Processing Machinery
4 görüntüleme
PA66 engine decorative cover
Sorun Belirtisi
The engine decorative cover deforms and loses gloss after long-term high temperature
Neden Analizi
The cover is close to the heat source, ordinary grades lose gloss and deform from thermal aging, and failure occurs first at fixing point stress concentrations; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
Çözüm
Select glass fiber reinforced heat-stabilized grades; add metal bushings at fixing points; add heat insulation pads between the cover and heat source; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
Temel Çıkarım
Engine covers require heat-stabilized grades plus heat insulation design; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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