Design and Practice of Partition Chillers in Casting
Author of the article:ZHANG JIyan;LIU Zhongli;ZHANG Bin
Author's Workplace:Yantai Taihai Manoir Nuclear Equipment Co.,Ltd.,Yantai 264000,China;School of Nuclear Equipment and Nuclear Engineering,Yantai University,Yantai 264000,China
Key Words:Drag Chill shrinkage porosity hot crack equivalent thickness
Abstract:
In casting production,the partition chiller is placed between two risers to control the solidification direction,extend the filling and shrinking distance and improve the process yield.However,if it was not used properly,it is easy to cause shrinkage and cracks and other defects.Considering the equivalent wall thickness of the casting,the influence zone of the chill and the heat absorption capacity of the chill,a set of design method for separating the chill was worked out,and the dimension parameters of the length,width,thickness and spacing of the chill could be calculated.In practice,from the point of view of reducing the occurrence of defects,some application changes of chiller and measures to prevent the occurrence of defects are put forward.