Processing Machinery
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PC Surface Hardness and Scratches
Problem Phenomenon
[Problem Phenomenon] PC product surface scratches
Cause Analysis
PC surface hardness is medium and easily scratched; more obvious on high-gloss transparent parts; when troubleshooting on site, verify each item according to this mechanism one by one, and avoid blindly adjusting the machine based on experience alone; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Protection during transfer; surface hardening coating; high-hardness grades; 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 fears scratches; protection plus hard coating; 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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