Optimization of Gating System for an Investment Casting Piece
For small pieces by investment process,the tree assembling efficiency of single piece is low with small quan-tities,and the yield rate of castings is relatively low.Meanwhile,the cost of cutting and grinding gate in the post-treatment process is higher with low efficiency.The tree assembly similar to dendrimer was adopted,which could greatly improve quantities and efficiency of tree assembly as well as the yield rate.A straight gate was replaced with cut-free gate,which could decrease the loss of metal and improve cutting and grinding efficiency,thus reducing the overall production cost.
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