Abstract
The impact of selected cutting parameters (cutting speed and cutting feed) on the torque and cutting force during drilling gray cast iron EN-GJL-250 was analyzed. The drilling operation was carried out by Allied Machnie drill series: DEM22000S-20FM, on the Hermle B300 vertical milling center. The measurement of the torque and the cutting forces during drilling was carried out by Kistler device.
Highlights
Drilling is the most efficient method of shaping holes in comparison with, for example, milling and turning
The purpose of the research was to determine the influence of cutting parameters – i.e. cutting speed vc and feed fn - at the cutting moment Mc and the feed force Ff
Increase in the cutting speed causes a decrease in the feed force
Summary
Drilling is the most efficient method of shaping holes in comparison with, for example, milling and turning. To reduce the temperature in the cutting zone, cooling and lubricating liquids are used [5] They are supposed to remove chips from chip flutes, eliminate the formation of rotor on the tool's edge, reduce coefficient of friction and remove heat from the cutting zone [6]. All these factors affect process productivity, tool life, dimensional and dimensional accuracy [8, 9] and parameters of the geometric structure of the objects produced [10, 11]
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