Assessment of the Altering of Tool Wear and Surface Finish in X2CrNiMoN2253 Stainless Steel Under Dry Machining Conditions

Abstract

Machining is a challenging manufacturing method used for precision parts. In this method, tool wear is inevitable and increases constantly. Surface roughness values change caused by tool wear until the tool life is assumed to be complete. In this investigation, tool wear and the effect of tool wear on surface roughness were analyzed. For this purpose, the cutting experiments were performed on stainless steel material under dry machining circumstances at 1 mm depth of cut, 120 m/min cutting speed, and 0.1 mm/rev feed. The tool wear and surface roughness values were inspected at the finish of each operation on the CNC turning center without removing the workpiece. As a consequence of the measurements, it was concluded that the surface roughness values generally deteriorated, and the tool wear increased regularly. Flank wear was found to be the primary type of wear in the experiments, and interestingly, the surface roughness decreased at the end of tool wear. In addition, it was determined that the tool wear reached the limit at the completion of the machining time of 14.4 minutes.

Keywords

• Tool wear
• Surface roughness
• Machining
• Hard-to-cut materials

References

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