Mechanical behavior of chemically treated SNMA 120408 K10 CNC tool

Abstract CNC (Computer Numeric Control) tool inserts are one of the most commonly used machining tools in the production flow, making the job of machining easier and accurate in which the tool inserts are plays a significant role in machining process through a set of program codes. The tool inserts come in both coated and uncoated states in which the coated tool inserts tends to last longer and have a better wear rate than their uncoated counterparts. In this study, instead of providing a layer of coating on a smooth and even surface of the SNMA 120408 K10 CNC tool (Double-sided Square insert without a chip former for short chipping materials such as cast iron), the tool is coated on an uneven and roughened surface through Micro-Abrasive Blasting process and chemical etching process and it is confirmed by SEM micrographs. The Vickers Hardness results exhibits better hardness enhancement than their uncoated and normally coated counterparts.