Processing Machinery
4 görüntüleme
PPO Screws, Fasteners and Connectors
Sorun Belirtisi
[Problem Phenomenon] Plastic screws and fasteners need heat resistance and strength retention
Neden Analizi
PPO can be used to make screws, fasteners and connectors: high rigidity and creep resistance, good thread retention; temperature resistance covers most working conditions; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
Select PPO reinforced grades for fasteners; design preload of threaded connections according to creep; evaluate wear for repeatedly disassembled parts; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PPO fasteners are rigid and creep-resistant, and preload retention is an advantage; 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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