Extrusion & Post
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PCABS plating grade process
Fenómeno do problema
【Problem Phenomenon】Electroplating grade PC/ABS surface defects cause poor coating adhesion
Análise das causas
Electroplating grades have extremely high surface quality requirements: internal stress, silver streaks, and flow marks all cause coating defects; the process must target low stress and high surface quality; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solução
For plating parts, take the upper limit of mold temperature to reduce stress; ensure drying to prevent silver streaks; zero tolerance for surface defects before electroplating; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
PC/ABS plating part process serves the surface, stress and silver streaks are cleared to zero first; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems later
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