Modelling and Prediction of Cutting Temperature in the Machining of H13 Hard Steel of Transient Heat Conduction

Abstract

Cutting heat conduction undergoes three stages that include intensity transient-state, transient-state, and steady-states. Especially during machining with coated cutting tools, in the conduction process, cutting heat needs to pass through a few micron thick coatings and then flow into the tool body. This heat conduction presents typical non-Fourier heat conduction characteristics. This paper focuses on the cutting temperature in transient heat conduction with a coated tool. A new analytical model to characterize the thermal shock based on the non-Fourier heat conduction was proposed. The distribution of cutting temperature in mono-layer coated tools during the machining was then illustrated. The cutting temperature distribution predicted by the Fourier heat conduction model was employed to compare with that by non-Fourier heat conduction in order to reveal the non-Fourier heat conduction effect in transient heat conduction. The results show that the transient heat conduction analytical model is more suitable for the intensity transient-state and transient-state in the process of cutting heat conduction.

A novel hybrid approach GREG-fuzzy-GA for minimizing work piece temperature during 2.5D milling of Inconel625 super alloy

“…In recent years, a variety of methodologies and techniques like finite element method (FEM), empirical and experimental were used to reduce WT during various manufacturing operations like drilling, turning, WEDM-EDM, laser cutting, welding and so on (Zhang et al , 2021; Majumdar and Xia, 2007; Mohamed-Amine et al , 2021; Sivasakthivel and Sudhakaran, 2013; Wang et al , 2020; Ribeiro et al , 2018; Vallavi et al , 2016; Kumar et al , 2020). In civil and aeronautical engineering, FEM is one of the methods used to address difficult elasticity and structural analysis issues.…”

Research on temperature field of high-speed milling titanium alloy and machining parameters optimization

“…After considering the third deformation zone, the calculated tool temperature will be more accurate. Zhang et al [4] set up a non-Fourier heat conduction model, and utilized it for predicting the temperature of the coated tools during cutting. Jiang et al [5] constructed a cutting temperature model using the line heat source approach under a that change over time heat source conditions, and exact temperature predictions were generated for the dynamic uctuations in both the workpiece and tool temperatures during intermittent milling.…”