Injection Molding
12 görüntüleme
Poor '2079851475616104452 accuracy of PBT gears
Sorun Belirtisi
After PBT gear '2079851475616104452, the tooth profile accuracy is out of tolerance and the meshing is poor.
Neden Analizi
The shrinkage rate of PBT is affected by crystallinity and glass fiber orientation and fluctuates greatly; anisotropic shrinkage causes tooth profile deformation; the mold design does not fully consider shrinkage compensation.
Çözüm
The mold design adopts a scaled cavity with corrected shrinkage; use high glass fiber content to reduce shrinkage anisotropy; stabilize process parameters.
Temel Çıkarım
PBT gear accuracy requires precise shrinkage compensation design.
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