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المشاكل والحلول

إجابات عملية على التحديات الشائعة في مواد البلاستيك

11636 سؤال
Q
CEF extrusion film has gel spots
A
CEF gel spots are caused by residual crosslinking; raw material control and filtration are the key
Extrusion & Post CEF filmgel spotcrosslinking residuescreenprocessing temperature
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
Q
CEF internal delamination cracking
Q
CEF surface snakeskin texture
A
Q
CEF internal black speck carbonization
A
Black specks are caused by thermal carbonization and carbon deposits; reducing temperature and regular cleaning are the key
Processing Machinery CEFinternal black speckthermal carbonizationscrew cleaningtemperature control
Q
CEF product twist deformation
A
Twist deformation is caused by asymmetric cooling; symmetric cooling is the key
Molds & Tooling CEFtwist deformationsymmetric coolinggate arrangementannealing
Q
CEF flexural modulus low
Q
CEF hydrolysis aging
A
Hydrolysis aging is caused by the sensitivity of polar groups to water; selecting low-polarity grades is the key
Material Drying CEFhydrolysis agingpolar groupanti-hydrolysis stabilizerwaterproof coating
Q
CEF surface corrugation periodic
A
Corrugations are caused by unstable injection; equipment overhaul and PID control are the key
Injection Molding CEFsurface corrugationinjection stabilityequipment overhaulPID control
Q
CEF processing smoke large
A
Large smoke is caused by the evaporation of volatiles; reducing temperature and exhausting are the key
Material Analysis CEFprocessing smokevolatilesexhaust systemtemperature reduction
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