Processing Machinery
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PC/ABS chemical resistance
Problem Phenomenon
Cracking after contact with chemicals.
Cause Analysis
The chemical resistance of the PC component is limited; stress and media act together.; during on-site troubleshooting, verify item by item according to this mechanism, 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
①Evaluate media compatibility; ②reduce internal stress; ③select chemical-resistant grade; ④do immersion test.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Chemical-resistant applications need verification; material selection and stress are both important.; 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 later
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