Improved technologies at restoring crankshafts operational integrity for diesel vehicle destination

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.20068

Keywords:

crankshaft, tribosystem, surface layer, restoration, hardening

Abstract

Most of the known methods, applied in production for hardening and lifetime restoration of main journals and crankpins are used only in the restoration process of small crankshaft journals (in automobile and tractor engines). Most standard hardening techniques and traditional wear-resistant coating technologies do not provide the required level of increasing wear resistance and fatigue strength of parts simultaneously.

Complex technology for restoring the operational integrity of transport diesel engine crankshafts is considered in the paper.

Its feature is that the product is plunged into the solution of silicate salts after the traditional heat treatment and HFC hardening that leads to the antifriction layer formation on the treated surface. Using this complex of operations within one technological cycle will allow improving the surface operational properties of main journals and crankpins, and, as a result, the repair technology efficiency of transport diesel engine crankshafts as a whole.

Author Biographies

Андрей Юрьевич Демин, Ukrainian State Academy of Railway Transport, Feuerbach square, 7, Kharkov, Ukraine, 61050

Graduate student, department of materials and manufacturing technology products transport purposes

Лариса Андреевна Тимофеева, Ukrainian State Academy of Railway Transport, Feuerbach square, 7, Kharkov, Ukraine, 61050

Doctor of engineering, professor, Head of the department of materials and manufacturing technology products transport purposes

Сергей Сергеевич Тимофеев, Ukrainian State Academy of Railway Transport, Feuerbach square, 7, Kharkov, Ukraine, 61050

Candidate of engineering sciences, associate professor, department of materials and manufacturing technology products transport purposes

Евгений Сергеевич Ягодинский, Ukrainian State Academy of Railway Transport, Feuerbach square, 7, Kharkov, Ukraine, 61050

Graduate student, department of materials and manufacturing technology products transport purposes

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Published

2014-02-17

How to Cite

Демин, А. Ю., Тимофеева, Л. А., Тимофеев, С. С., & Ягодинский, Е. С. (2014). Improved technologies at restoring crankshafts operational integrity for diesel vehicle destination. Eastern-European Journal of Enterprise Technologies, 1(1(67), 60–64. https://doi.org/10.15587/1729-4061.2014.20068

Issue

Vol. 1 No. 1(67) (2014): Mechanical engineering technology

Section

Mechanical engineering technology

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Copyright (c) 2014 Андрей Юрьевич Демин, Лариса Андреевна Тимофеева, Сергей Сергеевич Тимофеев, Евгений Сергеевич Ягодинский

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