The output for ZrO2 fiber ferrule can be improved by ceramic injection moulding technology efficiently.In order to increase the ratio of ceramic powder which can improve mechanics quality and dimensional precision of ZrO2 ferrule,the gating system for ferrule mould is redesigned in this paper.After analytic calculation and simulation analysis,U-shape is adopted as the optimal cross-section shape in the cold flow channel injection mould for higher efficiency and filling effects.Moreover,three common cooling systems for ceramic injection mould are analysed and the results show that the cooling system with the pipe layout of double ring can be considered to be optimal to improve cooling efficiency,uniform temperature and heat balance effect of fiber ferrule mould.
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