Abstract
The article discusses the practical use of combined electro-discharge diamond grinding characterized by metal bond grinding wheel operation in a self-sharpening mode with minimal wheel consumption. The upgrading of grinding equipment technological capabilities at processing high-strength materials is possible due to the galvanic deposition of anti-friction and anti-corrosion films on the surfaces of the diamond wheel and the workpiece. These conditions facilitate the cutting process thereby increasing performance and the quality of the processed surfaces of machine parts. The application of this method provides the diamond wheels operation in self-sharpening mode and guarantees the continuity of its geometric shape which in turn ensures that no defective layer is formed on the treated surface and the cutting tools have longer efficient life.
Highlights
The urgent issues in the field of machine technology are improving the quality and preserving the physical and mechanical properties of the processed surface conditioned [1– 4] by the corrosion protection as well as improving performance by reducing the dissipation of energy in friction during the surface treatment of machine parts by abrasive wheel [5–8]. These tasks can be accomplished by implementing the device for combined electric diamond grinding (CEDG) of machine parts with continuous wheel dressing [9–12]
We propose technically effective solution to the problem, namely, the device for CEDG with simultaneous wheel dressing with the AC transformer
It is important to know the characteristics of the formed layer on the diamond grinding wheel (DGW) surface
Summary
The urgent issues in the field of machine technology are improving the quality and preserving the physical and mechanical properties of the processed surface conditioned [1– 4] by the corrosion protection as well as improving performance by reducing the dissipation of energy in friction during the surface treatment of machine parts by abrasive wheel [5–8]. These tasks can be accomplished by implementing the device for combined electric diamond grinding (CEDG) of machine parts with continuous wheel dressing [9–12]. With the help of controlled thyristor rectifiers the windings leads are connected, respectively, to the workpiece and the additional electrode with the positive pole, which is immersed in the electrolytic bath, and to the dressing electrode with the negative pole
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