Influence of properties of the working technological environment on the surface roughness and productivity during magnetic abrasive machining-Reference-Cited by-同舟云学术

Influence of properties of the working technological environment on the surface roughness and productivity during magnetic abrasive machining

Published:2022-04-06 Issue:1 Volume:67 Page:39-48
ISSN:2524-244X
Container-title:Proceedings of the National Academy of Sciences of Belarus, Physical-Technical Series
language:
Short-container-title:Vescì Akademìì navuk Belarusì. Seryâ fizika-tehničnyh navuk

Author:

Akulovich L. M.¹,Sergeev L. E.¹,Dechko M. M.²

Affiliation:

1. Belarusian State Agrarian Technical University

2. JSC “LMZ Universal”

Abstract

The results of experimental studies of the surface roughness parameters of ball bearing treadmills made of steel SHX-15 and the performance of the magnetic abrasive treatment process depending on the properties of the components of the working process medium are presented. The research used methods of mathematical modeling of the technological process of magnetic abrasive processing, subsequent analysis of the obtained multivariate regression equations to identify the most significant technological factors according to the criteria of their interaction and relative influence on surface roughness and processing performance. The relative total contribution to the change in the roughness of the treated surface (Ra, microns) and processing performance (ΔG, mg/min) was established: single control technological factors affect 29,1 % and 48,2 %, respectively; interacting control technological factors 46.8 % and 45.9 %, respectively. The controlling technological factors in descending order of the degree of influence by generalized significance are arranged in the sequence: hydrogen pH, gradient of magnetic induction B (T/mm), microhardness of abrasive HV (GPa), coolant viscosity γ (cSt), processing time t (s) and magnetic permeability µ (mH/m). The interpretation of the physical mechanisms of interaction of controlling technological factors is given. The obtained results of a quantitative assessment of the relative total contribution of single control technological factors can be used in assigning modes of magnetic abrasive treatment of bearing rings, and their interaction – in studies of the synergism of the parameters of the working technological environment, which allows obtaining a much greater effect than using each parameter separately.

Publisher

Publishing House Belorusskaya Nauka

Subject

Pharmacology (medical)

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