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문제 및 해결책

일반적인 플라스틱 재료 문제에 대한 실질적인 답변

11636 질문
Q
EAA product twisting deformation
A
Twisting deformation is caused by asymmetric cooling; symmetric cooling is key
Molds & Tooling EAAtwisting deformationsymmetric coolinggate arrangementannealing
Q
Low EAA flexural modulus
A
Low flexural modulus is caused by material softness and insufficient filler; adding rigid filler is key
Material Analysis EAAflexural modulusrigid fillernucleating agentcrystallinity
Q
EAA hydrolytic aging
A
Hydrolytic aging is caused by polar group sensitivity to water; selecting low polarity grade is key
Material Analysis EAAhydrolytic agingpolar groupsanti-hydrolysis stabilizerwaterproof coating
Q
Periodic EAA surface ripples
A
Ripples are caused by unstable injection; equipment overhaul and PID control are key
Injection Molding EAAsurface ripplesinjection stabilityequipment overhaulPID control
Q
Large EAA processing smoke
A
Large smoke is caused by volatile evaporation; lowering temperature and exhausting is key
Material Analysis EAAprocessing smokevolatilesexhaust systemtemperature reduction
Q
Poor EAA plasticization
A
Poor plasticization is caused by improper screw design; optimizing the screw and raising temperature is key
Processing Machinery EAApoor plasticizationscrew compression ratioshear rateprocessing temperature
Q
EAA internal inclusions
A
Inclusions are caused by raw material and environmental contamination; filtration and environmental control are key
Production & Quality EAAinclusionsraw material filtrationenvironmental cleanlinessrecycled material sorting
Q
EAA hardness too low
A
Low hardness is caused by material softness and excessive plasticization; adding filler is key
Molding Process EAAlow hardnessrigid fillerplasticizercrystallization control
Q
Insufficient EAA flatness
A
Insufficient flatness is caused by shrinkage difference and stress; uniform cooling and annealing are key
Molds & Tooling EAAflatnessshrinkage differenceuniform mold temperatureannealing treatment
Q
EAA internal unmelted particles
A
Unmelted particles are caused by insufficient plasticization; increasing temperature and reducing feeding is key
Processing Machinery EAAunmelted particlesplasticizing capacityprocessing temperaturescrew mixing
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