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High-performance circular sawing of AISI 1045 steel with cermet and tungsten carbide inserts

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Abstract

This work investigated the influence of cutting speed and feed rate on cutting forces, surface roughness, and slot width circular sawing of AISI 1045 steel. The effects of tool material (cermet and tungsten carbide) and geometry (chip breaker flute and pre-cutting/post-cutting teeth) were also investigated. Thrust and radial forces generally tended to decrease as the cutting speed increased and tended to increase with the feed rate. The lowest values of thrust and radial forces were obtained using a tungsten carbide saw ground with precutting and post-cutting teeth. With regard to the quality of the machined wall, the lowest surface roughness was obtained by applying the highest cutting speed and lowest feed rate and employing a cermet brazed saw. Under this condition, roughness values comparable to face turning and parting off operations were obtained. The cermet brazed saw was responsible for producing the narrowest slot widths.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil

    A. M. Abrão & J. C. Campos Rubio

  2. Department of Production Engineering, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, CEP 31270-901, Belo Horizonte, MG, Brazil

    M. C. Moreira & P. E. Faria

Authors
  1. A. M. Abrão
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  2. M. C. Moreira
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  3. P. E. Faria
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  4. J. C. Campos Rubio
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Correspondence to A. M. Abrão.

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Recommended by Associate Editor Jihong Hwang

A. M. Abrão received his Ph.D. from the School of Manufacturing and Mechanical Engineering of the University of Birmingham, UK, in 1995. Currently, he is an associate professor at the Department of Mechanical Engineering of the University of Minas Gerais, Brazil. His main fields of interest are cutting by shearing, nonconventional machining and abrasive processes.

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Abrão, A.M., Moreira, M.C., Faria, P.E. et al. High-performance circular sawing of AISI 1045 steel with cermet and tungsten carbide inserts. J MECH SCI TECHNOL 28, 4275–4282 (2014). https://doi.org/10.1007/s12206-014-0941-5

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  • DOI: https://doi.org/10.1007/s12206-014-0941-5

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