Processing Machinery
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PET glass fiber engineering parts
Problembeschreibung
Glass fiber reinforced PET electrical skeletons fail the tracking resistance requirement
Ursachenanalyse
The CTI value of ordinary reinforced PET does not meet high-voltage electrical requirements; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry materials and should be confirmed first during troubleshooting
Lösung
Select a special high-CTI grade; increase the creepage distance in the skeleton structure; verify CTI and flame retardancy according to electrical standards; after adjustment, take consecutive samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Electrical skeletons are selected as special grades according to CTI and flame retardant ratings; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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