Processing Machinery
5 görüntüleme
TPU Melt Temperature Range
Sorun Belirtisi
TPU melt temperature set to 230°C, the product yellows and mechanical performance declines
Neden Analizi
Above 220°C TPU thermal degradation accelerates, polyurethane chains break, and color and performance deteriorate; when troubleshooting on site, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Çözüm
Melt temperature controlled at 180-220°C; soft material takes the lower limit; overheated material is purged; 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
Temel Çıkarım
TPU melt upper limit is 220°C, overheating causes degradation; after confirming effectiveness, solidify 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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