Processing Machinery
4 görüntüleme
PEEK Compression Molding Particle Boundary Marks as Weak Lines
Sorun Belirtisi
【Problem Phenomenon】PEEK parts compression molded from ordinary pellets show obvious particle boundary marks, and the boundary marks become strength weak points
Neden Analizi
When pellets are compression molded, incomplete fusion between particles leaves interface marks; fine powder can significantly improve but cannot completely eliminate them; boundary marks are an inherent weakness of the compression '2079851475616104453; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
For parts with high mechanical requirements, switch to 450PF fine powder for compression molding; for pellet molded parts, avoid stress in the boundary mark direction; for critical parts, prioritize injection molded or extruded blanks; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
Temel Çıkarım
Pellet molding boundary marks are congenital weak lines; fine powder plus directional avoidance is the response; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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