Research on Patternless Casting Technologies for Large Thin-walled Shell Pieces
Combining numerical simulation technology with digital precision forming technology without pattern casting,to rapidly produce body castings.Through casting process simulation,the hot metal filling and solidification process was analyzed to prevent the casting from incurring defects such as cold lap,shrinkage porosity and shrinkage hole during casting process.Using digital precision forming technology without pattern casting,the sand molds were directly milled in 3D CAD mold driving.The rapid and accurate sand mold manufacturing was achieved without wooden mold.Combination of casting simulation and sand mold milling technology,the body casting of binding machine was successfully developed to realize integration application of 3D CAD/CAE/CAM,and seamless connectivity of digital design,numerical simulation and digital processing,which provides a new method of manufacturing for rapid development of large & complex castings.
国家科技期刊平台
NSTL
万方数据
维普
