Flat surfaces machining by the magneto-abrasive method with permanent magnet end-type heads 3. The influence of the types of the working heads on the effectiveness of the magneto-abrasive machining

Authors

DOI:

https://doi.org/10.20535/2521-1943.2021.5.1.229813

Keywords:

Magneto-abrasive machining; end-type magnetic heads; permanent magnets; working surfaces; efficiency; roughness

Abstract

Investigations of the magneto-abrasive machining (MAM) process of ferromagnetic flat surfaces by three types of end heads were carried out. The nature of the change in the magnitude of the magnetic induction in the working zones was determined. The influence of technological parameters of the machining process was investigated, such as the feed rate of the working heads, the frequency of their rotation about their axis, the size of the working gaps on the change in the parameters of the microroughness of the machined surfaces - Sa, Sp, Sv, the frequency distribution of heights microroughness and size of the supporting surface of the profile. It was shown that the level of roughness achieved after MAM is practically the same and does not exceed, under rational conditions of the MAM process, the values Sa = 0.05-0.07 μm, Sp = 0.2 μm and Sv = 0.39 μm with the only difference that the MAM process by the heads of the "brush-half of torus" type are being realized with increased productivity, especially in terms of reducing waviness and individual elements of the heredity of machining, determined by such factors as depth and feed rate during milling. The kinetics of the formation of a microprofile of surfaces is shown under various technological conditions of the MAM process.

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Published

2021-06-23

How to Cite

[1]
V. Maiboroda, D. Dzhulii, A. Zelinko, and A. Burikov, “Flat surfaces machining by the magneto-abrasive method with permanent magnet end-type heads 3. The influence of the types of the working heads on the effectiveness of the magneto-abrasive machining”, Mech. Adv. Technol., vol. 5, no. 1, pp. 97–102, Jun. 2021.

Issue

Vol. 5 No. 1 (2021)

Section

Up-to-date machines and the technologies of mechanical engineering

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