Processing Machinery
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TPE Product Hardness Deviation
Problem Phenomenon
Product hardness deviates from the target.
Cause Analysis
Material batch differences or mixing; temperature affects TPE apparent hardness.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
①Test incoming material hardness; ②prevent mixing; ③stabilize process temperature; ④test by batch.; 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 hardness abnormality, check the material first; batch management is the foundation.; 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 subsequent similar problems
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