Processing Machinery
8 görüntüleme
LLDPE rotational molding powder quality
Sorun Belirtisi
Rotational molding powder particle size is uneven, product wall thickness is inconsistent, and local strength is weak.
Neden Analizi
LLDPE rotational molding relies on powder self-leveling; uneven particle size distribution makes the bulk density inconsistent; excessive fine powder causes electrostatic adsorption, and excessive coarse powder causes uneven flow; During on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience.
Çözüm
①Powder particle size distribution controlled per 35 mesh; ②limit fine powder content to prevent static electricity; ③dry the powder to prevent caking; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability.
Temel Çıkarım
The particle size uniformity of rotational molding powder is the premise of wall thickness consistency; 35 mesh is the benchmark for particle size management; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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