General aspects of speed increaser gearboxes

International Conference on Applied Sciences 2017

Bra, A.^1 ; Nedelcu, D.^1 ; Haiegan, C.^2 ; Bejinariu, A.C.^3 ; Filip Nedeloni, L.^1

Eftimie Murgu University of Resita, Department of Mechanical and Materials Engineering, Traian Vuia str., no.1-4, Resita

320085, Romania^1

Eftimie Murgu University of Resita, Department of Electric Engineering and Informatics, Traian Vuia str., no. 1-4, Resita

320085, Romania^2

Politehnica University of Timisoara, Faculty of Management in Production and Transportation, Remus str., no.14, 300191, Romania^3

关键词: Execution technologies;    General aspects;    Induction hardening;    Mechanical characteristics;    Tooth root;    Tooth root stress;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/294/1/012032/pdf
DOI  :  10.1088/1757-899X/294/1/012032

来源: IOP

【 摘 要 】

This study aims to present the general aspects of the speed increaser gearboxes. The second part of this study will focus on the identification of the possibility to replace the special materials used for gearing execution of the speed increaser gearboxes with materials having inferior mechanical characteristics. Gearing execution from 18CrNiMo7-6 material is expensive in terms of price and applied execution technology. Also to obtain the mechanical characteristics for these materials is necessary to apply some special expensive heat treatments as carburizing heat treatment. We will replace this material with C45 steel for gear and pinion execution, we will apply an induction hardening heat treatment for getting a surface teeth hardness HRC 45 an for the increase the safety for tooth root stress coefficient we will apply a supplementary operation consisting in a tooth root shoot peening.