Experimental Investigation of Wearing Grinding Wheels After Machining Sintered Carbide

Peterka Jozef (), Hrbál Jakub (), Buranský Ivan () and Martinovič Jozef ()
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Peterka Jozef: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologyUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Hrbál Jakub: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologyUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Buranský Ivan: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologyUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic
Martinovič Jozef: Slovak University Of Technology In BratislavaFaculty Of Materials Science And Technology In Trnava Institute Of Production TechnologyUlica Jána Bottu 2781/25, 917 24 Trnava, Slovak Republic

Research Papers Faculty of Materials Science and Technology Slovak University of Technology, 2020, vol. 28, issue 47, 11-20

Abstract: Solid cutting tools are widely applied in the machining of shape parts and mainly fabricated using the grinding operations. Solid cutting tools are of specific geometry and shape. The tool geometry is created by mutual movement grinding wheels and stock. In the grinding of its manufacturing, grinding wheels are worn out gradually with the grinding number increasing. The wearing grinding wheel has a significant influence on the accuracy geometry of the tool produced. The paper focuses on the wear of the grinding wheels based on diamonds, and the grinding wheels based on cubic boron nitride. The wear rate of the grinding wheels is affected by the properties of a grinding wheel, grinding conditions, and type of cutting material. A measure of the ability of a grinding wheel to remove material is given by the Grinding ratio. The grinding ratio (G ratio) is defined as the volume of material removed (Vw) divided by the volume of wheel wear (Vs). Periphery grinding wheels were used in the experiments. Cylindrical face grinding was used for the machining of sintered carbide stock with a diameter of 20 mm. The results of the experiment show that the diamond-based grinding wheels are more suitable for grinding sintered carbide.

Keywords: Grinding ratio; grinding wheel; grinding; sintered carbide (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:vrs:repfms:v:28:y:2020:i:47:p:11-20:n:2

DOI: 10.2478/rput-2020-0014

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