Molds & Tooling
5 görüntüleme
TPU Flash
Sorun Belirtisi
Flash at the parting line of TPU products
Neden Analizi
TPU melt has low viscosity and is prone to overflow, and flash occurs as soon as clamping is insufficient; when troubleshooting on site, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Çözüm
Clamping force calculation; parting line fitting; injection pressure staging; 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
For TPU flash, check clamping and pressure; after confirming effectiveness, fix 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 later
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