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APPLICATION VALIDITY OF THE TECHNOLOGICAL PROCEDURE FOR MAKING SPIRAL DRILL-BIT GROOVES
(Institute for metallic materials and technology, 2021) Spaić, Obrad; Vukčević, Milan; Marinović, Budimirka; Koprivica, Aleksandra; Jovanović, Janko
The current world trends and the global market require production organizations to increase the quality while reducing the costs of their products. In most cases, traditional production technologies of spiral drill bits (SD) cannot meet these expectations, as they most often fulfil only one of the set requirements. Thus, the cost of a SD produced with the rolling technology is low, but its quality is also much lower than that of the drills produced with the grinding technology whose cost is also much higher. The grooves of the SDs produced with our new technological method have advantages over the grooves produced with the rolling technology or grinding technology, and the savings in the material and grinding wheel are higher compared to the SDs produced with the grinding technology. This paper presents an analysis of the application of this new technological process for producing SD grooves