Extrusion & Post
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PPO Electroplating Decorative Application
Problem Phenomenon
[Problem Phenomenon] Heat-resistant decorative parts requiring a metallic appearance; ABS electroplating has insufficient heat resistance
Cause Analysis
PPO can be electroplated and vacuum-coated to obtain a metallic appearance with heat resistance superior to electroplated ABS; combined with printing and machining to achieve diverse surfaces; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solution
Use the PPO electroplating solution for heat-resistant decorative parts; anneal before plating to ensure adhesion; verify the coating according to thermal cycling; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
PPO electroplated parts have a solid heat-resistant foundation, taking care of both decoration and heat resistance; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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