Injection Molding
8 مشاهدة
PCABS barrel residence time
ظاهرة المشكلة
PC/ABS barrel residence time heat silver streaks, cycle and injection volume matching.
تحليل الأسباب
PC/ABS barrel residence time too long causes heat silver streaks; cycle time; injection volume and machine matching; small parts on a large machine; thermal degradation; process optimization.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
الحل
①Shorten cycle time; ②injection volume and machine matching; ③residence time calculation; ④thermal degradation monitoring; ⑤process optimization.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
The cycle and matching of PCABS residence time are the management core; calculation and monitoring are both important; optimization prevents degradation.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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