Molds & Tooling
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TPE Product Surface Pits
Problem Phenomenon
Fine pits appear on the surface.
Cause Analysis
Mold surface condition or contamination; impurities in the material are also replicated to the surface.; 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
①Clean and maintain the mold surface; ②check material cleanliness; ③polish the cavity; ④filter impurities.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Key Takeaway
Check both mold and material for pits; cleaning is the common countermeasure.; 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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