Processing Machinery
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TPU product wear resistance not up to standard
Problem Phenomenon
The wear amount in the wear resistance test exceeds the standard.
Cause Analysis
Improper TPU grade selection; processing degradation also reduces wear resistance; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solution
①select wear-resistant grade TPU; ②control processing heat history; ③do comparative wear resistance tests; ④verify the relationship between hardness and wear resistance; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Wear resistance is a core performance of TPU; grade and process protection are equally important; 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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