DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS  DURING RUNNING-IN UNDER STEP STRESS

Vladimir Fedorov; Maksim Nagorkin; Leonid Vayner; Elena Kovaleva

doi:10.30987/2782-5957-2024-8-31-43

UDC 621.9 Russian Library and Bibliographic Classification 345

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DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS

Published in Transport engineering · Volume 2024, Issue 8 · Pages 31–43 · Rubric: Mechanical engineering

DOI: https://doi.org/10.30987/2782-5957-2024-8-31-43

Received: 11.06.2024 Accepted: 17.06.2024 Published: 30.08.2024

Authors

Vladimir Fedorov

ORCID

Maksim Nagorkin

ORCID

Leonid Vayner

ORCID Scopus

Elena Kovaleva

ORCID

Vladimir Fedorov

Academic degree: doctor of technical sciences

Science rang: professor

Bryansk State Technical University Professor · Department of Mechanical Engineering Technology · Bryansk

ORCID

Maksim Nagorkin

Academic degree: doctor of technical sciences

Science rang: docent

Bryansk State Technical University Head of the Department, Professor · Department of Technosphere Safety · Bryansk

ORCID

Leonid Vayner

Academic degree: doctor of technical sciences

Science rang: docent

Pacific National University Professor · Higher School of Industrial Engineering · Russian Federation · Khabarovsk

ORCID Scopus

Elena Kovaleva

Academic degree: candidate of technical sciences

Science rang: docent

Bryansk State Technical University Associate Professor · Department of Mechanical engineering and Materials science · Russian Federation · Bryansk

ORCID

ABSTRACT

The paper deals with the issues of technological support to provide the load capacity index of cylindrical sliding friction joints during running-in under step stress. The load capacity of sliding friction joints is one of the tribological characteristics, depending on design and technological factors. The results of studying tribotechnical characteristics of cylindrical sliding friction pairs operating under boundary friction conditions are presented. The working surfaces of these triboelements after preliminary finishing (turning with composite 10 or grinding with the periphery of an abrasive wheel) were subjected to various technological methods of antifriction treatment. In particular, the following methods are considered: 1) application of break-in soft films on the surface of triboelements (shafts) by plating methods; 2) application of break-in soft copper-containing films on the surface of the triboelement (shafts) by friction brassing or chemical copper plating; 3) modification of the surfaces of triboelements with solid nitride-containing coatings (combined treatment) in combination with soft break-in films followed by finishing and hardening surface treatment by surface plastic deformation methods. The shafts were made of 45 steel with subsequent hardening, and the inserts were made of bearing materials recommended in the reference literature (antifriction cast iron ASF-1; babbit B -88; bronze BrOCC -5-5-5 ). Logical models of antifriction treatment methods under consideration and the rationale for their application are presented. Experimental studies were carried out by methods of active experiment on a special test bench having a wide range of changes in stresses on the model of the tested compound and relative sliding velocities of triboelements. Statistical treatment of experimental results made it possible to find out the influence of the studied design and technological factors and running-in conditions on the tribotechnical characteristics of the compounds. The research results are analyzed and on their basis practical recommendations for their use are given. Adequate models of forming the load capacity of joints are obtained, which are recommended to be taken into account at the stages of their design (selection of materials and coatings), machining and running-in.

KEYWORDS

: load capacity, running-in, provision, friction factor, machining, coating, experiment, models, joints

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Chief Editor

Alexandr Khandozhko

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Deputy chief editor

Dmitriy Antipin

adya2435@gmail.com +7(483)256-04-66

Deputy chief editor

Sergey Siyanov

serg620@ya.ru +7(910)297-58-46

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GOST

Fedorov V. P., Nagorkin M. N., Vayner L. G., Kovaleva E. V. DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS // Transport engineering. 2024. no. 8. pp. 31-43. DOI: https://doi.org/10.30987/2782-5957-2024-8-31-43. (Date of access 04.11.2026).

MLA

Vladimir Fedorov, Nagorkin M. N., Vayner L. G., Kovaleva E. V.. "DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS." Transport engineering 2024.8 (2024): 31-43. DOI: https://doi.org/10.30987/2782-5957-2024-8-31-43.

APA

Fedorov V. P., Nagorkin M. N., Vayner L. G., Kovaleva E. V. (2024). DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS. Transport engineering, 2024(8), 31-43. https://doi.org/10.30987/2782-5957-2024-8-31-43

Chicago

Vladimir Fedorov, Nagorkin M. N., Vayner L. G., Kovaleva E. V.. "DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS." Transport engineering 2024, no. 8 (2024): 31-43. https://doi.org/10.30987/2782-5957-2024-8-31-43.

WIKI

{{cite journal | author = Fedorov V. P., Nagorkin M. N., Vayner L. G., Kovaleva E. V. | title = DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS | journal = Transport engineering | year = 2024 | volume = 2024 | issue = 8 | pages = 31-43 | doi = 10.30987/2782-5957-2024-8-31-43 }}

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DESIGN AND TECHNOLOGICAL SUPPORT OF TRIBOTECHNICAL PARAMETERS OF SLIDING FRICTION JOINTS DURING RUNNING-IN UNDER STEP STRESS

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