Wear Calculation for Hard-Soft Gear Pairings Depending on Surface Hardness and Roughness

被引：0

作者：

Siewerin B.J. ^{[1
]}

Schmelz J. ^{[1
]}

Raddatz K.J. ^{[1
]}

Tobie T. ^{[1
]}

Stahl K. ^{[1
]}

机构：

[1] Gear Research Center (FZG) Technical University of Munich (TUM), Boltzmannstr. 15, Garching

来源：

Tribologie und Schmierungstechnik | 2023年 / 70卷 / 01期

关键词：

gears; heat treatment; Machine elements and drive train; slow speed wear; tribological systems;

D O I：

10.24053/TuS-2023-0004

中图分类号：

学科分类号：

摘要：

In large gear drives, through-hardened ring gears or internal gears are often in contact with case-hardened pinions. This offers economic advantages, but involves an increased risk of wear during its operation. Various test methods exist to evaluate the expected wear of the used gear-lubricant-system, but typically with case-hardened gears only. A direct transfer of the test results to the application in field is not known so far.In this study, influences from different surface hardness and surface roughness values as well as lubricating conditions were systematically investigated on a FZG back-to-back test rig. The results prove a higher risk for strong wear for hard-soft gear pairings. Based on these results, a calculation method for the wear lifetime of gears was extended to allow an estimation of the wear lifetime of gear pairings with different surface hardness based on standard wear tests. © 2023 Expert Verlag. All rights reserved.

引用

页码：24 / 31

页数：7

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