Molds & Tooling
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PPO Glass Fiber Exposure Wearing Molds
Fenómeno do problema
[Problem Phenomenon] High glass fiber PPO mass production wears molds quickly, and gates and runners become coarser
Análise das causas
40% glass fiber strongly abrades mold runners and gates, and dimensions and filling change after wear; ordinary mold steel has insufficient life; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Solução
Use wear-resistant steel or surface hardening for high-fiber grade molds; regularly detect runner and gate dimensions; repair promptly when wear exceeds tolerance; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Conclusão principal
40% glass fiber eats molds; wear-resistant steel plus regular detection is the response; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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