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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
2239 soru
Q
CEF size changes greatly with temperature
A
Dimensional temperature sensitivity is caused by the large thermal expansion coefficient; adding fillers and annealing are the key
Extrusion & Post CEFdimensional temperature sensitivitythermal expansion coefficientrigid fillerannealing treatment
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Q
CEF vacuum section material spitting
A
Material spitting is caused by low melt viscosity; reducing temperature and adding a baffle are the key
Extrusion & Post CEFvacuum section material spittingmelt viscositytemperature reductionvent baffle
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Q
CEF surface dense pockmarks
A
Pockmarks are caused by raw material impurities and mold damage; pure raw materials and mold maintenance are the key
Extrusion & Post CEFsurface pockmarkimpurity particlesmold repairraw material purity
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Q
CEF extrusion pipe ovality exceeds the standard
A
Ovality is caused by uneven cooling and clamping; annular cooling and uniform haul-off are the key
Extrusion & Post CEF pipeovalityannular coolingvacuum sizinguniform haul-off
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Q
CEF extrusion film has gel particles
A
Gel particles are caused by insufficient melting; increasing the temperature and mixing are the key
Extrusion & Post CEF filmgel particlemelting temperaturemixing sectionhigh-molecular-weight component
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Q
CEF extrusion film has transverse corrugations
A
Transverse corrugations are caused by haul-off vibration and roller eccentricity; equipment overhaul and stable control are the key
Extrusion & Post CEF filmtransverse corrugationhaul-off vibrationcooling roller eccentricitypressure stabilizing device
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Q
CEF extrusion screen frequent clogging
A
Screen clogging is caused by impurities and improper configuration; raw material control and stepped screens are the key
Extrusion & Post CEF extrusionscreen clogginggel particlestepped screenautomatic screen change
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Q
CEF extrusion film winding wrinkling
A
Film wrinkling is caused by tension fluctuations and uneven thickness; automatic tension control and homogenization are the key
Extrusion & Post CEF filmwinding wrinklingtension controlthickness uniformityguide roller parallelism
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Q
CEF extrusion feeding unstable
A
Unstable feeding is caused by particle characteristics; loss-in-weight feeding and anti-bridging are the core
Extrusion & Post CEF feedingbridgingloss-in-weight feedergranulationfeeding screw
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Q
CEF film printing adhesion poor
A
Poor printing adhesion is caused by insufficient surface polarity; corona treatment and special ink are the key
Extrusion & Post CEF filmprinting adhesioncorona treatmentspecial inksurface tension
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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
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