NUMERICAL MODELING OF SKEW ROLLING PROCESS OF TWIST DRILLS
Tomasz Adam Bulzak 1  
,  
Zbigniew Pater 1  
,  
 
 
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Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
CORRESPONDING AUTHOR
Tomasz Adam Bulzak   

Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
Publish date: 2016-12-01
 
Adv. Sci. Technol. Res. J. 2016; 10(32):124–131
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ABSTRACT
This paper presents the results of numerical modeling of skew rolling process of twist drills in four-segments configuration. On the basis of the conducted numerical simulation the results were obtained in a form of distributions: stress intensity, strain intensity, temperature and damage. The energetic parameters of the process were also given on the example of a drill Ø10 mm from high-speed steel HS6-5-2. The conducted numerical simulation confirmed the usefulness of the graphic method based on envelope theory in tools designing for skew rolling of twist drills.