coolingsetting time
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Q
EVOH Surface Snakeskin Pattern
A
Snakeskin pattern is caused by low-temperature extrusion and elastic recovery; raising temperature and reducing speed are key
Extrusion & Post EVOHsnakeskin patternextrusion temperatureelastic recoverydie temperature control
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Q
EVOH Internal Delamination Cracking
A
Internal delamination is caused by poor interface and shrinkage differences; compatibilizer and uniform cooling are key
Extrusion & Post EVOHinternal delaminationinterfacial adhesioncompatibilizeruniform cooling
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Q
EVOH Product Twist Deformation
A
Twist deformation is caused by asymmetric cooling; symmetric cooling is key
Molds & Tooling EVOHtwist deformationsymmetric coolinggate arrangementannealing
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Q
Carbonized Black Specks Inside EVOH
A
Black specks are caused by thermal carbonization and carbon deposit; cooling and regular cleaning are key
Processing Machinery EVOHinternal black speckthermal carbonizationscrew cleaningtemperature control
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Q
EVOH Flexural Modulus Too Low
A
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
Material Analysis EVOHflexural modulusrigid fillernucleating agentcrystallinity
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Q
Periodic EVOH Surface Ripples
A
Ripples are caused by unstable injection; equipment overhaul and PID control are key
Injection Molding EVOHsurface rippleinjection stabilityequipment overhaulPID control
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Kategoriler

Tüm Konular 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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