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Yaygın plastik malzeme zorluklarına pratik yanıtlar

Makalelere Göz At →
11636 soru
Q
Low Weld Line Strength in PU '2079851475616104452
A
Low weld line strength is caused by insufficient molecular entanglement; high-temperature high-speed injection and overflow well are effective countermeasures
Injection Molding PU injectionweld lineinsufficient entanglementinjection temperatureoverflow well
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Q
Material Sticking to Sizing Sleeve in PU Pipe Extrusion
A
Sizing sleeve sticking is caused by elastomer adhesion characteristics; polishing and lubricating water are key
Extrusion & Post PU pipesizing sleeve stickingpolishinglubricating waterelastomer adhesion
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Q
Rough Inner Wall of PU Extruded Pipe
A
Pipe inner wall roughness is caused by mandrel condition and insufficient cooling; polishing the mandrel and internal cooling are key
Extrusion & Post PU pipeinner wall roughnessmandrel polishinginternal coolingmelt elasticity
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Q
PU Film Blocking, Difficult Delayering
Q
Longitudinal Stripes on PU Extruded Film
A
Longitudinal stripes are caused by die defects and pressure fluctuation; die maintenance and pressure stabilization are key
Extrusion & Post PU filmlongitudinal stripedie gapmelt pressurelip flatness
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Q
Bending Deformation of PU Extruded Profiles
A
Profile bending is caused by uneven cooling and uneven flow velocity; homogenization and alignment are the solution keys
Extrusion & Post PU extrusionbending deformationuniform coolinguniform flow velocitysizing sleeve
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Q
Severe Flash in PU '2079851475616104452
A
Flash is caused by high-pressure injection and mold gap; reducing pressure and improving mold mating are key
Injection Molding PU injectionflashclamping forceparting lineinjection pressure
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Q
Excessive Heat Shrinkage of PU Film
A
Film heat shrinkage is caused by orientation freezing; reducing draw ratio and annealing are key
Extrusion & Post PU filmheat shrinkageorientation releaseannealingbiaxial stretching
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Q
Poor Thickness Uniformity of PU Extruded Film
A
Film thickness uniformity requires coordinated optimization from three aspects: die design, gap adjustment and cooling
Extrusion & Post PU filmthickness uniformitydie designextrusion swellair ring cooling
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Q
Unstable Dimensions in PU Extrusion
A
Extrusion dimensional stability depends on feeding precision, temperature control and haul-off synchronization
Extrusion & Post PU extrusiondimensional stabilityfeeding controltemperature PIDhaul-off synchronization
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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
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