employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
employee
Penza, Penza, Russian Federation
student
Penza, Penza, Russian Federation
UDC 621.923
Russian Library and Bibliographic Classification 345
Deep grinding with profiled diamond wheels is a high-performance machining method. This method is used for machining a wide range of carbide products. However, since the entire allowance is removed in one machining pass during deep grinding, the process is characterized by increased heat generation. High temperatures in the machining area have a negative effect on the quality of products. It is possible to limit the negative impact of the heat intensity of the machining process by selecting rational grinding modes. The paper objective is to ensure the quality of machining during deep grinding of a carbide cutting tool with profiled diamond wheels based on a systems approach. Deep grinding was considered from the point of view of two limiting conditions - blunting of the diamond wheel and the heat stress of the process. The controlling factors are the feed rate of the part, the grinding depth and the choice of a coolant. Based on the strength characteristics of a carbide material, a crack formation criterion is introduced - the stress intensity coefficient. An algorithm for assigning rational grinding modes is developed based on an analysis of the conditions for maintaining the cutting ability of the wheel and the division of thermal fields and temperature stresses. The engineering preparation of the profiled grinding operation is carried out, the machining modes of the carbide end mill are assigned, finite element modeling of thermal processes in the machining area is performed, and the possible defect of the treated surface is analyzed. A method is proposed for identifying the areas of the profile that are most dangerous for defects based on the temperature gradient and temperature stresses in different sections of the profile. The proposed algorithm for determining the modes of profiled deep diamond grinding of hard alloys ensures the achievement of high-quality product parameters with high productivity of grinding.
grinding, wheel blunting, speed, feed, part, coolant, tension, modeling
1. Abdulgazis DU, Abdulgazis UA, Bratan SM. Assessment of the feasibility of using diamond grinding wheels for machining hard alloys in deep grinding mode. Scientific Notes of the Crimean Engineering and Pedagogical University. 2022;3(77):123-128. DOI:https://doi.org/10.34771/UZCEPU.2022.77.3.024
2. Bezyazychny VF, Golovanov DS. Quality of the surface layer of titanium alloy parts in deep grinding. Bulletin of RSATU named after P.A. Solovyov. 2017;3(42): 65-69.
3. Tsvetkov BV, Volkov DI, Koryazhkin AA. Modeling of thermal processes during high-speed deep grinding with a cubic boron nitride tool. Bulletin of RSATU named after P.A. Solovyov. 2023;4(67):38-45.
4. Koryazhkin AA, Nosenko SV, Nosenko VA. Improving the efficiency of machining compressor blades made of titanium alloy by multi-axis deep grinding. / Izvestiya of Volgograd State Technical University. 2019;1(224):17-21.
5. Nosenko VA, Serdyukov ND, Shkoda OM, Samarsky PI. Coolant testing for the operation of flat mortise grinding of titanium alloy. Izvestiya of Volgograd State Technical University. 2020;8(243):40-43. DOI:https://doi.org/10.35211/1990-5297-2020-8-243-40-43
6. Makarov VF, Nikitin SP. Kinematics of shaping elementary surface sections during deep profile grinding of a turbine blade. Bulletin of RSATU named after P.A. Solovyov. 2017;1(40):173-181.
7. Voyachek II, Kosheleva YuN, Muizemnek AYu. Selecting the modes of deep diamond grinding modes of churlish materials for retaining circle’s cutting capacity. University Proceedings. Volga Region. Technical Sciences. 2013;1:94-101.
8. Brovkina YaYu, Shabalin DN, Kozar II, Petrov AV. Method for studying the parameters of a diamond grinding wheel and increasing the durability period of circles by reducing friction forces when machining technical ceramics. Collection of Scientific Papers of the International Scientific and Practical Conference, 2023: Promising Engineering Technologies. Saint Petersburg; 2023. p. 20-23.
9. Shirokov AV, Osipov AP. Improving the efficiency of grinding workpieces based on simulation modeling of the surface roughness formation process: monograph. Samara: Samara State Technical University; 2016.
10. Sokolov VO, Kosheleva YuN. Features of thermal processes during deep diamond grinding. Collection of Papers of the IV International Scientific and Practical Conference Technological, 2008: Quality Assurance of Machines and Devices. Penza: Privolzhsky House of Knowledge; 2008. p. 35-37.
11. Zinoviev VE. Thermophysical properties of metals at high temperatures: handbook. Metallurgy; 1989.
12. Zverovshchikov AE, Kosheleva YuN. Study of the effect of lubricating and cooling liquid on deep diamond grinding of carbide products. Collection of Papers of the II All-Russian Scientific and Practical Conference with International Participation, October 23-25, 2025: Actual Problems of Machine Tool Engineering-2025. Penza: Publishing House of PSU; 2025.
13. Ito Yu. Handbook of stress intensity coefficients. Moscow: Mir; 1990.
14. Reva VP, Onishchenko DV, Petrov VV, Kim VA, Evstigneev AI. Formation of a hard alloy VK8 using tungsten carbide powder synthesized using mechanochemical technology. Novye Ogneupory (New Refractories). 2013;7:39-43.
15. Zhadyaev AA. Physical and mechanical properties of WC-CO cemented carbides of roller cone bits with inhomogeneous structures. Science-intensive Technologies in Mechanical Engineering. 2022;6(132):3-11. DOI:https://doi.org/10.30987/2223-4608-2022-6-3-11.
