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E-641 - Operation, Maintenance & Inspection of Rotating Machinery

10 days MAI/ROTMAINT
Level
Proficiency
Audience
  • Engineers, supervisors and technical staff involved in rotating machinery maintenance, inspection, method, construction
Purpose
  • This training provides an understanding of how machines work, the mechanical aspects, wear and rupture, lubrication, and troubleshooting by knowledge of the general technology of the rotating machinery and auxiliaries (introduction to vibration analysis and other techniques)
  • It provides requisite knowledge to realize inspection and diagnosis of the rotating machinery
Learning Objectives
  • To explain how the machines and their components work
  • To list the mechanical effects of a change in operating conditions
  • To describe the failure modes of each component
  • To participate in the machinery reliability improvement process
Ways and means
  • Functional and practical approach of the rotating machinery
  • Standard and rules remind in mounting, dismantling, geometrical and clearance controls

Technology and operation of main rotating machines 4 days
  • Technology
  • Main parts of the machines: casing, rotor, bearing, coupling
  • Ancillaries: flushing, heating and cooling, lubrication systems.
  • Maintenance: assembly and dismantling procedures, inspection, clearance, adjustment, roughness.
  • Operation and performance
  • Process aspects
  • Operational parameters; head, flow, rpm, efficiency
  • Characteristic curves. Regulation. Start-up, routine monitoring
  • Effect of internal wear
  • Mechanical ans electrical aspects
  • Stresses in machines. Influence on lifespan, on damage
  • Failure prevention; monitoring, repair quality.
Technology and maintenance of machine components 3.5 days
  • Lubrication: purpose, different types of oil and grease; practical aspect
  • Bearings
  • Antifriction bearings: types, lifespan, mounting, applications, related problems.
  • Plain and pad bearings, thrust bearings: operation, maintenance, incidents
  • Coupling and alignment
  • Different types of couplings, related problems
  • Different methods of alignment, tolerances, practical aspects
  • Sealing devices for pumps and compressors
  • Mechanical pump seals, types, operation, related problems
  • Installation, geometrical checks
  • Other seals for positive displacement pumps and reciprocating compressors
  • Rotors and shafts
  • Balancing: eccentricity, tolerances. Assembling on shaft: effect on balancing
  • Geometrical shaft controls
  • Practical exercises
  • Bearing mounting and overhaul. Geometrical shaft control. Shaft alignment
  • Mechanical seal mounting
Forecasting breakdowns 2.5 days
  • Frequent problem: detection and troubleshooting: Internal leakages. Unbalancing. Wear and ruptures
  • Identification of the causes and failure modes of mechanical elements of the rotating machines
  • Management of machinery reliability
  • Reliability centered maintenance
  • Detection of Bad Actors
  • Improving reliability through failure analysis and diagnosis
  • Monitoring the maintenance activity performance