GRINDABILITY OF SELECTED GRADES OF LOW-ALLOY HIGH-SPEED STEEL
Jan Jaworski 1  
,   Rafał Kluz 1  
,   Tomasz Trzepieciński 2  
 
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1
Department of Manufacturing and Production Engineering, The Faculty of Mechanical Engineering and Aeronautics, Rzeszów University of Technology, Al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland
2
Department of Material Forming and Processing, The Faculty of Mechanical Engineering and Aeronautics, Rzeszów University of Technology, Al. Powstańców Warszawy 8, 35-959 Rzeszów, Poland
CORRESPONDING AUTHOR
Tomasz Trzepieciński   

Rzeszow University of Technology, Al. Powstańców Warszawy 12, 35-959 Rzeszów, Poland
Publication date: 2016-09-01
 
Adv. Sci. Technol. Res. J. 2016; 10(31):222–228
 
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ABSTRACT
In this paper, we presents the results of investigations studied the cutting ability and grindability of selected high-speed steels. We analysed the effect of the austenitization temperature on the grain size, the amount of retained austenite and percentage of retained austenite in HS3-1-1 steel. Furthermore, the investigations concerned on the efficiency of the keyway broaches during the whole period of operation were carried out. It was found that the value of average roughness parameter increases together with increases in the grinding depth. The investigations also show the influence of tempering conditions on the volume of carbide phases in HS3-1-1 steel.