Extrusion & Post
12 مشاهدة
DSTDP screw slipping
ظاهرة المشكلة
During DSTDP extrusion, the screw slips, feed does not advance, output drops sharply
تحليل الأسباب
DSTDP granules melt too early in the feeding section forming a lubricating film causing screw slipping; feeding section temperature too high
الحل
1) Lower feeding section temperature 10-15°C to delay melting; 2) deepen feeding section flight to increase material gripping force; 3) dry granule surface to reduce lubrication
الخلاصة الأساسية
Screw slipping is caused by premature melting; cooling the feeding section is key
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