Manufacturing Technology 2014, 14(4):554-561 | DOI: 10.21062/ujep/x.2014/a/1213-2489/MT/14/4/554

Tests of Drills during Drilling Holes into Alloy Wheels

Ladislav Kyncl1, Marek Sadílek1, Robert Čep1, Jana Petrů1, Dana Stancekova2, Josef Procházka1, Pavel Nováček1
1 Department of Machining and Assembly, VSB - Technical University of Ostrava, 708 33 Ostrava. Czech Republic
2 Zilina University on Zilina, Faculty of Mechanical Engineering, Departmenaof Machining and Manufacturing Technologies, Univerzitná 1, 010 26 Zilina, Slovakia

This article is interested about drilling the holes to the alloy wheels. Tested were drills to drilling holes for screws and service holes. For screw holes was tested the three-stage drill with inserts from polycrystalline diamond. Drilled are two different diameters and the transition spherical or conical surface. The service holes were drilled with cemented carbide drill availible from Mapal labeled Mega-drill-Alu-180. During test, was modified the geometry of the drill and we watched what will be the effect of applied modification. Tested was seven variants of regrinding the drill. We evaluate the surface roughness, but also if the drill has the right position and not be pushed away from its axis. Finally was tested drill with three edges. This drill bit is from company Mapal labeled Tritan.

Keywords: drilling, drill, alloy wheels, aluminum alloy

Published: December 1, 2014  Show citation

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Kyncl L, Sadílek M, Čep R, Petrů J, Stancekova D, Procházka J, Nováček P. Tests of Drills during Drilling Holes into Alloy Wheels. Manufacturing Technology. 2014;14(4):554-561. doi: 10.21062/ujep/x.2014/a/1213-2489/MT/14/4/554.
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