Acta Univ. Agric. Silvic. Mendelianae Brun. 2016, 64(3), 855-861 | DOI: 10.11118/actaun201664030855

Improving the Machining Process by Analysing the Relationship Between Cutting Force and Temperature in Drilling of Engineering Steels

Pavel Polák1, Zuzana Poláková2, Ján Žitňanský1, Petr Dostál3, Katarína Kollárová4
1 Department of Quality and Engineering Technologies, Faculty of Engineering, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
2 Department of Statistics, Faculty of Economics and Management, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic
3 Department of Technology and Automobile Transport, Faculty of AgriSciences, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
4 Department of Science and Research, Faculty of Engineering, Slovak University of Agriculture in Nitra, Tr. A. Hlinku 2, 949 76 Nitra, Slovak Republic

This paper describes the experiment of measuring the temperature and cutting force during the drilling of short holes without using cutting lubricants, at constant cutting speed, and at increasing shift. Measurement was performed on steel samples of grade 11 523. During drilling, temperature was monitored by a thermocouple, using the method of two foreign metals. Cutting force was measured by a strain-gauge sensor. The experiment provides a quick orientation in the given issue and points out to the optimisation of cutting conditions. Based on results, it can be stated that the range of temperatures and the size of cutting forces depends on technological conditions, cutting parameters, and mechanical and physical properties of tool and workpiece's material.

Keywords: metal working, hole boring, cutting conditions, tool shift
Grants and funding:

The work described in this paper was supported by the KEGA project No. 035SPU-4/2014 'Integration of innovative trends of metal cutting, metrology and quality management into university study'. The research has been supported by the project TP 4/2014 "Analysis of degradation processes of modern materials used in agricultural technology" financed by IGA AF MENDELU.

Prepublished online: July 4, 2016; Published: July 1, 2016  Show citation

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Polák, P., Poláková, Z., Žitňanský, J., Dostál, P., & Kollárová, K. (2016). Improving the Machining Process by Analysing the Relationship Between Cutting Force and Temperature in Drilling of Engineering Steels. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 64(3), 855-861. doi: 10.11118/actaun201664030855
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