Blow Molding
14 görüntüleme
HDPE blow-molded product flash too thick
Sorun Belirtisi
The flash at the parting line of the hollow product is coarse and thick, making trimming difficult and increasing material consumption.
Neden Analizi
Insufficient clamping pressure or wear of the mold parting line causes too much melt to be extruded at the parting line; excessive parison wall thickness also increases the amount of flash.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
①Check the clamping pressure; ②repair the fit of the parting line; ③optimize the parison wall thickness program; ④keep the trimming mold sharp.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
The amount of flash reflects the level of mold clamping and parison management; excessively thick flash is both waste and indicates equipment condition problems.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence
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