Introduction to Hydraulics

Many industrial fluid power systems use hydraulic as a source of power, but where heavier loads and forces are required then hydraulic systems are used.  Whilst there are many similarities between the two fluid power systems, the use of hydraulics has its own peculiarities in terms of the operating principles, the equipment, and circuit design, the safety issues and basic maintenance and fault finding techniques.

This three-day hydraulics training crash course is ideal for anyone who wants an introduction or a refresher on the basics of fluid power in a short time frame. Basic to intermediate topics are covered, such as theory and formulas, filtration, valves, pumps, pressure control, circuits, and schematics.

This course can be modified to meet customer requirements.

COURSE CONTENT:

  • Hydraulic principles
    • How a hydraulic system works
    • Industrial hydraulic symbols
    • Pumps
    • Basic types of pumps
    • Pump operation principles
    • Hydraulic valves
  • Basic types of valves
    • Pressure control valves
    • Relief valves
    • Simple or direct-acting relief valve
    • Pressure reducing valves
    • Volume control valves
    • Simple restrictor (throttle valve)
  • Valve operation
  • Flow control methods
    • Meter inflow control
    • Meter outflow control
    • Bleed off flow control
  • Directional control valves (dcv’s)
    • Sliding spool-type dcv’s
    • Sliding spool center conditions
    • Large capacity dcv’s
  • Check valves
    • Simple check valve
    • Pilot operated check valve
  • Pressure sequence valves
  • Unloading valve (accumulator charging valve)
  • Valve operation
    • Valve operation (lowering)
    • Valve operation (lifting)
    • Valve operation (suspension)
  • Hydraulic fluids
    • Classification of fluid
    • Properties of hydraulic fluids
    • Viscosity
    • Viscosity index
    • Viscosity – pressure characteristics
    • Hydraulic reservoir (tank)
    • Reservoir (tank) construction
    • Reservoir sizing
    • Filters and filtration
    • Contamination
  • Assessment

Register form

More course