This paper inspects the misaligned of shaft by using diagnostic medium such as current and vibration. Misalignments in machines can cause decrease in efficiency and in the long-run it may cause failure because of unnecessary vibration, stress on motor, bearings and short-circuiting in stator and rotor windings. In this study, authors investigate the onset of instability on a shaft mounted on jo...

1. INTRODUCTION Porous journal bearings are a common and economic solution for lubrication applications where maintenance and access to the system are restricted or difficult. This work aims to provide the engineer with a validation of the theoretical model and simulation results put forward in an earlier study [1] with those obtained by recent experiments performed with industrially used beari...

Flux coupling in heteropolar magnetic bearings permits remaining active coils to assume actions of failed coils to produce force resultants identical to the un-failed actuator. This fault-tolerant control usually reduces load capacity because the redistribution of the magnetic flux which compensates for the failed coils leads to premature saturation in the stator or journal. A distribution matr...

The condition for the appearance of additional dynamic forces in presence gaps journal bearings jaw crusher is determined. design backlash eliminator equipped with pneumatics described. It was experimentally established that use pneumatic devices elimination interfaces moving links, using bearings, during operation crusher, reduce magnitude accelerations and, therefore, increase reliability as ...

Abstract Hydrodynamic herringbone-grooved journal bearings (HGJBs) are analyzed by solving Navier–Stokes and energy equations. It is well known that the load capacity of hydrodynamic may be affected high temperatures low oil viscosity. Therefore, main objective this study to understand pressure distribution HGJBs under different viscosity eccentricity ratios. In paper, 3 configurations studied,...