Hybrid machining of roller bearing inner rings by hard turning and deep rolling

Maiß, Oliver; Denkena, Berend; Grove, Thilo

doi:10.1016/j.jmatprotec.2015.11.029

Cited by 27 publications

(10 citation statements)

References 13 publications

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“…Additionally, a combination of the turning and deep rolling processes was developed, as shown by Denkena et al (2016b) and Maiß et al (2016). In this case, a deep rolling tool is combined with a cutting insert in one tool, merging the aforementioned sequential steps in one to increase efficiency (Maiß et al, 2016). The process was compared to hard turning and subsequent deep rolling by Denkena et al illustrating the feasibility of the approach (Denkena et al, 2016b).…”

Section: Test Specimen Preparation and Test Equipmentmentioning

confidence: 99%

Studies on the Influence of Residual Stresses on the Fatigue Life of Rolling Bearings in Dependence on the Production Processes

2020

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The production process significantly influences the surface properties of rolling element bearings raceways. Deep rolling can induce a depth dependent residual stress state. Previous numerical and experimental studies have shown that rolling bearings fatigue life can be positively influenced by high compressive residual stress to a depth of around 300 µm from the surface. By extending the components life, the resource efficiency of machine components can be increased. In order to determine the influence of the residual stress state in bearing fatigue life, a calculation method was developed for predicting the bearing fatigue life. This method was validated for hard-turning and subsequent deep rolling by experiments on a test rig in four-bearing configuration under radial load. An increase of the L 10 bearing life by a factor of 2.5 has been achieved by inducing residual stresses on the bearing's inner ring. Due to similar process control, the manufacturing steps turning and deep rolling were combined. Bearings were manufactured combining the processes hard-turning and deep rolling (called turn-rolling). The heat from the hard machining has an effect on the residual stresses in the bearing subsurface, thus further altering the magnitude and maximum depth of the residual stress influencing the microstructure. With these bearings, the additional fatigue life was determined experimentally and compared to the results of the bearings produced by hard-turning and subsequent deep rolling. It could be shown, that the process of hard turning and subsequent deep rolling has highest potential to achieve improved bearing fatigue life. These findings were transferred to a "Tailored Forming" shaft with integrated raceway in a second step. In this case, a shaft made of mild steel is combined with a cladding layer of high strength bearing steel to be used as a bearing raceway.

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Section: Test Specimen Preparation and Test Equipmentmentioning

confidence: 99%

Studies on the Influence of Residual Stresses on the Fatigue Life of Rolling Bearings in Dependence on the Production Processes

2020

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“…Some studies show that hybrid machining techniques are also involving turning and burnishing processes. This new machining concept, based on the combination of processes, is able to exploit the high potential of each process providing large flexibility (Maiß, Denkena & Grove, 2016). Furthermore, as an example, recent works discuss about burnishing of complex shaped components in force feedback control, thus keeping burnishing force constant, as it has been recognized as a major influencing process parameter with respect to surface integrity (Cao, Zhu, Tanaka, Shiou, Sawada & Yoshioka, 2019).…”

Section: Literature Reviewmentioning

confidence: 99%

Burnishing of AM materials to obtain high performance part surfaces

Sanguedolce

Rotella

Saffioti

et al. 2022

JIEM

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Purpose: This paper aims to provide a flexible solution to include additive manufacturing into a process chain complying with Industry 4.0 pillars, overcoming major drawbacks in terms of reliability and experimental effort.Design/methodology/approach: The study is based on the combination of real experimental activities and simulated ones.Findings: The main findings of this work consist of validation of the proposed process chain, which proves to be effective in terms of process flexibility (additive manufacturing, burnishing and process simulation acting synergistically), cost and time reduction and final output quality, encouraging customer involvement towards customization.Originality/value: This paper contributes to current research on the application of burnishing process, an easy way to implement and environmental friendly post-processing method to improve the performance of AM products, by providing a unique perspective integrating a reliable simulation model. Other researchers can use these outcomes towards manufacturing of the future.

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Section: Test Specimen Preparation and Test Equipmentmentioning

confidence: 99%

Contact Mechanics Perspective of Tribology

2021

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Hybrid machining of roller bearing inner rings by hard turning and deep rolling

Cited by 27 publications

References 13 publications

Studies on the Influence of Residual Stresses on the Fatigue Life of Rolling Bearings in Dependence on the Production Processes

Studies on the Influence of Residual Stresses on the Fatigue Life of Rolling Bearings in Dependence on the Production Processes

Burnishing of AM materials to obtain high performance part surfaces

Contact Mechanics Perspective of Tribology

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