Processing Machinery
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HIPS Product Impact Performance Fluctuation
Problem Phenomenon
Impact strength fluctuates greatly between batches.
Cause Analysis
Rubber phase content and distribution are sensitive to the process; temperature fluctuations affect the rubber phase state.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solution
①Stabilize processing temperature; ②control raw material batch consistency; ③test impact by batch; ④fix process parameters.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Key Takeaway
HIPS performance stability relies on dual control of process and raw material.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for similar problems in the future
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