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
PVA angle deviation
A
Angle deviation is caused by shrinkage and insufficient design compensation; pre-compensation is the key
Molds & Tooling PVAangle deviationshrinkage compensationmold designfull cooling
16 görüntüleme
Tam Yanıtı Oku →
Q
Obvious PVA surface color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are the key
Injection Molding PVAcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
15 görüntüleme
Tam Yanıtı Oku →
Q
PVA length out of tolerance
A
Length out of tolerance is caused by unstable shrinkage rate; precise shrinkage compensation is the key
Molds & Tooling PVAlength out of toleranceshrinkage ratemold compensationfull cooling
16 görüntüleme
Tam Yanıtı Oku →
Q
PVA surface orange peel pattern
A
Orange peel pattern is caused by rapid cooling and solidification; raising mold temperature and holding pressure are the key
Injection Molding PVAorange peel patternmold temperatureholding pressuresurface solidification
15 görüntüleme
Tam Yanıtı Oku →
Q
PVA vacuum vent section material overflow
A
Overflow is caused by low melt viscosity; temperature reduction and baffle are the key
Extrusion & Post PVAvacuum vent overflowmelt viscositytemperature reductionvent baffle
15 görüntüleme
Tam Yanıtı Oku →
Q
Severe PVA internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; speed reduction, uniform cooling and annealing are the key
Injection Molding PVAinternal stressorientation stressannealing treatmentuniform cooling
15 görüntüleme
Tam Yanıtı Oku →
Q
Dense PVA surface pockmarks
A
Pockmarks are caused by raw material impurities and mold damage; pure raw material and mold maintenance are the key
Extrusion & Post PVAsurface pockmarkimpurity particlesmold repairraw material purity
15 görüntüleme
Tam Yanıtı Oku →
Q
PVA stress cracking
A
Stress cracking is caused by stress-accelerated chemical attack; annealing and high MW are the key
Production & Quality PVAstress crackingenvironmental stressannealing treatmenthigh molecular weight
16 görüntüleme
Tam Yanıtı Oku →
Q
PVA surface microcracks
A
Microcracks are caused by excessive internal stress; annealing and crack-resistant design are the key
Production & Quality PVAmicrocrackinternal stressannealing treatmentstress concentration design
16 görüntüleme
Tam Yanıtı Oku →
Q
Poor PVA surface gloss
A
Poor gloss is caused by mold roughness and crystallization scattering; polishing the mold and controlling crystallization are the key
Molds & Tooling PVAglossmold polishingcrystallization scatteringnucleating agent
16 görüntüleme
Tam Yanıtı Oku →
Önceki 1 ... 490 491 492 493 494 495 496 ... 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