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5 Oct 2021
On October 5, 2021, a business meeting was held between representatives of the EPAM Systems IT Company Denis Grinev and Sergey Garashchuk with the Rector of the State University “Odessa Polytechnic” Gennadii Alexandrovich Oborskiy
17 Sept 2021
International Summer School
15 July 2021
Until November 1, 2021, enrollment in the double degree program of Slovakia 2ouble Degree is carried out.
INTERMITTENT GRINDING TEMPERATURE MODELING FOR GRINDING SYSTEM STATE MONITORING
A dry and wet intermittent grinding temperature mathematical model for the thermal macro- or micro-cycle was developed and studied. The heating stage corresponds to the wheel cutting segment passage time through the every contact zone point. The cooling stage corresponds to the passage time of the grinding wheel groove (or pore) through the point mentioned. The dry intermittent grinding temperature field is formed by temperature field superposition during the indicated both heating and cooling cycle stages under the action of heat flux on each point of the surface being ground. While during wet intermittent grinding with grinding fluid through the grooves (or pores) of the intermittent grinding wheel, the temperature field formed at the heating stage is the initial condition for determining the temperature field at the forced cooling stage. Based on the obtained model of the intermittent grinding temperature field the geometrical parameters of the discontinuous (slotted, segmented, high porous) grinding wheel are found and determined for the grinding with intermittent grinding wheel as follows: the number of cutting sections on the wheel and the duty factor of the period of heat flux pulses. The wet intermittent grinding temperature field is also formed by summing (stitching) the temperature fields. However, the heat exchange of the surface being ground with the cooling medium, which periodically acts on this surface during the cooling stage, is taken into account in each macro- or micro-cycle of heat flux in intermittent grinding. The presented article is the result of current work carried out as part of the scientific school of Professor A.V. Yakimov who was the founder of intermittent grinding technology and automation of grinding operations.
( firstname.lastname@example.org )
Natalia V. Lishchenko
, Doctor of Technical Sciences, Associate Professor, Department of Physics and Materials Science
( email@example.com )
Vasily Petrovich Larshin
, Doctor of Technical Sciences, Professor
( firstname.lastname@example.org )
dry and wet grinding; slotted and segmented wheels; high porous wheels; cutting segment; non-cutting area
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2. Fang, C. & Xu, X. (2014). “Analysis of Temperature Distributions in Surface Grinding with Intermittent wheels”, Int J Adv Manuf Technol, 71, pp. 23- 31.
3. Taghi, T. & Bahman, A. (2010). “Intermittent Grinding of Advanced Ceramic with the T-Tool Grinding Wheel”, Advanced Materials Research (126-128), pp. 615-620.
4. Zeng, W. & Xu, X. (2004). “Analytical study of temperatures in sawing with segmented blades”, Key Engineering Materials, pp. 259-260.
5. Zheng, H. W. & Gao, Н. (1994). “A General Thermal Model for Grinding with Slotted or Segmented Wheel”, CIRP Annals – Manufacturing Technology, 43(1), pp. 287-290.
6. Bogutsky, V., Novoselov, Y. & Shron, L. (2018). “Calculating the Profile of Intermittent Grinding Wheel for the Sharpening Teeth of the Broach, MATEC Web of Conferences, 224(11): 01003.
7. Lishchenko, N. & Larshin, V. (2012). “Optimization of Discontinued Grinding Wheel Geometrical Parameters”, Journal of Mechanical Engineering, the National Technical University of Ukraine “Kyiv Polytechnic Institute, No. 65, pp. 110-117 (In Russian).
8. Kwak, J. & Ha, M-K. (2001). “Force Modeling and Machining Characteristics of the Intermittent Grinding Wheels”, KSME International Journal, 15, pp. 351-356.
9. Pérez, J., Hoyas, S., Skuratov, D., Ratis, Y., Selezneva, I, Fernándezde Córdoba & Urchueguía, J. (2008). “Heat Transfer Analysis of Intermittent Grinding Processes”, International Journal of Heat and Mass Transfer, 51(15-16), pp. 4132-4138.
10. Aurich, J. & Kirsch, B. (2013). “Improved Coolant Supply through Slotted Grinding Wheel”, CIRP Annals – Manufacturing Technology, 62(1), pp. 363-366.
11. Jackson, М. (2008). “Design of Slotted Grinding Wheels”, International Journal of Nanoparticles, 1(4), pp. 334-352.
12. Li, Zheng, Ding, W., Ma, C-Y. & Xu, J-H. (2015). “Grinding Temperature and Wheel Wear of Porous Metal-bonded Cubic Boron Nitride Superabrasive Wheels in High-efficiency Deep Grinding”, Proceedings of the Institution of Mechanical Engineers. Journal of Engineering Manufacture, 231, 11, pp. 1961-1971.
13. Neslusan, M. (2009). “Grinding of NI-based Alloys with Grinding Wheels of High Porosity”, Advances in Production Engineering and Management, 4 (1-2), pp. 23-36.
14. Zhenzhen, C., Jiuhua, X., Wenfeng, D. & Changyu, M. (2014). “Grinding Performance Evaluation of Porous Composite-bonded CBN Wheels for Inconel 718 for Inconel 718”, Accepted Manuscript.
15. Lishchenko, N. & Larshin, V. (2019). “Profile Gear Grinding Temperature Determination”, Proceedings of the 4th International Conference on Industrial Engineering ICIE 2018. Lecture Notes in Mechanical Engineering, pp. 1723-1730.
16. Lishchenko, N. & Larshin. V. (2020). “Temperature Field Analysis in Grinding”. Lecture Notes in Mechanical Engineering, pp. 199-208.
17. Lishchenko, N. & Larshin, V. (2020). “GearGrinding Temperature Modeling and Simulation”, Lecture Notes in Mechanical Engineering, pp. 289-297.
18. Carslaw, H. S. & Jaeger, J. C. (1959). “Conduction of Heat in Solids”, 2nd edn. Oxford University Press, Oxford.
19. Larshin, V. & Lishchenko, N. (2019) “Grinding Temperature Model Simplification for the Operation Information Support System”, Scientific Journal Herald of Advanced Information Technology, Odessa, Ukraine, Publ. Science and Technical, Vol. 2 № 3, pp. 197-205. DOI: 10.15276/hait.03.2019.3.
20. Lishchenko, N. & Larshin, V. (2019) “Temperature Models for Grinding System State Monitoring”, Applied Aspects of Information Technology, Odessa, Ukraine, Publ. Science and Technical, Vol. 2 № 3, pp. 216-229. DOI: 10.15276/aait.03.2019.4.
Received after revision 06.06. 2020
Accepted 12.06. 2020
Vol. 3 № 2, 2020
7 Oct 2021
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