Injection Molding
12 görüntüleme
Flash at the Parting Line of PBT
Sorun Belirtisi
Flash and burrs appear at the parting line of PBT products.
Neden Analizi
The melt viscosity of PBT is relatively low and the fluidity is good, so it easily overflows from the parting line; the clamping force is insufficient; the injection pressure is too high.
Çözüm
Increase the clamping force; repair the flatness of the parting line; appropriately reduce the injection pressure; use a precision parting line design.
Temel Çıkarım
PBT has good fluidity and is prone to flash, which needs attention.
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