Extrusion & Post
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PC Printing and Painting
Problem Phenomenon
[Problem Phenomenon] PC products require printing and painting decoration
Cause Analysis
PC surfaces can be printed and painted with relatively good adhesion; it is ready after cleaning to remove mold release agent; IMD/IML processes are mature; when troubleshooting on site, verify each item according to this mechanism one by one, and avoid blindly adjusting the machine based on experience alone
Solution
Clean before printing and painting; select matching processes for IMD; adhesion testing; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes, so as to locate effective measures
Key Takeaway
PC printing and painting have good adhesion; IMD is mature; 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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