Molds & Tooling
4 görüntüleme
PBT Flame-Retardant Grade Processing
Sorun Belirtisi
Flame-retardant PBT parts degrade more during processing, the mold corrodes, and the products become brittle
Neden Analizi
The flame-retardant system reduces PBT's thermal stability; brominated flame retardants have a stricter processing temperature upper limit; flame-retardant decomposition products corrode the mold; sprue material should not be recycled; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
①Manage flame-retardant grades according to the supplier's temperature upper limit; ②Apply anti-corrosion treatment to the mold; ③Do not recycle sprue material of flame-retardant material; after adjustment, take samples continuously to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
Flame-retardant PBT is the grade family with the strictest temperature discipline; anti-corrosion and the recycling ban are supporting requirements; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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