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Lubricating Greases Automotive & Industrial Applications

LUB/LUBGR-E
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Who should attend?

  • This course provides an overview of the antifriction bearings technologies in automotive and industrial transmissions.
  • To provide basic knowledge on greases: description, composition, production, testing methods, lubrication mechanism, classifications and specifications and various properties.
  • To study more particularly the lubrication of bearings with grease, the criteria for the choice of a grease according to the operating conditions.
  • To learn how to identify the failure causes of bearings.
  • To study the lubrication of automotive and industrial transmissions with grease.
Audience :
  • Engineers and technical staff concerned by the development, manufacture, recommendations and use of greases in automotive and industrial organs susceptible to be lubricated with this type of lubricant.
  • Engineers and technical staff of the automotive and mechanical industry.

Level : Advanced

Course Content

  • Lubricating greases

      • Structure and properties following the type.
      • Composition: base oils, thickeners, additives.
      • Characterization: physico-chemical and mechanical testing methods.
      • Classifications and specifications: ISO 6743-9, ISO 12924, DIN 51502, DIN 51825.
      • Manufacture: description of the manufacturing equipment, principles of manufacture, manufacturing steps, packaging and quality control.
      • Grease cleanliness: definition, characterization, manufacturing problems.
      • Description of the different types of greases: properties following the composition, respective advantages and drawbacks, compatibility between greases.

  • Antifriction bearings & lubrication

      • Succinct refresher of bearing technology: different types of bearings according to the loads supported, hub units, tightness of bearings, bearing nomenclature.
      • Bearing lubrication: oil or grease? Modes of application of grease. Mechanism of the lubrication with grease. Choice of a grease according to the functioning conditions. Lubrication intervals and grease quantity to inject. Bearing life: influence of the grease and its cleanliness.
      • Lubrication of automotive hub units.
      • Bearing failures: identification of the different types of failures and root causes.

  • Other applications of greases than antifriction bearings

      • Technology of automotive transmissions: joints (RZEPPA, tripods). Grease for automotive transmissions.
      • Technology of couplings and universal joints and associated greases.
      • Gear greases: enclosed and open gears.

  • Application exercises

      • Exercises of grease definition and selection as a function of the running conditions.

Learning Objectives

  • Upon completion of the course, participants will be able to:
  • understand the main points on grease: structure, properties, production modes, testing methods and performance characterization, different types of greases and criteria for the choice according to the applications,
  • know the applications of grease other than bearings (gears, automotive and industrial transmissions, couplings),
  • recommend a bearing grease according to the operating conditions and to calculate the lubrication intervals and the life time,
  • recognize the bearing failures and identify the origins.

Ways & Means

  • Interactive exercises with the teacher for the determination of a bearing grease, the lubrication intervals, the lifetime calculation of bearings according to the operating conditions.
  • Interactive exercises of questions-answers between the participants using sets of play cards to synthetize the essential points of the lectures.