Results 1 to 10 of about 70 (67)
A contact analysis for unconventional mounting processes of angular ball bearings
AbstractRigorous protocols must be followed when mounting ball bearings to avoid structural damage and subsequent malfunctioning or unexpected failures. Unconventional mounting procedures may produce excessive contact pressures between the elements of the bearing, therefore the whole process must be well-understood and modelled to prevent unwanted ...
Dreon S., Scalera L., Salvati E.
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The Influence of Preload on the Work of Angular Contact Ball Bearings [PDF]
Abstract 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
Kaczor Jarosław, Raczyński Andrzej
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Analysis of the Ball Load in Angular Contact Ball Bearings during Operations.
Spindles used in machine tools, especially machining centers, must operate at high speeds with high stiffness and low temperature rise in order to achieve improvements in productivity and accuracy of the machine. Usually, preloaded angular contact ball bearings are used to satisfy these requirements.
FUJII, Kenji +2 more
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Motion of a Ball in the Angular-contact Ball Bearing
The behaviour of a ball in a ball bearing was observed through flux change caused by a magnetized ball. An angular-contact ball bearing of the type 7307 B was used in the experiment. Under pure thrust load, the ball makes a complicated three-dimensional motion.
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Contact characteristics analysis of angular contact ball bearings with local defect
The contact angle and load distribution are important indicators for reflecting the operating condition of the angular contact ball bearing (ACBB). However, the raceway with local defect may cause serious diversification of contact angle and contact load.
Endian Xu, Lihua Yang, Bo Yu
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EFFECT OF PRELOAD OF ANGULAR CONTACT BALL BEARINGS ON LIFE OF BEARINGS
Angular contact ball bearings are commonly used in such situations when you need to reach high bearing stiffness. However, a significant stiffness increase can be achieved only through the introduction of preload to the angular contact bearings. The purpose of this paper is to present a method for assessing the effect of preload of the angular contact ...
Andrzej RACZYŃSKI, Jarosław KACZOR
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Investigation of ball vibrations in angular contact ball bearings
In this study, a shaft-bearing model is developed in order to investigate ball vibrations in case of defected and undefected ball bearings. In this model, shaft-bearing couple is considered as a mass-spring system and balls are massless. It is well known that the behavior of the system has a nonlinear character under dynamic conditions.
Arslan, Hakan, Aktürk, Nizami
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Frictional Torque Characteristic of Angular Contact Ball Bearings
Based on the dynamics and thermodynamic analysis of angular contact ball bearings,the theoretical computational formulae of the friction torque of angular contact ball bearings are obtained with the law of energy conservation.The theoretical analysis and the experimental verification for the effects of the structural parameters,operation condition on ...
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Study on the Wear Characteristics of Angular Contact Ball Bearings
For the wear of rolling bearings, this paper establishes a wear model of angular contact ball bearings based on the proposed static mechanics of rolling bearings, kinematics of rolling bearings and Archard's wear theory, studies the wear of bearings, and analyses the effects of rotational speed, load and structural parameters on the wear of bearings ...
Mengjiao Lv, Kun Ni, Ruigang Lu
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Motion of a Ball in the Angular-Contact Ball Bearing (2nd Report)
HIRANO, Fujio, KAWAKITA, Kazuaki
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