Material Drying
5 görüntüleme
PA6 and ABS Selection
Sorun Belirtisi
After replacing ABS with PA6 for the same housing, the drop test fails and dimensions change with humidity
Neden Analizi
PA6 has better rigidity and wear resistance than ABS but low dry-state notched impact and large moisture-absorption dimensional change, so direct replacement of appearance parts is high risk; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Çözüm
Retain ABS or PC/ABS for housings with high appearance and dimensional stability requirements; select PA6 for load-bearing wear-resistant structural parts with moisture-absorption dimensional compensation design; conduct full-item benchmarking verification before replacement
Temel Çıkarım
PA6 and ABS are not simply interchangeable, and material selection follows functional requirements; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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