Surface And Sub Surface Analysis When Hard Turning Of AISI D2 Tool Steel

Abdul Azim, Mat Salleh (2009) Surface And Sub Surface Analysis When Hard Turning Of AISI D2 Tool Steel. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

In finish turning, surface quality is often of great concern because of their impact on the product performance in terms of functional behavior and dimensional stability. Thus, the understanding of how the surfaces quality is related to cutting parameter is of practical significance. Work material has been studies are AISI D2 of 40 HRC. Cutting test was conducted on CNC Lathe model SL-20. A tungsten carbide cutting tool coated with Titanium Nitride (TiN) is used in this study. All work material were machined at the different cutting speed which is, Vc= 200 m/min, Vc=150 m/min, Vc = 100 m/min, and feed rate, f = 0.03 rev/min and depth of cut = 0.3 mm. Results shows that good surface finish of 0.26 μm was obtained at cutting speed, Vc = 200 m/min. It was observed that the surface roughness is influenced by the cutting speed.

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