Molds & Tooling
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PVC Mold Temperature Effect on Gloss
Problem Phenomenon
The surface gloss of PVC products is unstable
Cause Analysis
Mold temperature fluctuation affects the surface replication state; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
Solution
Lock the mold temperature constant within 30-50°C; regularly check water circuits; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
Key Takeaway
Surface gloss is guaranteed by stable mold temperature; 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 in the future
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