3-days basis-training

Content

Lubrication, friction and wear

• Lubrication and formation of lubricating film
• Hydrodynamic and hydrostatic lubrication
• Importance of viscosity and temperature
• Wear mechanisms and their causes

Fundamentals of lubricants and hydraulic fluids

• Mineral oils, partially synthetic and synthetic oils in comparison
• Charactersitics and areas of application of Mineral oils, hydrocrack, PAO, Ester oils and polyglycols, especially in the area of hydraulic oils and fluids
• Miscibility and compatibilty of different oil types
• Types, active principle and application of lubricants addtives
• Special requirements in the food and feeding industry 
• Ecologic relevance of lubricants

Hydraulic fluids

• Specifications and characteristics
• Norms, Oil types and their areas of application
• Miscibility of hydraulic fluids
• Compatibility of normed oil types

Environmentally compatible hydraulic fluids (Biologic oils)

• Basic oils
• Norms, releases, specifications, eco labels
• Oil changing concepts
• Miscibility and compatibility
• Mixing and external oil portion

Operational transformations of hydraulic fluids

• Application specific demands and oil ageing
• Oil oxidation, hydrolysis and cracking
• Reduction of antioxidants, and other additives
• Contamination: water, dust external oils
• Air Content and foam formation
• Diesel effect and cavitation
• Visible changes: Cloudiness, discoloration, varnish
• Mixing with unsuitable oil

Filtration and oil care

• Oil change and oil care
• Oil purity, life cycle and reliability
• Filter types: mode of operation and areas of application
• Elimination of solid and fluid contaminations
• Oil care concepts, in-operation and initial operation filtration

Oil analysis and hydraulic fluids

• Oil analysis
  Why, when, how, how often, how many?
  Methods and devices for sampling
  Required data, grease sampling datasheet 
  Online portal: lab report, data entry, enquiries
  Data migration into a maintenance program
• Analysis methods
  Areas of application and significance of analysis methods
  Identification of wear metals, PQ-Index
  Characteristics for oil condition: viscosity, FT-IR analysis, oxidation, NZ, color scale
  Determination of  purity level
  Counting procedures: laser, O.P.A., microscope
  Additiv reduction: antioxidants, FT-IR and RULER
  Contamination: water, particle counting and level of purity, mud, external oils, miscibility
  Specialities in the analysis of biooils and flame resisting hydraulic fluids
• Evaluation and Interpretation of lab reports
  Define warning and Limit values
  Recognize known oil types on lab reports
  Interpretation of real-life examples