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MEMT-5 Lubrification Elastohydrodynamique
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
14.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
SYSTEMES INNOVANTS
NOUVELLES LIÉES
Description Générale
This unit allows to investigate the thickness and characteristics of a lubricant film on a rolling sphere.
The unit consists in a steel sphere and a driven glass disc.
The sphere is pressed against the underside of the glass disc. The light from a reflected light microscope passes through the glass disc and the lubricant film at the point of contact, then, it is reflected from the surface of the sphere. The lubricant film thickness is determined visually from the colors of the interference rings produced. The microscope can be adjusted using a movable support, adjustable in x-y and has a focus adjustment. A defined pressure can be applied to the sphere. This pressure can be adjusted with a lever.
Des exercices et pratiques guidées
EXERCICES GUIDÉS INCLUS DANS LE MANUEL
- Study of the elastohydrodynamic behavior of a lubricant film between a rolling sphere and a disc.
- Determination of the lubricant film thickness at the point of contact between a sphere and a disc.
- Comparison of the experimental lubricant film thickness with theoretical values.
- Study of the influence of load on the lubricant film thickness.
- Study of the influence of speed on the lubricant film thickness.
UNITÉS SIMILAIRES DISPONIBLES
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-1
This unit allows the visualization of the radial pressure distribution in a journal bearing with hydrodynamic lubrication.The "MEMT-1" unit consists of a journal bearing with hydrodynamic lubrication, a freely moving bearing housing with thirteen...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-2
Friction Dynamique d'un Cylindre sur un Rouleau
This unit allows to demonstrate the friction forces between several cylinders of different materials and a roller under different lubrication conditions.The "MEMT-2" unit consists of two levers that transmit a force applied by weights to a test...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-3
Friction Dynamique d'une Goupille sur un Disque
This unit allows to study the friction forces between several vertical friction pins of different materials and a rotating friction disc.The end of each vertical pin is made of a different material and rubs against the rotating steel disc. The...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-4
Friction par Rotation sur des Roues
This module allows to determine the slip forces between two rotating friction discs in contact.The slip between the discs is maintained constant by a gearbox. The pressure can be adjusted with a lever and a set of weights. The unit includes a...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-6
Vibration / Friction
This module allows to demonstrate the static friction, the sliding friction, the related friction vibrations and the slip-stick effects.Several weights are placed on a horizontally rotating friction disc. It is prevented from turning by a cord....
EQUIPEMENT COMPLEMENTAIRE
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MCF
Unité de Friction sur Courroie
The Belt Friction Unit, "MCF", allows us to carry out studies and investigations to compare the driving torque for a given degree of overlap of a flat belt (leather or rope) and a V belt.With this unit the relationship between the tensions in the...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEF
Unité d'Étude de Friction
The Friction Study Unit, "MEF", allows the unit to illustrate the friction force by simple demonstrations.It is designed for the study of the relations between friction forces and normal forces, between hard or soft surfaces, between lubricated or...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MPCO
Unité d'Étude de la Distribution de Pression en Roulements
The Journal Bearing Unit, "MPCO", allows to study the pressure distribution in sliding bearings. It illustrates the principle of hydrodynamic lubrication.The unit is mounted on a metallic structure assembled on wheels for its mobility.The sliding...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT
Unité Modulaire de Tribologie
The Tribology Modular Unit, "MEMT", consists of a base unit with electronic console and a series of experimental units to investigate and visualize tribological phenomena.MEMT-UB. Drive Unit for Tribological Tests. This unit is common for the...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-UB
Unité d'Entraînement pour les Tests Tribologiques
This unit is common for the modules type "MEMT". It consists of a base unit and an electronic console:The Base Unit consists of a drive unit formed by a DC motor with a shaft. The motor is mounted in a reduction gear, obtaining enough torque in...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-1
Distribution de la Pression Radiale dans un Palier
This unit allows the visualization of the radial pressure distribution in a journal bearing with hydrodynamic lubrication.The "MEMT-1" unit consists of a journal bearing with hydrodynamic lubrication, a freely moving bearing housing with thirteen...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-2
Friction Dynamique d'un Cylindre sur un Rouleau
This unit allows to demonstrate the friction forces between several cylinders of different materials and a roller under different lubrication conditions.The "MEMT-2" unit consists of two levers that transmit a force applied by weights to a test...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-3
Friction Dynamique d'une Goupille sur un Disque
This unit allows to study the friction forces between several vertical friction pins of different materials and a rotating friction disc.The end of each vertical pin is made of a different material and rubs against the rotating steel disc. The...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-4
Friction par Rotation sur des Roues
This module allows to determine the slip forces between two rotating friction discs in contact.The slip between the discs is maintained constant by a gearbox. The pressure can be adjusted with a lever and a set of weights. The unit includes a...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MEMT-6
Vibration / Friction
This module allows to demonstrate the static friction, the sliding friction, the related friction vibrations and the slip-stick effects.Several weights are placed on a horizontally rotating friction disc. It is prevented from turning by a cord....
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MCD
Unité de Cylindre Mince
The Thin Cylinder Unit, "MCD", has been developed to enable the student to verify various analytical formulae with actual measured results. Strain gauges mounted in various positions and orientations on the cylinder provide an opportunity for...
7.1.5.- TRIBOLOGIE (FRICTION, USURE, LUBRIFICATION)
MBF
Unité pour l'Étude du Frottement Porteur
L'Unité pour l'Étude du Frottement Porteur, "MBF", a été conçu par EDIBON pour étudier le frottement des roulements à billes et des roulements à rouleaux. Puisque le frottement de roulement est très faible, les essais de base de dynamique de...