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Problem & Lösung

Praktische Antworten auf häufige Herausforderungen mit Kunststoffmaterialien

2239 Fragen
Q
Glass Fibre extruded film has gel particles
A
Gel particles are caused by insufficient melting; raising temperature and mixing are key
Extrusion & Post Glass Fibre filmgel particlesmelting temperaturemixing sectionhigh molecular weight component
Q
Glass Fibre extruded film longitudinal streaks
Q
Glass Fibre extruded profile bending deformation
A
Profile bending is caused by uneven cooling and uneven flow velocity; uniformization and alignment are the solution key
Extrusion & Post Glass Fibre extrusionbending deformationuniform coolinguniform flow velocitysizing sleeve
Q
Glass Fibre extrusion rough surface
A
Rough surface is caused by low-temperature extrusion and die defects; raising temperature and polishing die are core countermeasures
Extrusion & Post Glass Fibre extrusionrough surfacedie polishingextrusion temperaturemelt elasticity
Q
Glass Fibre extruder screw severe wear
A
Screw wear is caused by filler friction and adhesion; wear-resistant screw and temperature control are key
Extrusion & Post Glass Fibre extrusionscrew wearnitrided screwfiller frictionbimetallic screw
Q
Glass Fibre extrusion unstable dimensions
A
Extrusion dimensional stability depends on feeding accuracy, temperature control and haul-off synchronization
Extrusion & Post Glass Fibre extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
Q
Glass Fibre extruded pipe rough inner wall
A
Pipe inner wall roughness is caused by mandrel condition and insufficient cooling; polishing mandrel and internal cooling are key
Extrusion & Post Glass Fibre pipeinner wall roughnessmandrel polishinginternal coolingmelt elasticity
Q
Glass Fibre film blocking, difficult to separate layers
Q
Glass Fibre extrusion unstable feeding
A
Unstable feeding is caused by pellet characteristics; loss-in-weight feeding and anti-bridging are the core
Extrusion & Post Glass Fibre feedingbridgingloss-in-weight feedergranulationfeed screw
Q
Glass Fibre extruded film poor thickness uniformity
A
Film thickness uniformity needs coordinated optimization from three aspects: die design, gap adjustment and cooling
Extrusion & Post Glass Fibre filmthickness uniformitydie designextrusion swellair ring cooling
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