Material Drying
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Process Fluctuation Caused by Batch Differences of acrylonitrile-butadiene-styrene copolymer Raw Material
Problembeschreibung
After changing the raw material batch, the product quality fluctuates, and the process parameters need to be adjusted.
Ursachenanalyse
（1）The molecular weight or molecular weight distribution of different batches of raw materials differs
（2）The additive content or type of the raw materials differs
（3）The moisture content of the raw materials is different
（4）The particle size and shape of the raw materials are different
（5）The storage conditions and time of the raw materials are different
Lösung
（1）When changing the batch, first conduct small-batch trial production
（2）Test the melt flow rate of the new batch of raw material
（3）Fine-tune the process parameters according to the raw material characteristics
（4）Keep the raw material storage conditions consistent, first-in, first-out
（5）Establish raw material inspection standards
Wichtigste Erkenntnis
Raw material batch differences need to be dealt with through incoming inspection and process adjustment.
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