Processing Machinery
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PCABS Surface Hardness Scratches
Problem Phenomenon
[Problem Phenomenon] PC/ABS product surfaces are scratched, downgrading the appearance
Cause Analysis
Surface hardness is medium; scratches during handling; more obvious on high-gloss parts; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Protection during handling; surface film; high-hardness grades or coatings; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
PC/ABS is prone to scratches; protect with film and hard coatings; 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 in the future
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