Surface texture formation in precision machining of direct laser deposited tungsten carbide
Received date: 2016-09-29
Revised date: 2017-07-26
Online published: 2017-09-25
Supported by
The research was supported by the project 02/22/DSMK/1228, 2015.
This paper focuses on an analysis of the surface texture formed during precision machining of tungsten carbide. The work material was fabricated using direct laser deposition (DLD) technology. The experiment included precision milling of tungsten carbide samples with a monolithic torus cubic boron nitride tool and grinding with diamond and alumina cup wheels. An optical surface profiler was applied to the measurements of surface textures and roughness profiles. In addition, the micro-geometry of the milling cutter was measured with the application of an optical device. The surface roughness height was also estimated with the application of a model, which included kinematic-geometric parameters and minimum uncut chip thickness. The research revealed the occurrence of micro-grooves on the machined surface. The surface roughness height calculated on the basis of the traditional kinematic-geometric model was incompatible with the measurements. However, better agreement between the theoretical and experimental values was observed for the minimum uncut chip thickness model.
The full text can be downloaded at https://link.springer.com/article/10.1007/s40436-017-0188-3
Szymon Wojciechowski , Zbigniew Nowakowski , Radomir Majchrowski , Grzegorz Kró , lczyk . Surface texture formation in precision machining of direct laser deposited tungsten carbide[J]. Advances in Manufacturing, 2017 , 5(3) : 251 -260 . DOI: 10.1007/s40436-017-0188-3
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