Extrusion & Post
11 görüntüleme
MP surface dense pitting
Sorun Belirtisi
MP product surface has dense 0.1-0.3mm pits, affecting appearance and coating adhesion
Neden Analizi
raw material contains impurity particles >0.05%; mold cavity surface damaged or corroded pits
Çözüm
1) replace with pure raw material, impurities <0.01%; 2) repair and polish the mold cavity to Ra<0.2μm; 3) filter the raw material to remove particles
Temel Çıkarım
pitting is caused by raw material impurities and mold damage; pure raw material and mold maintenance are key
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