Processing Machinery
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PC/ABS heat resistance deformation
Problem Phenomenon
Deformation in high-temperature environment.
Cause Analysis
Service temperature exceeds the heat deflection temperature of the material; internal stress reduces actual heat resistance.; 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
①Select heat-resistant grade; ②reduce internal stress; ③evaluate service temperature; ④heat deflection test.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Heat resistance management relies on material selection and stress control.; 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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