Production & Quality
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PCABS and ABS Upgrade Path
Problem Phenomenon
[Problem Phenomenon] ABS parts have insufficient heat resistance (failing at about 80°C), and an upgrade is being evaluated
Cause Analysis
ABS thermally fails at about 80°C; the upgrade path: heat-resistant ABS (+15°C) → PC/ABS (+30°C) → pure PC (+50°C); the cost increases at each step but reliability improves
Solution
Select the upgrade level according to the working temperature; PC/ABS is the mainstream choice for upgrading ABS by 30°C; verify long-term thermal aging; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Key Takeaway
If ABS heat resistance is not enough, upgrade to PC/ABS; +30°C is the sweet spot; 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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