Abstract
In the metal cutting process, a blocked chip needs to be avoided as it leads to low tool life, poor machined surface quality, and large cutting force, whereas an unbroken chip may scratch the machined surface and hinder efficient chip removal in metal cutting. For finishing machining of Fe-Cr-Ni stainless steel, the chips will not be broken easily without chip breakers. Therefore, in this paper, two-dimensional (2D) finite element models of orthogonal cutting were built with finite element software, AdvantEdge, to optimize the chip breaker parameters for finishing machining of Fe-Cr-Ni stainless steel. An optimized methodology was proposed and the chip breaker was optimized based on chip curl radius, tool stress, temperature, and cutting force. The smaller groove height of chip breaker is recommended with low cutting speed and large feed rate, while the larger groove height of chip breaker is recommended with high cutting speed and small feed rate. Other chip breaker parameters were also optimized.
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Liao, T., Jiang, F., Guo, B. et al. Optimization and influence of the geometrical parameters of chip breaker for finishing machining of Fe-Cr-Ni stainless steel. Int J Adv Manuf Technol 93, 3663–3675 (2017). https://doi.org/10.1007/s00170-017-0730-2
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DOI: https://doi.org/10.1007/s00170-017-0730-2