Published : 2022-08-02

Structure and geometrical accuracy of injection-molded composite gears

Abstract

The structure and geometrical accuracy of injection-molded gears made of PA6, PA66 and PPA filled with glass fiber (30, 35 and 50%) were investigated. Using the AMI software, the injection mold cavity and the injection point distribution were simulated and the orientation of the glass fibers in the product was determined. SEM analysis of the gears fracture surfaces confirmed the good adhesion and dispersion of the glass fiber in the polymer matrix. However, the low accuracy class of injection-molded gears may indicate the need to optimize the injection process, which will be the subject of further research.



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Zajdel, M. ., Pisula, J. ., Sobolewski, B. ., Sanocki, T. ., Majcherczyk, H. ., Budzik, G. ., & Oleksy, M. (2022). Structure and geometrical accuracy of injection-molded composite gears. Polimery, 67(7-8). https://doi.org/10.14314/polimery.2022.7.2