Extrusion & Post
13 مشاهدة
TPU Extrusion Waves
ظاهرة المشكلة
Wavy lines on TPU extrusion surface
تحليل الأسباب
Melt temperature fluctuations or uneven die discharge; 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
الحل
Stable temperature control; die temperature zone calibration; haul-off stability; 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
الخلاصة الأساسية
For wavy lines, check temperature and die uniformity; 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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