Processing Machinery
6 görüntüleme
TPE Shear Heat
Sorun Belirtisi
After increasing screw speed, TPE products become brittle and discolored
Neden Analizi
TPE is shear sensitive; shear heat at high speed causes local overheating and degradation; 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
Çözüm
Screw speed at medium-low; back pressure 0.2-0.5MPa; measure the actual melt temperature; 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
TPE shear management prevents invisible overheating; 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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