Extrusion & Post
12 مشاهدة
DSTDP extrusion unstable feeding
ظاهرة المشكلة
DSTDP extrusion feeding amount fluctuates ±15%, causing extrusion pressure and product dimension instability
تحليل الأسباب
DSTDP granule shape irregular causing unstable filling rate of the feeding screw; bridging or voids in the hopper; feeding screw design unsuitable
الحل
1) Use loss-in-weight feeder to precisely control feeding amount; 2) install vibrator on hopper to prevent bridging; 3) granulate DSTDP to 2-3mm uniform particle size; 4) change feeding screw to dedicated design
الخلاصة الأساسية
Unstable feeding is caused by granule characteristics; loss-in-weight feeding and anti-bridging are the core
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