MODELING THE THERMAL PHENOMENA IN THE FRICTION PROCESS OF THE SLIDING BEARING
Journal Title: Tribologia - Year 2015, Vol 264, Issue 6
Abstract
Thermal imaging tests allow for precise location of improperly operating elements of machines and devices. This is particularly important in elements of bearing systems where relative rotational movement causes the release of a significant quantity of heat. The study shows the possibility of using thermal imaging to monitor the phenomena occurring during the process of friction. Thermal model of a plain bearing presented in the work may also be used to determine the basic friction characteristics of the bearing. To achieve the assumed tasks, the original diagnostic test stand has been built that enables the registration and recording of temperature distribution in sliding bearings. The stand is presented in the paper along with tests results in the form of thermal images for the bearing operating both as loaded and unloaded. The comparative tests have been made both for bearings lubricated by an oil of viscosity grade VG46 and operating in technically dry friction condition. For the analysis of the temperature distribution was used the computer program FLIR QuickReport. The analysis was a base for specification some conclusions of the work.
Authors and Affiliations
Dariusz LEPIARCZYK, Wacław GAWĘDZKI, Jerzy TARNOWSKI
THE INFLUENCE OF CUTTING FLUID APPLICATION ON SURFACE LAYER CONDITION OF GEARS GENERATED BY HOBBING
In this paper, experimental results concerning influence of different strategies of cutting fluid application on surface layer condition of the gear’s tooth flank generated by hobbing are described. Experimental tests we...
THE INFLUENCE OF ADDED WATER ON FUEL INJECTOR WEAR IN A DIESEL ENGINE
The article presents the problem of the wear of the components of injection apparatus of a self-ignition engine during the addition of water. The observer was subject to an injector from the KIPOR KDE3500E generator set...
COMPARISON OF OPERATING CHARACTERISTICS OF THE MULTIFUNCTIONAL STOU-type UNIVERSAL OIL AND CONVENTIONAL SPECIALIZED LUBRICANTS
The aim of the study was to compare the operating characteristics of the multifunctional STOU-type oil (Super Tractor Oil Universal) and classic specialized lubricants produced by the same manufacturer. The study compare...
LIQUID PHASE PRESENCE IN THE CONTACT ZONE OF TOOL AND TITANIUM ALLOY DURING DIE FORGING AS A SOURCE OF A CATASTROPHIC WEAR MECHANISM
The wear mechanisms of titanium alloy forging and tool steel used for die forging are presented. Materials for the investigations were 55NiCrMoV7 tool steel and Ti6Al4V titanium alloy. The die forging process was perform...
IMPACT OF ADHESION AND VISCOSITY FORCES ON FRICTION VARIATIONS IN BIO-TRIBOLOGICAL SYSTEMS
The classical theory of lubrication holds that the lubricant dynamic viscosity increments cause the increments of hydrodynamic pressure, as well as friction forces and wear. In the case of high values of hydrodynamic pre...