Extrusion & Post
5 görüntüleme
Annealing Deformation of PBT Products
Sorun Belirtisi
PBT products deform during annealing treatment, and the dimensions change after annealing.
Neden Analizi
The annealing temperature is too high, approaching the softening point of PBT; there is no support or improper support during annealing; the release of internal stress of the product is accompanied by deformation.
Çözüm
Control the annealing temperature at 120-130°C; use fixtures to support and maintain the shape; raise and lower the temperature slowly.
Temel Çıkarım
PBT annealing deformation requires suitable tooling and heating rate.
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