INFLUENCE OF THE GEOMETRIC CHARACTERISTICS OF THE DISCONTINUOUS PROFILE WORKING SURFACES OF ABRASIVE WHEELS FOR PRECISION AND TEMPERATURE WHEN GRINDING
Keywords:macrotopography of the working surface, surface roughness, degree of tempering, dynamic interaction, processed material
Grinding is the most common finishing method for hardened steel parts. Grinding is accompanied by a large heat release in the cutting area, under the influence of which structural changes appear in the thin surface of the processed parts, tensile stress and even microcracks, which significantly reduce the operational reliability of machines that include these parts. The use of abrasive wheels with an intermittent working surface makes it possible to reduce the temperature in the area of contact of abrasive grains with the material of the workpiece and, as a consequence, stabilize the quality of the surface layer of the workpieces. High-frequency vibrations in the elastic system of the machine, accompanying the work of an intermittent wheel, are a positive factor that reduces the energy consumption of the grinding process. However, under certain conditions of dynamic interaction of the tool with the workpiece, parametric resonance may occur, which worsens the geometric and physical-mechanical parameters of the quality of the surface layer of the processed part. The aim of the work is to realize the possibility of predicting the quality parameters of the surface layer of parts during intermittent grinding by studying the influence of the design features of the macrotopography of the working surface of abrasive wheels and processing modes on the nature of the dynamic interaction of the tool with the workpiece and the heat stress in the cutting area. It was found that the parametric vibrations of the elastic system of the machine tool can be shifted to a more stable area, due to an increase in the number of interruptions of the working surface of the abrasive wheel with a constant ratio of the length of the protrusions and depressions. The increase in the number of breaks on the wheel also contributes to a decrease in temperature in the cutting area. It was found that to maintain the stable operation of the elastic system of the machine, it is necessary to reduce the number of cavities on the grinding wheel with an increase in the cutting speed. However, both of these actions are accompanied by an increase in the heat stress of the grinding process. It has been experimentally established that for ordinary (pendulum) grinding, it is possible to achieve an increase in processing productivity by increasing the speed of the longitudinal movement of the table.
Anderson D., Warkentin A., Bauer R. Comparison of spherical and truncated cone geometries for single abrasive- grain cutting. Journal of Materials Processing Technology. vol. 212, i. 9, pp.1946–1953 (2012)
Aurich J.C., Kirsch B. Kinematic simulation of high performance grinding for analysis of chip parameters of single grains. CIRP Journal of Manufacturing Science and Technology. vol. 5, pp. 164–174 (2012)
Jiang J.l., Ge P.Q., Bi W.B., Zhang L., Wang D.X., Zhang Y. 2D/3D Ground Surface Topography Modeling Considering Dressing and Wear Effects in Grinding Process. International Journal of Machine Tools and Manufacture. vol.74, pp. 29–40 (2013)
Li Jia-Jie, Yan Ru-zhong. Zuhe jichuang yu zidonghua jiagong jishu- Modul. Mach. Tool and Autom. Manuf. Techn, no. 6, pp. 92–95 (2012)
Liu Yun-feng, Zhao Hong, Jing Jun-tao, Wei Shi-liang. Jinganshi yu moliaomoju gongcheng – Diamond and abrasives eng..32, no. 4, pp. 55–59 (2012)
Marinescu I.D., Rowe B., Dimitrov B., Ohmori H. Tribology of abrasive machining process. William Andrew Publishing. 600 p (2012)
Raphael Holtermann, Sebastian Schumann. Modelling, Simulation and experimental investigation of chip formation in internal traverse grinding. Production Engineering Research and Development. vol. 7, i. 2, pp. 251–263 (2013)
