Processing Machinery
5 görüntüleme
ABS chemical resistance boundary
Sorun Belirtisi
[Problem phenomenon] ABS parts lose gloss, swell and crack after contacting chemicals
Neden Analizi
ABS resists general acids, alkalis and salts, but ketones, esters, aromatics and chlorinated hydrocarbons erode it; selection ignoring the medium boundary leads to failure; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Çözüm
Check against the medium list; reselect or verify for ketone, ester and aromatic occasions; immersion test at contact parts; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
ABS chemical resistance has boundaries, verify for ketone, ester and aromatic occasions; 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 subsequent similar problems
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