Processing Machinery
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HIPS Product Warpage
Fenómeno do problema
Large HIPS housings warp and deform.
Análise das causas
Uneven cooling and orientation stress act together; large parts have long flow lengths and more obvious internal stress accumulation.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience
Solução
①Balance cooling; ②multi-point gates to shorten flow paths; ③optimize holding pressure; ④extend cooling and shaping.; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
Warpage of large HIPS parts requires systematic treatment; gate layout and cooling balance are the keys.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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