Molds & Tooling
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PMMA Mold Temperature Controller Failure Haze
Problem Phenomenon
Products suddenly show haze and gloss loss during production; inspection finds mold temperature controller failure with abnormal water temperature.
Cause Analysis
Loss of mold temperature control changes product surface replication and cooling state; mold temperature fluctuations after a failure shutdown are directly reflected in surface quality.; During on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based on experience alone.
Solution
①Repair the mold temperature controller and verify temperature control; ②set mold temperature alarms; ③isolate and evaluate products from the failure period; ④regularly maintain temperature control equipment.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Key Takeaway
For sudden surface quality changes, check the temperature control system first; alarm and inspection systems can reduce losses from mold temperature abnormalities.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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