MATEC Web Conf.
Volume 224, 2018International Conference on Modern Trends in Manufacturing Technologies and Equipment (ICMTMTE 2018)
|Number of page(s)||6|
|Section||Manufacturing Technologies, Tools and Equipment|
|Published online||30 October 2018|
Research of working capacity of grinding wheels
Tchaikovsky Branch Perm National Research Polytechnic University, 617764, Lenin St., 73, Tchaikovsky, Russia
2 Federal State Budgetary Institution of Center “Udmurt Federal Research Center of the Ural Branch of the Russian Academy of Sciences”, Institute of Mechanics, 426000, T. Baramzinoy St., 34, Izhevsk, Russia
* Corresponding author: firstname.lastname@example.org
The processing of materials by cutting with abrasive tool is carried out by means of thousands of grains bonded together as a single whole. The quality of abrasive tool is defined by cutting properties of abrasive grains and depends on features of spreading of temperature field in time and in abrasive grain volume. Grains are exposed to heating and cooling during work. It leads to undesired effects such as decrease of durability of grain retention in the binder, hardness, intensification of diffusion and oxidation processes between the binder and grain, the occurrence of considerable temperature stresses in the grain itself. Obtained equation which allows calculation of temperature field of grain for one rotation of grinding wheel shows that the temperature of the wheel depends on grinding modes and thermophysical properties of abrasive material. Recommendations for working capacity of grinding wheels in each operation mode and with a transition from one mode to another are given. As a result of research different dependencies were determined. They include dependencies governing the extent of influence of granularity, difference in height and concentration of grains, geometry parameters of detail to be machined and grinding wheel on machining modes and the thickness of layer cutoff by one grain.
© The Authors, published by EDP Sciences, 2018
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