Injection Molding
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PCABS injection speed
Problem Phenomenon
PC/ABS injection speed management, balance between filling and shear trapped air.
Cause Analysis
PC/ABS injection speed; improves mold filling; but shear stress; trapped air and burning; multi-stage injection; structure adaptation.; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based on experience alone
Solution
①Injection speed optimization; ②multi-stage profile; ③shear monitoring; ④venting matching; ⑤structure adaptation.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
The multi-stage management of PCABS injection speed is fine control; balance ensures quality; adaptation ensures structure.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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