The effect of preload of angular contact ball bearings on durability of bearing system

Kaczor, J.; Raczyński, A.

doi:10.1177/1350650114562485

Cited by 13 publications

(5 citation statements)

References 5 publications

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“…In the applications referring to the phenomena taking place in roller bearings, the calculation models are usually not revealed in detail. The study presents a description of a modelling method elaborated by the authors and applied in the studies [5,7,8] and other. The following simplifying assumptions have been made:…”

Section: Calculation Methodsmentioning

confidence: 99%

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The Influence of Preload on the Work of Angular Contact Ball Bearings

Kaczor¹,

Raczyński²

2016

Archive of Mechanical Engineering

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Optimum values of preload can be achieved in well-tried constructions and then applied in similar structures. For new structures, it is recommended to calculate the preload force and to test the correctness of calculation by means of experiments. In practice it may be necessary to introduce corrections, because not all real work parameters can be precisely known. Credibility of calculations depends, first of all, on the consistence between the assumptions concerning temperature conditions during work and elastic deformations of cooperating elements -first of all of a holder -and the real work conditions. The aim of the study is to determine how preload influences the work of a system of angular ball bearings, in relation to durability of bearing, moment of friction and rigidity of the bearing.

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Section: Calculation Methodsmentioning

confidence: 99%

“…For this reason, another indicator, called the durability of bearing indicator W T , has been introduced. The indicator will be determined according to formula [7]:…”

Section: Fatigue Life Of a Bearingmentioning

confidence: 99%

The Influence of Preload on the Work of Angular Contact Ball Bearings

Kaczor¹,

Raczyński²

2016

Archive of Mechanical Engineering

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“…In the presented work a modelling method devised by the author is described, it is similar to the method for angular contact ball bearings and used in works [20], [21], [22], [23], [24]. Due to the complexity of the problem the following most important simplifying assumptions were made:…”

Section: Assumptions For Analysismentioning

confidence: 99%

Determination of tapered roller bearing system life index considering bearings preload and shaft stiffness

Kaczor

2022

Finnish J. Trib.

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Rolling bearings are considered to be rigid supports of a pinned nature. In fact, rolling bearings develop displacements that depend on the external load and the stiffness of the shaft on which they are supported. In addition, tapered roller bearings use preloading, which has an additional effect on the displacements in the bearings. these displacements affect the internal deformations in the bearings and thus the actual load on the bearing. This paper presents a methodology for determining displacements in bearings and actual loads in bearings, taking into account shaft stiffness and preload clamping. Then the bearing life was determined. Based on the obtained bearing life, the bearing life index was determined for the adopted load variants. On the basis of the results obtained it can be concluded that the consideration of the durability of individual bearings is insufficient, because it usually happens that when the durability of one bearing increases, the durability of the other bearing decreases. According to the author, the best solution is to combine the durability of both bearings and to consider the durability of the whole bearing system, not the individual bearings.

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“…Preloads achieved by the criterions mentioned above are the minimum preloads instead of the optimal preloads. Optimal preload is tough to calculate either because the shaft of HSS is affected by much factors [52]. It is often believed that large initial preload can produce high temperature, this conclusion is true for ordinary spindle, but it is not fully applicable for HSS.…”

Section: Optimal Preloadmentioning

confidence: 99%

Research Development of Preload Technology on Angular Contact Ball Bearing of High Speed Spindle: A Review

Kolář

et al. 2020

Int. J. Precis. Eng. Manuf.

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Preload of angular contact ball bearing (ACBB) is extremely important to high speed spindle, which has a great influence on the spindle's dynamic and thermal characteristics, etc. In this paper, the preload source of ACBB; the main preload principles, methods and their advantages and disadvantages; research progress and development trend of preload device are discussed. On the basis, common criteria for computing and choosing optimal preload; influence of preload on dynamic and thermal properties of bearing and spindle system are discussed as well. The purposes of this paper are to clarify the research idea of preload, and provide a reference for accurately calculating the bearing stiffness under sophisticated conditions, precisely controlling dynamic parameters of high speed spindle, designing preload device with excellent dynamic performance, etc.

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The effect of preload of angular contact ball bearings on durability of bearing system

Cited by 13 publications

References 5 publications

The Influence of Preload on the Work of Angular Contact Ball Bearings

The Influence of Preload on the Work of Angular Contact Ball Bearings

Determination of tapered roller bearing system life index considering bearings preload and shaft stiffness

Research Development of Preload Technology on Angular Contact Ball Bearing of High Speed Spindle: A Review

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