Processing Machinery
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TPE Melt Temperature Range
Fenómeno do problema
TPE melt temperature set to 230℃, products yellow and elasticity decreases
Análise das causas
TPE thermal degradation accelerates above 220℃, destroying elastomer segments; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry information and should be confirmed first during troubleshooting
Solução
Control melt temperature at 180-220℃; soft material takes the lower limit; purge overheated material; 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
Conclusão principal
TPE melt upper limit is 220℃; 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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