THE INFLUENCE OF TECHNOLOGICAL PARAMETERS ON SURFACE TEXTURE OF DLD CEMENTED TUNGSTEN CARBIDE AFTER GRINDING
Journal Title: Archives of Mechanical Technology and Materials - Year 2015, Vol 35, Issue
Abstract
This paper presents the analysis of surface texture after grinding of claddings of tungsten carbide (WC). The workpiece material was cemented tungsten carbide produced by DLD (direct laser deposition) technology. The 3D surface topography was analyzed and the measurement results were obtained using Hommewerke T8000 surface profiler. The grinding process included two phases, i.e. stock removal and spark out. During the stock removal part axial depth of grinding ap was selected as 5÷20 μm. Subsequently, a sample was sparked out. The number of spark out passes was equalled to 20. The variable parameters were feed vf and depth of cut ap. The main factor affecting machined surface roughness is the occurrence of micro grooves and rotuberances on the machined surface, as well as other phenomena connected, inter alia, with the mechanism for material removal. This work can be also the starting point to the further research, related to the grinding performance analysis of tungsten carbide during the cutting with the tools with undefined geometry.
Authors and Affiliations
Iwona Wstawska
Keywords
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