Injection Molding
7 görüntüleme
PVC Injection Product Dimension Instability
Sorun Belirtisi
Dimensions fluctuate, poor assembly.
Neden Analizi
Uneven plasticization, cushion fluctuation, mold temperature drift; PVC plasticization fluctuation directly transmits to dimension fluctuation; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience.
Çözüm
①Stabilize plasticization; ②Continuously monitor cushion fluctuation as early warning of metering stability; ③Mold temperature machine constant-temperature water supply to avoid quality fluctuation caused by mold temperature drift; ④Stabilize regrind proportion; ⑤Establish SPC process monitoring to detect dimension drift in time.
Temel Çıkarım
PVC dimension = 'plasticization and metering stability': plasticization fluctuation is PVC's characteristic root of dimension instability; stabilize plasticization and metering, dimensions are then guaranteed; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence.
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