Abstract
In order to create a combined technology for processing cast iron products using deforming broaching, the processes occurring in the deformation zone have been investigated from the point of view of exhaustion of the plasticity resource. A technique has been developed for studying the stress-deformed state parameters of the surface layer during processing by deforming broaching of workpieces made of SCH20 cast iron. The presence of local plastic deformation zones in the contact zone under critical contact pressures has been proved. The appearance of a zone of local plastic deformation creates conditions for intensive depletion of the plasticity resource of the processed material. The regularities of changes in the plasticity resource in all zones of the deformation zone have been established. The deformation mechanics in the deformation zone have been studied, and the ways of optimizing the tool’s design and the process of deforming broaching by the resource of plasticity used parameter have been established. The design of a deforming tool is proposed, which makes it possible to increase the plasticity resource used when processing cast iron products due to the presence of a curved section, the parameters of which correspond to the zone of local plastic deformation.
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Shepelenko, I., Nemyrovskyi, Y., Mahopets, S., Lizunkov, O., Osin, R. (2023). Features of Deformation Mechanics in the Deformation Zone During Deforming Broaching of Cast Iron Workpieces. In: Tonkonogyi, V., Ivanov, V., Trojanowska, J., Oborskyi, G., Pavlenko, I. (eds) Advanced Manufacturing Processes IV. InterPartner 2022. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-031-16651-8_20
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