Menü
Malzemeler Makineler
İçgörüler
Makaleler Videolar Sorun ve Çözüm
About
Chembull Hakkında Medya Ortakları
Bize Ulaşın
Dil
EnglishالعربيةPortuguêsEspañolDeutschTürkçe한국어

Sorun ve Çözüm

Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
11636 soru
Q
EVOH injection flash is severe
A
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold fit are key
Injection Molding EVOH injection flash clamping force parting line injection pressure
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH film blocking and delamination difficulty
Q
EVOH extruded film thickness uniformity is poor
A
Film thickness uniformity requires coordinated optimization from die design, gap adjustment, and cooling
Extrusion & Post EVOH film thickness uniformity die design extrusion swell air ring cooling
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH extrusion dimensions are unstable
A
Extrusion dimensional stability depends on feeding accuracy, temperature control, and traction synchronization
Extrusion & Post EVOH extrusion dimensional stability feeding control temperature PID traction synchronization
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH film heat shrinkage rate is too large
A
Film heat shrinkage is caused by orientation freezing; reducing draw ratio and annealing treatment are key
Extrusion & Post EVOH film heat shrinkage orientation release annealing treatment biaxial stretching
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH injection warpage deformation
A
Warpage is caused by shrinkage differences and orientation stress; uniform mold temperature and holding pressure are key
Injection Molding EVOH injection warpage shrinkage rate holding pressure annealing treatment
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH injection gate freezes too early
A
Premature gate freezing is caused by small gate and low temperature; enlarging the gate and increasing temperature are fundamental measures
Injection Molding EVOH injection gate freezing holding pressure transmission gate size mold temperature
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH injection mold venting burnt
A
Burning is caused by insufficient venting and high-speed injection compressing air; increasing venting and reducing speed are key
Injection Molding EVOH injection mold burning vent groove injection speed air compression
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH extrusion die drool carbon deposits
A
Die carbon deposits are caused by thermal oxidation and untimely cleaning; PE flushing and timely cleaning are key
Extrusion & Post EVOH extrusion die carbon deposit PE flushing stagnation zone thermal oxidation
15 görüntüleme
Tam Yanıtı Oku →
Q
EVOH barrier property decreases after moisture absorption
A
EVOH moisture absorption causing a sharp drop in barrier property is its inherent characteristic, requiring sandwich structure protection
Material Drying EVOH moisture absorption barrier property decrease OTR sandwich structure humidity protection
16 görüntüleme
Tam Yanıtı Oku →
Önceki 1 ... 514 515 516 517 518 519 520 ... 1164 Sonraki

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
ChemAI