Processing Machinery
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ASA Low-Temperature Embrittlement
Problembeschreibung
【Problem Phenomenon】ASA products toughness decreases in low-temperature environment, impact cracking
Ursachenanalyse
ASA low-temperature toughness is better than most styrenics but still decreases with temperature; notches and stress concentration points crack first at low temperature; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based only on experience
Lösung
Low-temperature applications do low-temperature impact verification; structure rounded; toughened grades cover severe cold scenarios; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Wichtigste Erkenntnis
ASA low-temperature toughness has limits, severe cold parts verify and toughen; 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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