Extrusion & Post
6 مشاهدة
PET extrusion output fluctuation and surging
ظاهرة المشكلة
PET extruder output fluctuates periodically, accompanied by pressure fluctuation and current swing.
تحليل الأسباب
Feed zone temperature too high, material melts prematurely and wraps the screw (bridging), screw design unsuitable for PET (improper compression ratio), poor feeding.
الحل
Reduce feed zone temperature (water cooling 60-80°C); use PET dedicated screw (compression ratio 2.5-3.0:1); check feeding.
الخلاصة الأساسية
PET extrusion surging is often caused by feed zone problems; screw design and temperature control are fundamental.
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!