Abstract

In recent years, chemically bonded single-layer diamond abrasive tools are getting preference over their galvanically bonded counterparts for many applications because of their outstanding performance. The chemical bonding is achieved by direct brazing of the diamond grit to a steel substrate with an active braze alloy. The present study has shown that the principle of chemical bonding can be extended to fabricate monolayer CBN-coated tools. It is further indicated that understanding of the influence of various construction parameters on the formation of the topography of the tool is required to prepare a good brazed tool. Various case studies are presented to show the influence of the topography of the working surface of such a tool, work material characteristics and grinding parameters on the behaviour of the tool in terms of cutting capability, force and power requirement, loading, grit wear and grit pull out.

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