Research and Practice on Shell Molding and Core Technology of Railroad Wagon Buffer Box
For MT-2 buffer box products,carbon dioxide hardening of water glass sand,Bonny resin silica sand and Bonny resin pearl sand were used to carry out shell and shell core process tests,and the optimal production process plan was obtained.The influence of different sand processes on the quality of castings is described.By comparing the process plans,the process quality of Bonny resin pearl sand is more stable,more environmentally friendly and more efficient.
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