MEMT-6 Vibração por Fricção

7.1.5.- TRIBOLOGIA (ATRITO, DESGASTE, LUBRIFICAÇÃO) 14.1.5.- TRIBOLOGIA (ATRITO, DESGASTE, LUBRIFICAÇÃO)
FRICTION VIBRATION - MEMT-6

SISTEMAS INOVADORES

This module allows to demonstrate the static friction, the sliding friction, the related friction vibrations and the slip-stick effects.

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Expansões

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Descrição Geral

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. This cord is coupled to force measuring devices with a force sensor via a tension spring. An open vessel surrounds the friction disc to place different lubricants.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

  1. Demonstration of the transition from static friction to sliding friction.
  2. Study of the influence of lubrication on stick-slip effects.
  3. Study of the influence of the force between the components on the stick-slip effects.
  4. Study of the influence of the relative speed of the components on the stick-slip effects.

ELEMENTOS NECESSÁRIOS

EQUIPAMENTOS SIMILARES DISPONÍVEIS

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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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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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ROLLING FRICTION IN WHEELS - MEMT-4
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Atrito por Rolamento em Rodas
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...
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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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