finite element analysis method of slewing bearing with

Aug 01 2018Gncz et al established a finite element model of a three-row roller slewing bearing with a hardened raceway to evaluate the static carrying capacity The model took into account an arbitrary roller geometry and the raceway material of the slewing bearing which can help manufacturers improve the static load capacity of the slewing bearing The finite element method (FEM) is utilized to ponder the additionally broadly utilized for some huge size slewing direction which are generally worked under low speeds and substantial load conditions 3 Finite elementthe goal a current dynamic bearing model (DBM) was modelling of Roller Bearing Analysis) BEAST (Bearing Simulation Tool)

A new finite element approach for the analysis of slewing

Jan 29 2015A new finite element approach for the analysis of slewing bearings in wind turbine generators using superelement techniques Borkowski S (2013) Determination of static limiting load curves for slewing bearing with application of the finite element methods Mater Eng 20:64–70 A new finite element approach for the analysis of slewing

This article analyzes screw connection of slewing bearings to various structures of support elements The susceptibility of support elements to the load distribution in particular bearing screws was examined by means of the Finite Element Method The load values of screws and their distribution around the perimeter of the combined bearing rings were also specified

The finite element model of a bearing with multipoint fault was simulated to analyze the characteristic frequency of the vibration signal caused by each fault point in detail Liu et al [28 29] proposed a personalized fault diagnosis method based on finite element simulation and extreme learning machine This method could make the fault

This paper investigates the behavior of large diameter bearing bolted joint in order to evaluate fatigue resistance of the screws Based on experimental results a sector of a slewing bearing is modeled using 3D finite elements The model is built via hypothesis of sine-distributed efforts on the roller tracks The simulations are carried out for the most loaded screw which is located in the

Nov 01 2006Analysis of support structures deformation is a complex process Using the finite element methods helps us achieve better results for the contact zones of the roller with the slewing bearing raceway and the equivalent characteristic of the truss element for the slewing bearing FEM model have been worked out by using the earlier

Finite Element Method Applied to the Eigenvalue Analysis

This work deals with a finite element procedure developed to perform the eigenvalue analysis of damped gyroscopic systems represented by flexible rotors supported on fluid film journal bearings The rotor finite element model is based on the Timoshenko beam theory accounting for the shaft rotary inertia and gyroscopic moments The governing equations for the hydrodynamic journal bearing are

The theories and methods of slewing bearing design in wind turbines are not perfect and the field lacks long-term engineering verification To ensure the service life of slewing bearings an accurate fatigue life estimation in the design stage is essential This paper presents a method of testing the fatigue life using a small sample test

In slewing bearings a great number of contact pairs are present on the contact surfaces between the rolling elements and raceways of the bearing Computations to determine the load of the individual rolling elements taking into account the flexibility of the bearing ring are most often carried out using the finite element method

Finite element analysis and basic theory 3D solid model The single-row slewing bearing is mainly composed of outer ring inner ring cage and rolling elements Type 010 40 1000 slewing bearing is taken as the research object and the finite element analysis (FEA) model is established according to the basic dimension para-

Finite element analysis and basic theory 3D solid model The single-row slewing bearing is mainly composed of outer ring inner ring cage and rolling elements Type 010 40 1000 slewing bearing is taken as the research object and the finite element analysis (FEA) model is established according to the basic dimension para-

The finite element model of a bearing with multipoint fault was simulated to analyze the characteristic frequency of the vibration signal caused by each fault point in detail Liu et al [28 29] proposed a personalized fault diagnosis method based on finite element simulation and extreme learning machine This method could make the fault

The finite element method (FEM) is utilized to ponder the additionally broadly utilized for some huge size slewing direction which are generally worked under low speeds and substantial load conditions 3 Finite elementthe goal a current dynamic bearing model (DBM) was modelling of Roller Bearing Analysis) BEAST (Bearing Simulation Tool)

The slewing bearings are subjected to complex loads during the operation In this case the load of the rolling elements is unequal Deformation of the bearing can be calculated by the finite element models in which the rollers are replaced by the link elements

Load Distribution of Cross

Because of cross roller-slewing bearing structure have a certain degree of particularity and two sets of cross rollers is equivalent to two columns roller stack situation therefore it should deduce roller calculation formula for two sets of roller respectively According to the stress of the slewing bearings we proceed load distribution calculation synthetically under the center of bearing

Dec 01 2011In order to gain the interior load distribution and contact stress of the heavy-duty slewing bearing accounting for the supporting structure flexibility and the plastic deformation of the bearing the contact between the rolling element and the raceway was equivalent to an unidirectional compression spring and then the whole simplified finite element model combining the bearing with the

In slewing bearings a great number of contact pairs are present on the contact surfaces between the rolling elements and raceways of the bearing Computations to determine the load of the individual rolling elements taking into account the flexibility of the bearing ring are most often carried out using the finite element method

TEHD Analysis for Tilting-Pad Journal Bearings Using Upwind Finite Element Method Jinsang Kim Mechanical Engineering Department Texas AM University College Station Texas 77843-3123 Alan B Palazzolo Mechanical Engineering Department Texas AM University College Station Texas 77843-3123 Ravindra K Gadangi Mechanical Engineering

The theories and methods of slewing bearing design in wind turbines are not perfect and the field lacks long-term engineering verification To ensure the service life of slewing bearings an accurate fatigue life estimation in the design stage is essential This paper presents a method of testing the fatigue life using a small sample test

Jan 01 2019The main scientific goal of the article is to modernize the methods of designing the rotating mechanisms of working machines (excavators cranes backhoe loaders loaders) and other devices (wind turbines radars radio telescopes drilling machines wastewater treatment plants) in which the construction of the rotate node uses slewing bearings

the finite element method experimental analysis and analytical models slewing bearings using a 3D FE model considering the hard-ening of the raceway the roller geometry and the tilted contact between the roller and raceway segment In this case three

This article analyzes screw connection of slewing bearings to various structures of support elements The susceptibility of support elements to the load distribution in particular bearing screws was examined by means of the Finite Element Method The load values of screws and their distribution around the perimeter of the combined bearing rings were also specified