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11636 soru
Q
Extremely low strength at the weld line
A
PEEK weld lines are the main weak link in the product structure
Molding Process weld linemolecular diffusionmold temperaturesequential valveentanglement
3 görüntüleme
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Q
PEEK pellets rapidly regain moisture after drying
A
PEEK's sensitivity to moisture requires moisture protection throughout the process
Material Drying moisture regainhygroscopicitydrying hoppersealed storageworkshop dehumidification
3 görüntüleme
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Q
Screw and barrel high-temperature corrosion
A
PEEK high-temperature corrosion places extremely strict requirements on equipment materials
Processing Machinery corrosionscrewbarrelHastelloyInconelcoating
3 görüntüleme
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Q
Ordinary '2079851475616104452 machines cannot meet PEEK processing requirements
A
PEEK processing must use dedicated high-temperature '2079851475616104452 equipment
Injection Molding 2079851475616104452 machineheating systemceramic heatingscrew L/Dhigh-temperature '2079851475616104452
6 görüntüleme
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Q
Product shrinkage rate high and fluctuating
A
PEEK shrinkage rate is highly sensitive to mold temperature and cooling rate
Molds & Tooling shrinkage ratecrystallinity differencemold temperatureholding pressure curvecooling time
3 görüntüleme
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Q
Insufficient melt flowability, mold filling difficulty
A
PEEK's high melting point determines that extremely high processing temperature and pressure are required to ensure flowability
Material Drying flowabilityprocessing temperaturemelt viscositymolecular weightPEEK grade
3 görüntüleme
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Q
Product incomplete crystallization, poor performance
A
PEEK crystallinity needs to reach more than 30% to fully reflect its high performance
Molds & Tooling crystallinitymold temperatureamorphouspost-crystallizationoil temperature control180°C
3 görüntüleme
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Q
Product bubbles/internal pores
A
Trace moisture at PEEK's extremely high processing temperature (>360°C) can produce a large number of bubbles
Material Drying bubblesdryingmoisture contentdew pointholding pressure
3 görüntüleme
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Q
Product black spots/burnt spots
A
Once PEEK thermal degradation occurs, it is irreversible and causes permanent damage to the product
Processing Machinery black spotsdegradationtemperature controlPIDresidence timecarbonization
3 görüntüleme
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Q
PAN processing comprehensive problem - solvent recovery
A
The processing quality management of PAN materials requires comprehensive attention to multiple dimensions such as solvent recovery
Processing Machinery PANsolvent recoveryprocessing qualityprocess optimizationequipment management
3 görüntüleme
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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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