Extrusion & Post
11 görüntüleme
PLA '2079851475616104452 Annealing Stress Relief
Sorun Belirtisi
PLA products crack after storage, or break from stress release after assembly
Neden Analizi
PLA molding residual stress is released and cracks during storage and assembly; annealing treatment can eliminate stress and promote crystallization; annealing simultaneously improves heat resistance; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based solely on experience
Çözüm
①Annealing treatment after molding to relieve stress and promote crystallization; ②Annealing temperature set above the glass transition temperature; ③Slow cooling after annealing; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Temel Çıkarım
PLA annealing achieves three benefits at once: stress relief, crystallization promotion and heat resistance improvement; the standard post-treatment for precision and load-bearing parts; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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