Xie J., Wei F., Zheng J. H., Tamaki J., Kubo A. 3D laser investigation on micron – scale grain protrusion topography of truncated diamond grinding performance. International Journal of Machine Tools and Manufacture. vol. 51, i. 5, pp. 411–419 (2011)
Yan Lan, Jiang Feng, Rong Yiming. The research of grinding. Jixie gongcheng xuebao –J. Mech. Eng. 48, no. 11, pp. 172–182 (2012)
Narasimha M. Improving Cutting Tool Life a Review/M. Narasimha, K. Sridhar, et al.// International Journal of Engineering Research and Development. – vol. 7, Iss.1, pp. 67–75 (2013)
Handbook of Machining with Grinding Wheels, Second Edition/ Ioan D. Marinescu, Mike P. Hitchiner. CRC Press. – 750 p (2016)
W. Brian Rowe. Principles of modern grinding technology. Jordan Hill, Oxford OX2 8DP: UK. – 421 p. (2011)
Bogutsky, V. Calculating the profile of intermittent grinding wheel for the sharpening teeth of the broach/ Yu. Novoselov, L Shron // MATEC Web of Conferences 224,01003 (2018) ICMTMTE 2018. DOI:https:// doi. org/10.1051/ matec- conf/ 201822401003
Yaroslavtsev V.M. Otsenka effektivnosti preryivistogo rezaniya na osnove ispolzovaniya zakonomernostey izmeneniya teplonapryazhennosti protsessa/ V.M. Yaroslavtsev, N.G. Nazarov// Nauka i obrazovanie: nauchnoe izdanie MGTU im. N.E. Baumana. – 10 oktyabrya. - pp. 35–42 (2013). DOI:10. 7463/1013. 0623113
Lischenko N.V. Opredelenie temperaturyi preryivistogo shlifovaniya /N.V. Lischenko, V.P. Larshin, A.V. Yakimov//PratsI Odeskogo polItehnIchnogo unIversitetu. – Vip.2 (39), pp. 80–85 (2012)
Bogutskiy V.B. O tselesoobraznosti primeneniya shlifovalnyih krugov s preryivistyim profilem na operatsiyah ploskogo shlifovaniya/ V.B. Bogutskiy, Shron L.B.// Progressivnyie tehnologii i sistemyi mashinostroeniya.– №2 (65), pp. 10–15 (2019)
Bogutskiy V.B. Analiz konstruktivnyih osobennostey shlifovalnyih krugov s preryivistoy poverhnostyu/ V.B.Bogutskiy, L.B. Shron, B.V. Bogutskiy, B.L. Shron//Uchenyie zapiski Kryimskogo inzhenerno-pedagogicheskogo universiteta.- №35.-S.60-64 (2012)
Rodriguez Rafael Lemes, Lopes Jose Claudio, Garcia Mateus Vinicius, Tarrento Gilson Eduardo, Rodriguec Alessandro Roger, Luiz Eduardo de Angelo Sanchez, Hamilton Jose de Mello, Paulo Roberto de Aguiar, Eduardo Carlos Bianchi. Grinding process applied to workpieces with different geometries interrupted using CBN wheel. The international Journal of Advanced Manufacturing Technology.107, is. 3, pp. 1265–1275 (2020). DOI:10.1007/S 00170-020-05122-2
Tawakoli,T., Azarhoushang, B. The oretical and experimental investigation of intermittent grinding of SiC with a segmented grinding wheel. Int J Abras Technol. 4 (1), pp. 90–99 (2011). https://doi. org/10.1504/IJAT.2011. 039005
Fang C.,Xu,X. Analysis of temperature distributions in surface grinding with intermittent wheels. The International Journal of Advanced Manufacturing Technology. 71, pp. 23–31 (2014). https://doi.org/10.1007/S 00170013-5472-1
Oborskiy G.A. Obobschenie predstavleniy o dinamicheskoy harakteristike protsessa rezaniya /G.A. Oborskiy, P.A. Linchevskiy,A.A. Orgiyan,R.A. Maschey// PratsI Odeskogo polItehn.unIv-tu. - Vip.1 (38), pp. 66–70 (2012). URI: http:// pratsi.opu.ua/app/webroot/articles/1346754609.pdf
Orgiyan A.A. Intensivnost parametricheskih rezonansov pri preryivistom rezaniy/A.A.Orgiyan, I.M.Tvorischuk // Suchasni tehnologiyi v mshinobuduvanni – Modern technologies in mechanical engineering: 3b. nauk. Pr. - Kharkiv: NTU “KhPI”. - Vip.9, pp. 124–133 (2014). http://repository.kpi.kharkov.ua/handle/KhPI- Press/16865
Nikitin S.P. Influence of technological parameters on the thermodynamic system of cutting equipment/S.P. Nikitin V.K.Zal’taberg//Russian Engineering Research. Vol. 32, №1, pp. 90–92 (2012)
Khanov A.M. Elastic and Thermal Dynamic Processes in the Grinding of Thermoprotective Coatings/ A.M Khanov, S.P. Nikitin, L.D Sirotenko. E.O. Trofimov,E.V.Matygullina// Russian Engineering Research. (2015). Vol. 35, №9, pp.708-710
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