Automatic gating and riser system design and defect control for K4169 superalloy guide blade casting based on parametric 3D modeling-simulation integrated system

• An automated gating and riser design framework integrates parametric 3D modeling with simulation, enabling real-time process control and optimization. • Larger gate neck (24 mm) and external risers improve temperature uniformity and flow stability, eliminating shrinkage cavities. • The optimized design increases process yield by 15%, demonstrating significant industrial benefit. • The methodology provides a quantitative evaluation approach for investment casting process design, overcoming limitations of traditional trial-and-error.