The effect of running-in on the efficiency of superfinished gears

被引：27

作者：

Andersson, M. ^{[1
]}

Sosa, M. ^{[1
]}

Olofsson, U. ^{[1
]}

机构：

[1] KTH Royal Inst Technol, Dept Machine Design, S-10044 Stockholm, Sweden

来源：

TRIBOLOGY INTERNATIONAL | 2016年 / 93卷

关键词：

Gear efficiency; Running-in; Superfinished; Ground; TOOTH FRICTION; SURFACE; LUBRICATION; PREDICTION; ROUGHNESS;

D O I：

10.1016/j.triboint.2015.08.010

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Reduced gear contact losses are necessary to keep operating temperatures, as well as fuel consumption low. In this work, an FZG gear test rig was used to investigate the effect of running-in on superfinished gears with respect to efficiency. This was compared to ground gears where a higher contact pressure yielded higher efficiency. No difference was found between the two running-in procedures when analysing superfinished gears. The effect of running-in on gears decreased when the initial surface roughness was reduced, which initially had an R-a, R-z and R-pk value of 0.08, 0.75 and 0.08 mu m, respectively. Superfinished gears showed an overall higher efficiency; however, a distinctly lower efficiency was present below 2 m/s when compared to ground gears. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：71 / 77

页数：7

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