Study on wear mechanism and surface integrity of H13 tool steel under dry cutting conditions

Muhammad Farid Azizie, Muhammad Farid (2022) Study on wear mechanism and surface integrity of H13 tool steel under dry cutting conditions. Project Report. Melaka, Malaysia, Universiti Teknikal Malaysia Melaka. (Submitted)

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Abstract

Surface roughness and tool wear are now essential factors in many sectors,particularly the manufacturing industry. In order to achieve the lowest possible surface roughness and tool wear, an ideal parameter is required for the machining process and its use in industry. Cutting speed, dept of cut, and feed rate all have an impact on getting a good surface finish with minimal tool wear. Aside from that, cutting circumstances play a vital influence in producing surface roughness. As a result, this research shows the result of an experimental examination into the influence of cutting speed and feed rate on the surface roughness of H13 tool steel. This experiment was carried out using an CNC (computer Numerical Control) turning machine in dry cutting mode. This cutting speed and feed rate, while the output variables are the surface roughness of the machine sample, tool wear, and surface integrity. The surface roughness of the sample was assessed using a surface roughness tester, and tool wear were quantified using an optical microscope. According yo the findings, cutting speed and feed rate have a significant impact on the surface roughness of H13 tool steel while machining in dry condition with CNC turning. The surface roughness value, Ra, was acquired at various cutting speed and feed rate parameters. It demonstrates that the lowest surface roughness value was attained at a lower cutting speed and feed rate. The findings of this experiment have the potential to assist the industrial industry in reducing production time and cost. It is critical to obtain the optimal cutting speed and feed rate since it can decrease tool wear and extend tool life.

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