基于多工序仿真的静子内环零件变形控制

Deformation Control of Aero-engine Casings Based on Multi-process Simulation

以某静子内环零件为载体,针对零件加工中存在的工件变形、尺寸超差等加工质量问题,开展工艺路线、加工顺序等多工序连续仿真、分析和优化技术研究。在此基础上,确定影响零件加工质量的主要因素,提出针对性解决方案,相关分析优化结果在零件上进行加工验证,加工精度提升80.34%,加工周期缩短11.9%,生产效率明显提升。结果表明,数控加工多工序联合仿真技术在零件实际加工中对均衡切削力、均化表面应力应变场以及有效控制加工变形量等方面有明显效果。

In order to solve the inner-ring casing quality problems,such as the deformation of the part,the size over tolerance,etc,the continuous simulation of multi-process,and the analysis and optimization of the process route and the processing sequence are conducted.On this basis,the main factors affecting the quality of the part are determined,and the corresponding solutions are put forward.The results show that the machining accuracy is improved by 80.34%,the machining cycle is shortened by 11.9%,so the production efficiency is obviously improved.Therefore,the multi-process simulation technology is effective in balancing the cutting force,homogenizing the surface stress-strain field and controlling the machining deformation.