Thermoforming
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ABS electroplating grade process
Problem Phenomenon
[Problem phenomenon] Electroplating grade ABS surface defects cause coating blistering and poor adhesion
Cause Analysis
Electroplating grade ABS has zero tolerance for surface and internal stress: silver streaks, flow marks and stress all cause coating failure; the process targets low stress and high surface quality and prohibits recycled material; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
Electroplating parts take mold temperature upper limit to reduce stress; stricter drying; prohibit recycled material; surface defects cleared to zero before electroplating; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
ABS electroplating parts prohibit recycled material, surface and stress cleared 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 subsequent similar problems
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