针对钛合金铸件管路区域易产生疏松缺陷和壁厚不均的情况，分别从增设工艺孔、增加辅浇数量、优化浇道结构等角度对浇注系统进行多轮优化迭代，使用 ProCAST 数值模拟软件对优化后的浇注系统进行模拟验证。 模拟结果显示管路区域冶金质量明显上升，缩孔疏松等空洞类缺陷数量显著降低。 除优化浇注系统外，同时从型壳制备工艺、焊接工装等角度对生产工艺进行优化。 优化结果显示，管路区域产生疏松缺陷和壁厚不均的概率分别由 73%和 85%降低到 2%和 3%，证明模拟结果准确，优化方案有效可行，能够满足实际生产需求。

Because the pipeline area of titanium alloy castings is prone to porosity defects and uneven wall thickness, the gating system was optimized and iterated in multiple rounds from the perspectives of adding process holes, increasing the number of auxiliary castings, and optimizing the runner structure. The optimized gating system was simulated and verified via ProCAST numerical simulation software. The simulation results show that the metallurgical quality in the pipeline area has significantly improved, and the number of hollow defects, such as shrinkage cavities and porosity, has significantly decreased. In addition to optimizing the gating system, the production process is also optimized from the perspectives of shell preparation technology and welding fixtures. The optimization results reveal that the probabilities of loose defects and uneven wall thickness in the pipeline area decrease from 73% and 85% to 2% and 3%, respectively. This confirms the accuracy of the simulation results, validates the effectiveness and feasibility of the optimization scheme, and demonstrates  its ability to meet actual production requirements.