MEMT Tribology Modular Unit

TRIBOLOGY MODULAR UNIT - MEMT

INNOVATIVE SYSTEMS

The Tribology Modular Trainer "MEMT" consists of a Base Unit with Electronic Console and a series of Experimental Modules to investigate and visualize tribological phenomena.

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General Description

The Tribology Modular Trainer "MEMT" consists of a Base Unit with Electronic Console and a series of Experimental Modules to investigate and visualize tribological phenomena.

  1. MEMT-UB. Drive Unit for Tribological Tests.Experimental Modules:
  • MEMT-1. Radial Pressure Distribution in a Journal Bearing.
  • MEMT-2. Dynamic Friction of a Cylinder on a Roller.
  • MEMT-3. Dynamic Friction of a Pin on a Disc.
  • MEMT-4. Rolling Friction in Wheels.
  • MEMT-5. Elastohydrodynamic Lubrication.
  • MEMT-6. Friction Vibration.

Accessories

Exercises and guided practices

GUIDED PRACTICAL EXERCISES INCLUDED IN THE MANUAL

Base Unit, along with the corresponding Experimental Modules,enables the following experiments:

MEMT-1. Radial Pressure Distribution in a Journal Bearing.

  1. Demonstration and visualization of the radial pressure distributionin a journal bearing with hydrodynamic lubrication.
  2. Investigation of the pressure distribution in the journal bearingdepending on the bearing gap width.
  3. Investigation of the pressure distribution in the journal bearingdepending on the speed.
  4. Study of the stability limit as a function of the gap width.

MEMT-2. Dynamic Friction of a Cylinder on a Roller.

  1. Demonstration of friction forces between several pins of differentmaterials and a rotating friction disc under different lubricationconditions.
  2. Investigation of the friction forces for several pairs of frictionmaterials.
  3. Investigation of the friction forces for different speeds of therotating disc.
  4. Investigation of the friction forces with several loads.
  5. Investigation of the friction forces for different lubricationconditions.
  6. Study of the wear coefficient for different friction parameters.
  7. Study of the wear and wear rate for different friction parameters.

MEMT-3. Dynamic Friction of a Pin on a Disc.

  1. Study of the friction forces between several vertical pins ofdifferent materials and a rotating friction disc.
  2. Investigation of the friction forces for several pairs of frictionmaterials.
  3. Investigation of the friction forces for several loads.
  4. Investigation of the friction forces with different lubricants.
  5. Investigation of the friction forces at different speeds of therotating disc.
  6. Study of the wear for different friction parameters.

MEMT-4. Rolling Friction in Wheels.

  1. Determination of the slip forces between two rotating discs incontact.
  2. Investigation of friction forces as a function of the load.
  3. Investigation of friction forces as a function of the operatingspeed.
  4. Investigation of friction forces as a function of the lubrication.

MEMT-5. Elastohydrodynamic Lubrication.

  1. Study of the elastohydrodynamic behavior of a lubricant filmbetween a rolling sphere and a disc.
  2. Determination of the lubricant film thickness at the point ofcontact between a sphere and a disc.
  3. Comparison of the experimental lubricant film thickness withtheoretical values.
  4. Study of the influence of load on the lubricant film thickness.
  5. Study of the influence of speed on the lubricant film thickness.

MEMT-6. Friction Vibration.

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