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 greases
Types, active principle and application of lubricants addtives
Grease thickener: Soap based and soap-free thickener, characteristic and important applications of particular thickener
Miscibility and compatibilty of greases (basic oils, thickener, additives)
Application of greases
Grease lubrication of rolling bearings Approach and criteria for selection of grease Base oil viscosity and lubrication conditions Thickener and consistency class Normed grease types and their areas of application Grease usage duration: Relubrication terms and amount Constructive hints for relubrication Approach for changes of grease types Special requirements in the food and animal feed industry Ecological relevance of greases
Characteristics of greases Penetration and consistency class, workstability Base oil viscosity and viscosity-temperature-behaviour Characteristics for assessment of wear protection features Grease checking machines like VKA, Timken, SRV, FE-8, FE-9 DN-value (dm n-value), shear viscosity Dispensability, flow pressure, breakaway torque Deep temperature charateristics Bleeding of grease behaviour
Lubrication equipment Manual, half-automatic and automatic lubrication Monitoring of relubrication Lubricant box Central lubrication systems
Operational changes of greases Aeging process of greases Transformations of base oils: oxidation, hydrolysis, cracking Reduction/consumption of additives Bleeding of greases Transformations of thickeners Varnish: Water, dust, external greases, external oils Condition Monitoring of grease lubricated components
Grease 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 techniques for greases Identification of wear metals, PQ-Index Findings from FTIR-spectroscopy Varnish: water, dust, bleeding, harden, macerate Blending
Evaluation and interpretation of lab reports
Define warning and limit values
Recognize known grease types on lab reports
Interpretation of real lab reports
Damage analysis: complexity and pattern recognition
Recognition of environmental conditions
Consider custom-designed specifications
Group work, exercises with uncommented lab reports
Handling of typical external and internal requests
Additional analysis methods
Differences of routine analysis and specific analysis
Determination of special analysis extent by various examples
Flow pressure, bleeding, oil separation
Extraction of base oil and following analysis
Grease thickenerl, sulfate ash
VKA, SRV-Test
Services included:
Participation in training
Hot lunch on all days
Coffee/tea and snacks during breaks
Non-alcoholic beverages during training
Detailed training material, printed and on USB Memory stick
Save OilDoc contact
