Molds & Tooling
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PMMA Mold Temperature Controller Selection
Fenómeno do problema
The temperature of PMMA molds requiring 80℃ mold temperature fluctuates greatly
Análise das causas
Water-type temperature controllers lose temperature control accuracy in the high-temperature range, and mold temperature fluctuations affect optical quality; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry literature and should be confirmed first during troubleshooting
Solução
Use oil-type temperature controllers for mold temperatures above 80℃; temperature control accuracy ±1℃; regularly check heat exchange; after adjustment, take samples continuously 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
Conclusão principal
Optical molds with high mold temperature require oil-type temperature controllers; after confirming effectiveness, solidify 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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