In predictive maintenance, vibration signal analyses are frequently used to diagnose
reducer failures because these analyses contain information about the conditions of the …

The effect of water contamination on the lubrication has been described in several studies.
Water has been defined as a dangerous contaminant which has a very detrimental impact …

The introduction of biodiesel to commercial diesel is being increased every year. The need
to check this addition to the engine and lubricant is important for automakers and internal …

In internal combustion engines, studies of the effects of fuel adulteration focus on problems
that occur in the fuel system and pollutants, but little attention is paid to lubricants. Some of …

Prior research with zinc dialkyl dithiophosphate (ZDDP) additive has shown that higher
relative humidity can result in higher wear. In order to validate this phenomenon, a …

Two different lubricants containing zinc dialkyldithiophosphate (ZDDP) additive were tested
in a rolling–sliding contact test rig (micropitting rig) at different relative humidities. The effect …

Among all predictive maintenance techniques the oil analysis and vibration analysis are the
most important for monitoring some mechanical systems. The integration of these …

Among the techniques for Predicitive Maintenance of Reducers, the most used are the oil
analysis and vibration analysis, and the simultaneous use of both of these provides accurate …

The dynamism of the reliability of machines and equipment has the objective of availability,
leading to the development of several techniques of predictive maintenance, to define the …

Este trabalho tem como objetivo propor o desenvolvimento de um dispositivo de
microdesgaste abrasivo de esfera deslizante em superfície plana de baixo custo e que …