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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

11636 Fragen
Q
CEF injection molded part has oil spots
Q
CEF injection weld line strength low
Q
CEF injection flow length ratio insufficient
A
Q
CEF extrusion film longitudinal streaks
Q
CEF film blocking and difficult delamination
Q
CEF extrusion profile bending deformation
A
Profile bending is caused by uneven cooling and uneven flow velocity; homogenization and alignment are the key to solving it
Extrusion & Post CEF extrusionbending deformationuniform coolinguniform flow velocitysizing sleeve
Q
CEF injection flash severe
A
Q
CEF extrusion film thickness uniformity poor
A
Q
CEF film thermal shrinkage rate too large
A
Film thermal shrinkage is caused by orientation freezing; reducing the draw ratio and annealing treatment are the key
Extrusion & Post CEF filmthermal shrinkageorientation releaseannealing treatmentbiaxial stretching
Q
CEF extrusion dimensional instability
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post CEF extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
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