基于CETOL平台的中国聚变工程实验堆真空室三维公差分析

The tolerance analysis of China Fusion Engineering Test Reactor vacuum vessel is performed using the CETOL tolerance analysis software based on the CATIA platform. Based on the three-dimensional solid model, the assembled targets of the vacuum vessel are simplified and subdivided. Tolerances are assigned according to the overall assembly requirements of the vacuum vessel, and tolerance analysis models are established. The critical dimensions affecting the target tolerances have been determined through the sensitivity and contribution, and the unreasonable tolerances have been redistributed to meet the tolerance requirements of the component, which is very useful to ensure the assembly quality of the vacuum vessel.