Manufacturing Technology 2023, 23(4):468-474 | DOI: 10.21062/mft.2023.054

Identification of Residual Stresses after Machining a Gearwheel Made by Sintering Metal Powder

Peter Kozový ORCID..., Michal Šajgalík ORCID..., Mário Drbúl ORCID..., Jozef Holubják ORCID..., Jaromír Markovič ORCID..., Richard Joch ORCID..., Róbert Balšianka
Faculty of Mechanical Engineering, University of Žilina. Univerzitná 8215/1, 010 26 Žilina. Slovak Republic

SLS additive technology is an innovative method of metal components production, using a high material proportion. Currently, gearwheels are still one of the most used engineering parts, not only in the automotive, but also in other industries. For example, milling is used to reduce their weight, but the material can be distorted after this operation. The occurrence of cracks propagating in the transition region after induction hardening was the reason for conducting experiments with an alternative machining technology. The article deals with the identification of the influence of machining on residual stress change of a gearwheel made of sintered metal powder. The research focuses on the effect of boring on the residual stresses using a non-destructive measurement method using röntgene diffractometry.

Keywords: Additive Manufacturing, Selective Laser Sintering, Machining, Residual Stress
Grants and funding:

This article was funded by the University of Žilina project 313011ASY4 – "Strategic implementation of additive technologies to strengthen the intervention capacities of emergencies caused by the COVID-19 pandemic"

Received: March 17, 2023; Revised: July 13, 2023; Accepted: July 17, 2023; Prepublished online: July 18, 2023; Published: September 5, 2023  Show citation

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Kozový P, Šajgalík M, Drbúl M, Holubják J, Markovič J, Joch R, Balšianka R. Identification of Residual Stresses after Machining a Gearwheel Made by Sintering Metal Powder. Manufacturing Technology. 2023;23(4):468-474. doi: 10.21062/mft.2023.054.
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