Processing Machinery
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ABS low-temperature toughness application
Problem Phenomenon
[Problem phenomenon] Cold-region products need low-temperature impact-resistant materials
Cause Analysis
ABS low-temperature toughness is medium, cold-region applications need toughened grades or verification; low-temperature cracking starts at notches; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
Solution
Cold-region parts select toughened ABS with low-temperature verification; structural rounding; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
ABS low temperature requires toughening verification, rounding assists; 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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