CAJ | 학술논문

某型航空涡轮轴发动机燃气涡轮支点轴承在发动机持久试车完成后，轴承滚子端面出现异常磨损，经过对失效滚子形貌、金相及硬度等进行检查与分析，认为滚子歪斜是导致滚子端面产生异常磨损的诱因，通过采取相应的改进措施并经试验验证，最终使该型轴承顺利通过了发动机TBO试车考核。
모형항공와륜축발동궤연기와륜지점축승재발동궤지구시차완성후，축승곤자단면출현이상마손，경과대실효곤자형모、금상급경도등진행검사여분석，인위곤자왜사시도치곤자단면산생이상마손적유인，통과채취상응적개진조시병경시험험증，최종사해형축승순리통과료발동궤TBO시차고핵。
The abnormal wear of the roller end face of the pivot bearing for the gas turbine of the turbine shaft aero en-gine is founded after the engine durability test.The morphology,microstructure and hardness of the failure roller is checked and analyzed,and it is found that the roller skew is reason for the abnormal wear of the roller end face.The corresponding improved measures are proposed and the experimental verification is carried out.The bearing passes the TBO assessment for engine.