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Problema e solução

Respostas práticas para os desafios comuns dos materiais plásticos

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1506 perguntas
Q
DSTDP surface tiger stripes
A
Tiger stripes are caused by unstable injection front; multi-stage injection and high mold temperature are key
Injection Molding DSTDPtiger stripesinjection speedmulti-stage injectionmold temperature control
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Q
DSTDP obvious surface color difference
A
Color difference is caused by uneven dispersion and orientation; masterbatch method and stable processing are key
Injection Molding DSTDPcolor differencecolor masterbatch dispersionpigment orientationtemperature stability
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Q
DSTDP surface orange peel texture
A
Orange peel texture is caused by rapid cooling and solidification; raising mold temperature and holding pressure are key
Injection Molding DSTDPorange peel texturemold temperatureholding pressuresurface solidification
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Q
DSTDP severe internal stress concentration
A
Internal stress is caused by fast injection and uneven cooling; reducing speed, uniform cooling and annealing are key
Injection Molding DSTDPinternal stressorientation stressannealing treatmentuniform cooling
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Q
DSTDP injection cold slug marks
A
Cold slug marks are caused by solidified residual material in the nozzle; raising nozzle temperature and cold slug well design are key
Injection Molding DSTDP injectioncold slug marksnozzle temperaturecold slug wellinjection pressure
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Q
DSTDP injection flow marks
A
Flow marks are caused by unstable injection front and rapid cooling; multi-stage injection and high mold temperature are key
Injection Molding DSTDP injectionflow marksinjection speedmold temperaturegate area
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Q
DSTDP injection sink marks
A
Q
DSTDP injection multi-cavity unbalanced filling
A
Multi-cavity unbalanced filling is caused by runner design; balanced runner and mold flow analysis are key
Injection Molding DSTDP injectionmulti-cavity balancerunner designgate sizemold flow analysis
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Q
DSTDP injection molded product ejector whitening
A
Ejector whitening is caused by excessive ejection force and insufficient cooling; increasing ejector pin area and extending cooling time are key
Injection Molding DSTDP injectionejector whiteningejector pin areacooling timedemolding draft
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Q
DSTDP injection weld line low strength
A
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