The role of elastic vibration honing finishing on surface integrity of 16Cr3NiWMoVNbE gear was experimentally examined
by comparing profile feature of tooth chamfering
surface morphology and roughness
crosssectional metallurgic microstructure and microhardness
surface residual stress. Compared to the gear without finishing
elastic vibration honing has improved the chamfering profile
decreased surface roughness and promoted surface residual compressive stress. Such improvements increased with prolong finishing periods of elastic vibration honing. After prolonging for twice times of finishing period
arc transition at crest chamfer and fine mesh strips have been achieved. Moreover
the surface roughness has been decreased from Sa0.47 μm to Sa0.2 μm
and the average surface residual compressive stress has been enhanced by 52%. The results give a reference for process design of elastic vibration honing finishing on hard-machining aircraft gears.
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Related Author
SHEN Weizhi
NIU Qiulin
JING Lu
LIU Lipeng
WANG Xinghua
DAI Fupeng
MA Fangwei
MIN Xianglu
Related Institution
School of Mechanical Engineering, Hunan University of Science and Technology
AECC Shenyang Liming Aero-Engine Co. Ltd.
Key Laboratory of High Performance Manufacturing for Aero Engine, Ministry of Industry and Information Technology, Northwestern Polytechnical University