Hole machining based on using an incisive built-up reamer

Autor: Ruslan Mukanov, Asylbek Kasenov, Kairatolla Abishev, Aizhan Taskarina, Galiya Itybaeva, Nikolay Dudak, Zhanara Mussina
Rok vydání: 2017
Předmět:
Zdroj: International Journal of Precision Engineering and Manufacturing. 18:1425-1432
ISSN: 2005-4602
2234-7593
DOI: 10.1007/s12541-017-0170-9
Popis: This article deals with analyzing the existing cutting tools and ways of hole-making operations. The newly designed tool consists of four false teeth-incisors and the curved cutting edge. This tool provides the possibility to increase the hole quality (tolerance of size, surface roughness), to facilitate cutting and to increase tool life. Experimental studies related to hole processing were carried out by using a scanner. Reproducibility of the experiment was determined according to Cochran's criterion G. The obtained results were processed through the mathematical apparatus of the full factorial experiment of type 23. Based on relevant data measurements, the authors of this research built graphics based on the accuracy of diametric dimensions of the processed holes, spindle rotation frequency and cut feed, as well as on the dependence of surface roughness from technological factors (workpiece speed, feed and length). The graph shows that deviation of the diametric size increases with increase in feed and decreases with the speed increase; surface roughness is inversely proportional to workpiece speed. Precision machining of holes corresponds to 5-6 accuracy degree, which is higher by one or two orders of magnitude compared to using standard hole boring cutters and scans.
Databáze: OpenAIRE
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