Development of an experimental recoater to study the technology of layer-by-layer application of sand mixture
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The article is devoted to solving one of the problems of research and design of robotic complexes for production of foundry molds using 3D printing. The article describes the development of an experimental recoater unit for automated production of foundry molds using the technology of layer-by-layer application of sand mixture. Experimental studies of the quality of sand distribution using the developed unit are carried out. Methods of laying the sand mixture are described. The evaluation of the speed of pouring sand into the hopper, the evaluation of sand distribution depending on the time of pouring out of the hole area. The efficiency of the experimental recoater for sand mixture application, which consists of an auger conveyor and slide gate, was analyzed and the main technical characteristics of its work were evaluated. The conclusions drawn according to the results of the experiments pointed to the positive technical constructive solutions of the developed unit for the application of the sand mixture. Recommendations for its improvement are offered.
Additive technologies, casting mold, 3D-printing, sand mixture, experimental recoater, gate valve, screw
Короткий адрес: https://sciup.org/14130664
IDR: 14130664
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