Abstract
In this chapter a model for prediction of cutting forces when turning austenitic stainless steels following the approach of mechanistic models is presented. Mechanistic models, also called semi-empiric, use empiric laws based on the tool geometry and coefficients obtained by experimentation. These coefficients implicitly pick up characteristic data about part and tool materials or tool geometry. Therefore, a series of machining tests is required to calculate these coefficients for each pair tool-workpart, commonly known as characterization tests. This chapter is structured as follows. In Sect. 3.1 a model for prediction of cutting forces without considering the effect of tool wear is presented. This model allows to estimate with reasonable precision the cutting forces. This model can be used, for example, in the scope of machine-tools and fixtures design or optimization of cutting tool geometry. In Sect. 3.2 this model is extended to include the effect of tool wear. So, the model can be used in the scope of monitoring techniques. Both models were developed for turning AISI 303 austenitic stainless steels at high-speed cutting conditions.
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Fernández-Abia, A.I., García, J.B., de Lacalle, L.N.L., Neto, O.P. (2015). Estimation of Cutting Forces and Tool Wear Using Modified Mechanistic Models in High Performance Turning. In: Davim, J. (eds) Traditional Machining Processes. Materials Forming, Machining and Tribology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-45088-8_3
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DOI: https://doi.org/10.1007/978-3-662-45088-8_3
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