Processing Machinery
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EVA product weather resistance verification
Problem Phenomenon
Outdoor application products do not reach the expected life.
Cause Analysis
The weather resistance of EVA depends on the anti-aging system; insufficient verification leads to selection errors.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
①Conduct xenon lamp aging tests; ②select anti-aging grades; ③verify according to the application life requirements; ④establish selection standards.; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Weather resistance verification should be moved forward to the material selection stage; test data is the basis for decision-making.; 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 in the future
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