Processing Machinery
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POM home appliance kettle parts
Problembeschreibung
Electric kettle POM parts deform after long-term hot water and steam, and the seal fails and leaks
Ursachenanalyse
Kettle parts are in a hot water and steam cycling environment; POM has good hot water resistance, but creep accelerates when it approaches the heat resistance upper limit for a long time; sealing surface deformation causes leakage; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
①Select heat-resistant copolymer grades for kettle parts; ②add reinforcing ribs on the sealing surface to prevent creep deformation; ③perform accelerated life verification according to the actual water temperature; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
The key to POM kettle parts is heat resistance margin; copolymer grades plus structural creep prevention ensure sealing life; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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