Extrusion & Post
4 görüntüleme
Dimensional Out of Tolerance of PBT Injection-Molded Products
Sorun Belirtisi
The product dimensions exceed the drawing tolerance requirements, resulting in poor assembly.
Neden Analizi
The mold dimension design does not consider the fluctuation range of PBT shrinkage; the process parameters are unstable and the shrinkage changes; the environmental temperature and humidity have an influence.
Çözüm
Reserve a shrinkage correction allowance in mold design; stabilize the process parameters; inspect the product after full annealing.
Temel Çıkarım
PBT dimension control is a core requirement for precision parts such as connectors.
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