Analysis and synthesis parameters influencing to the effects of impact

Nowadays, to reduce vibrations of machines, damping devices utilize the eddy current damping effect being increasingly investigated for its advantages of no mechanical contact, no viscous liquid required, high reliability, and good damping capacity. This article studied the main principle of the eddy current damping effect for a moving permanent magnet in a stationary and electrically conductive nonmagnetic cylindrical tube. The magnetic damping coefficient is investigated experimentally, analytically, and by numerical simulations in a steady-state. The numerical simulation is performed in the ANSYS Maxwell programme. The obtained results indicate that the damping force affecting the moving magnet has a viscous form. The experimentally measured and computed results are in good agreement. The effect of varying tube diameter and the tube wall thickness on the magnetic damping coefficient is shown. The contribution of this article consists in the development and a comparison of the obtained results of three approaches for determining the magnetic damping coefficient for a moving magnet in a cylindrical tube.

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Strength Computation of Bearing Test Station

Sapieta¹,

Svoboda²

2019

Manufacturing Technology

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The test station is used to determine the fatigue of bearings in passenger cars. The influence of prestressing or axial clerance, the reliability of the locking elements for the axial adjustment, the quality of the seating of the outer ring and the change in the type, quantity or distribution of the lubricant can also be examined. The test station consists of a test unit for the simultaneous testing of two test bearings. The misalignment of the wheel contact point and the center of the bearing is fixed by means of mountable parts. The test bearings are clamped between the flanges at both ends of the test shaft, which is supported by two auxiliary bearings. The numerical simulation with finite element method (FEM) deals with the analysis of the bearing test station, which will be loaded by axial and radial loads.

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Analysis and synthesis parameters influencing to the effects of impact

Cited by 3 publications

References 6 publications

The running gear construction impact on overcoming obstacles by light high-mobility tracked UGV

The running gear construction impact on overcoming obstacles by light high-mobility tracked UGV

Numerical Simulation and Experimental Analysis of the Magnetic Damping Effect generated by a Moving Magnet

Strength Computation of Bearing Test Station

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