The effect of manufacturing method and running-in load on the surface integrity of efficiency tested ground, honed and superfinished gears

被引：34
|
作者：
Mallipeddi, D. [1 ]
Norell, M. [1 ]
Sosa, M. [2 ]
Nyborg, L. [1 ]
机构：
[1] Chalmers Univ Technol, Ind & Mat Sci, SE-41296 Gothenburg, Sweden
[2] KTH Royal Inst Technol, Machine Design, SE-10044 Stockholm, Sweden
来源：
TRIBOLOGY INTERNATIONAL | 2019年 / 131卷
关键词：
Gears; Finishing processes; Surface integrity; Efficiency testing; CONTACT FATIGUE; WEAR;
D O I：
10.1016/j.triboint.2018.10.051
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This study compares gear surface characteristics generated by grinding, honing and superfinishing of casehardened steel, including the evolution during efficiency testing with two different prior running-in loads (0.9 GPa and 1.7 GPa). The most influential factor was surface roughness. Micro-pitting was associated with surface asperities and hence only seen in ground and honed gears, while being absent for super-finished gears. The micro-pitting was enhanced by running-in load, but only for rough surfaces. Deformation-induced localized microstructure impact was associated with cracks. Residual stresses reached similar levels after efficiency testing. Phosphorous content in the gear surface was connected to surface roughness and running-in load.
引用
收藏
页码：277 / 287
页数：11
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