MEMT-4 Atrito por Rolamento em Rodas

7.1.5.- TRIBOLOGIA (ATRITO, DESGASTE, LUBRIFICAÇÃO) 14.1.5.- TRIBOLOGIA (ATRITO, DESGASTE, LUBRIFICAÇÃO)
ROLLING FRICTION IN WHEELS - MEMT-4

SISTEMAS INOVADORES

The Rolling Friction in Wheels unit ,"MEMT-4", allows to determine the slip forces between two rotating friction discs in contact.

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Expansões

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Descrição Geral

This unit 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 vessel for supplying lubricant. A force sensor measures the friction forces as a function of the load, the rotating speed and the lubricant. Several knurled screws enable to change the rotating friction discs easily.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

  1. Investigation of friction forces as a function of the load.
  2. Investigation of friction forces as a function of the lubrication.

ELEMENTOS NECESSÁRIOS

EQUIPAMENTOS SIMILARES DISPONÍVEIS

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Distribuição de Pressão Radial em Rolamento Deslizante
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...
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DYNAMIC FRICTION OF A CYLINDER ON A ROLLER - MEMT-2
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Fricção Dinâmica de um Cilindro em um Rolo
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...
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DYNAMIC FRICTION OF A PIN ON A DISC - MEMT-3
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Fricção Dinâmica de um Pino em um Disco
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...
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ELASTOHYDRODYNAMIC LUBRICATION - MEMT-5
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Lubrificação Elastohidrodinâmica
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...
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FRICTION VIBRATION - MEMT-6
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Vibração por Fricção
This unit 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. This...
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