Processing Machinery
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TPU Wear Resistance Decline
Problem Phenomenon
The wear resistance of TPU products is lower than expected
Cause Analysis
Material degradation or hardness deviation reduces wear resistance; when troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Solution
Check degradation factors; confirm hardness; select high wear-resistant grades; 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
For wear resistance decline, check degradation and grade; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems later
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