Processing Machinery
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ABS burnt equipment factors
Problembeschreibung
ABS burnt equipment factors, screw wear, barrel damage, melt stagnation dead spots.
Ursachenanalyse
ABS burnt equipment factors; screw wear, barrel inner wall damage, check ring wear; melt stagnation dead spots; residual material coked at high temperature for a long time; material not purged at shutdown; incomplete cleaning during material changeover.
Lösung
①Screw and barrel inspection; ②check ring replacement; ③purging standards; ④material changeover cleaning; ⑤equipment maintenance.; After adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
The equipment factors of ABS burnt are the root cause; wear and dead spots are the key points; maintenance ensures long-term quality.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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