Research of the influence of the diamond burnishing process parameters on the surface roughness of a steel 15CR12NI2MOVWANB-S workpiece when using an indenter made of natural diamond


The paper presents the results of analyzing the process of diamond burnishing of a sample made of heat-resistant wrought steel 15Cr12Ni2MoVWANb-S using an indenter made of natural diamond OST2 I77-5-75. Burnishing of the sample was carried out after previous turning. The process of turning was carried out by a carbide cutting tool with a mark T15K6 plate with the test sample fixed in a holder with the snap-action tailstock center. Burnishing was performed using two different methods of fixing the sample (in the centers and in a three- jaw chuck with a snap-action tailstock center). The roughness parameters were measured using the automated profilograph-profilometer of the BV-7669 model. The studies have shown the possibility of macrorelief formation on the burnished surface if the sample was machined in the centers and its absence if the sample was machined in the holder with a snap-action tailstock center. In order to obtain the empirical relationships linking the surface roughness with the diamond burnishing process parameters (pressing force, speed, feed, the initial peak-to-trough height and the radius of the diamond burnishing tool) a series of single-factor experiments treated with the use of the method of least squares was carried out. The results obtained correlate well with the experimental results previously obtained in studying the process of diamond burnishing with the use of a diamond burnishing tool made of synthetic diamond ASB-1.

About the authors

A. N. Shvetsov

Samara State Aerospace University

Author for correspondence.

Teaching assistant of the Department of Mechanical Treatment of Materials

Russian Federation

D. L. Skuratov

Samara State Aerospace University


Doctor of Science (Engineering), Professor

Head of the Department of Mechanical Treatment of Materials

Russian Federation


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