Wear Analysis of Additively Manufactured Slipper-Retainer in the Axial Piston Pump

Klimek, Agnieszka; Kluczyński, Janusz; Łuszczek, Jakub; Bartnicki, A.; Grzelak, Krzysztof; Małek, Marcin

doi:10.20944/preprints202202.0063.v1

2022

DOI: 10.20944/preprints202202.0063.v1

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Wear Analysis of Additively Manufactured Slipper-Retainer in the Axial Piston Pump

Agnieszka Klimek¹,

Janusz Kluczyński²,

Jakub Łuszczek³

et al.

Abstract: The paper contains the results of the 100-hour test campaign of the Additive Manufactured (AM) spare part (retainer – slipper) dedicated for an exact axial piston pump. The material of the retainer-slipper has been identified by using energy dispersive spectroscopy and replaced by other – with similar material properties as the original one. The obtained spare part had been subjected to only one postprocessing type (sandblasting) to analyze the influence of the rough part after the AM proce… Show more

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Cited by 2 publications

References 31 publications

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Surface Properties and Tribological Behavior of Additively Manufactured Components: A Systematic Review

et al. 2023

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Innovative additive manufacturing processes for resilient and sustainable production will become even more important in the upcoming years. Due to the targeted and flexible use of materials, additive manufacturing allows for conserving resources and lightweight design enabling energy-efficient systems. While additive manufacturing processes were used in the past several decades mainly for high-priced individualized components and prototypes, the focus is now increasingly shifting to near-net-shape series production and the production of spare parts, whereby surface properties and the tribological behavior of the manufactured parts is becoming more and more important. Therefore, the present review provides a comprehensive overview of research in tribology to date in the field of additively manufactured components. Basic research still remains the main focus of the analyzed 165 papers. However, due to the potential of additive manufacturing processes in the area of individualized components, a certain trend toward medical technology applications can be identified for the moment. Regarding materials, the focus of previous studies has been on metals, with stainless steel and titanium alloys being the most frequently investigated materials. On the processing side, powder bed processes are mainly used. Based on the present literature research, the expected future trends in the field of tribology of additively manufactured components can be identified. In addition to further basic research, these include, above all, aspects of process optimization, function integration, coating, and post-treatment of the surfaces.

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Surface Properties and Tribological Behavior of Additively Manufactured Components: A Systematic Review

et al. 2023

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Performance Analysis of Additively Manufactured Hydraulic Check Valves with Different Postprocessing

Klimek,

Kluczyński,

Łuszczek

2023

Materials

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Due to the need to use very precise manufacturing processes, hydraulic applications are one of the most demanding parts in production. Such a feature requires using molded and properly machined parts. On the other hand, such an approach makes hydraulic parts very heavy and requires the use of large amounts of material. One of the most promising manufacturing technologies that could be a real alternative to hydraulic parts production is additive manufacturing (AM). This paper aims to study how the AM process affects the performance properties of the as-built state, and investigate changes after different types of postprocessing in the case of hydraulic check valves. Based on the obtained results, using proper postprocessing is a crucial feature of obtaining check valves that perform their functions in a hydraulic system. In as-built parts, the surface roughness of the valve seats significantly exceeds the acceptable range (almost nine times—from 4.01 µm to 33.92 µm). The influence of the surface roughness of the valve seats was verified via opening pressure and internal leakage tests based on ISO standards. The opening pressures in all tested samples were similar to those in the conventionally made counterparts, but in the case of internal leakage only a fully finished AM valve revealed promising results. The obtained results could be useful for various enterprises that are seeking weight reduction possibilities for their low-volume manufactured products.

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Wear Analysis of Additively Manufactured Slipper-Retainer in the Axial Piston Pump

Cited by 2 publications

References 31 publications

Surface Properties and Tribological Behavior of Additively Manufactured Components: A Systematic Review

Surface Properties and Tribological Behavior of Additively Manufactured Components: A Systematic Review

Performance Analysis of Additively Manufactured Hydraulic Check Valves with Different Postprocessing

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