Abstract
The article discusses the method of surface plastic deformation of steel parts by rolling them with rollers. The positive effect of this method on the wear resistance of friction pairs under conditions of intense abrasive wear and with abundant lubrication has been established.
Highlights
The durability of units containing a movable force contact can be increased both by increasing the wear resistance of the material of the parts and by optimizing the relief of the contacting surfaces [1, 2]
Taking into account the above, to increase the durability of the blocks, the block metal was replaced: steel 25L - for steel 45L and the block was hardened in oil
The share of the effect in increasing the wear resistance of the work-hardened surface layer, in the absence of the process of its cutting, belongs to the residual compressive stresses formed in the layer as a result of plastic deformation [12]
Summary
The durability of units containing a movable force contact can be increased both by increasing the wear resistance of the material of the parts and by optimizing the relief of the contacting surfaces [1, 2]. Technological processing methods have limited possibilities of influencing the parameters that determine the wear resistance of the material of the parts, but can be used to obtain a relief of the surface of the parts that is favorable in terms of wear resistance. It is possible to obtain surfaces that differ in height, and in the shape of irregularities [3]
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