Analyses of Effects of Cutting Parameters on Cutting Edge Temperature Using Inverse Heat Conduction Technique

Marcelo Ribeiro dos Santos, Sandro Metrevelle Marcondes de Lima e Silva, Álisson Rocha Machado, Márcio Bacci da Silva, Gilmar Guimarães and Solidônio Rodrigues de Carvalho

Mathematical Problems in Engineering, 2014, vol. 2014, 1-11

Abstract:

During machining energy is transformed into heat due to plastic deformation of the workpiece surface and friction between tool and workpiece. High temperatures are generated in the region of the cutting edge, which have a very important influence on wear rate of the cutting tool and on tool life. This work proposes the estimation of heat flux at the chip-tool interface using inverse techniques. Factors which influence the temperature distribution at the AISI M32C high speed steel tool rake face during machining of a ABNT 12L14 steel workpiece were also investigated. The temperature distribution was predicted using finite volume elements. A transient 3D numerical code using irregular and nonstaggered mesh was developed to solve the nonlinear heat diffusion equation. To validate the software, experimental tests were made. The inverse problem was solved using the function specification method. Heat fluxes at the tool-workpiece interface were estimated using inverse problems techniques and experimental temperatures. Tests were performed to study the effect of cutting parameters on cutting edge temperature. The results were compared with those of the tool-work thermocouple technique and a fair agreement was obtained.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:871859

DOI: 10.1155/2014/871859

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