Practical Hydraulic & Pneumatic Systems: Operations and Troubleshooting

THE WORKSHOP

This information packed practical workshop on hydraulics and pneumatics will enhance your knowledge of the fundamentals, improve your maintenance programs and help you become an excellent troubleshooter of the problems in this area. No matter what hydraulics or pneumatics applications you are working on, and what the level of your knowledge, the workshop will be highly beneficial to you.

The practical hydraulics and pneumatics workshop is a comprehensive, highly practical and interactive workshop. You will have an opportunity to discuss construction of hydraulic and pneumatic systems, design-applications, and learn operations, maintenance and management issues. You will be provided with the most up-to-date information and best practice in dealing with the subject.

WHAT IS INCLUDED?

  • Receive a certificate of attendance in support of your continuing professional commitment
  • All workshops include the associated hardcopy technical manual
  • Printed workshop handouts
  • Lunch and refreshments
  • Interact and network with workshop attendees and experienced instructors
  • Practical, industry driven content to assist you in your continuing professional development (CPD)
  • Attendees automatically become IDC subscribers and receive exclusive deals and technical content every month

WHO SHOULD ATTEND?

  • All those who plan to make a career in hydraulics and pneumatics
  • All those working with hydraulics and pneumatics systems 
  • Consulting engineers
  • Design engineers
  • Mechanical engineers and technicians
  • Operation, maintenance, inspection and repair managers, supervisors and engineers
  • Plant engineers
  • Plant operations and maintenance personnel
  • Process technicians

CONTENT SUMMARY

HYDRAULIC SYSTEMS

INTRODUCTION TO HYDRAULICS

  • Origin of hydraulics and classification

FUNDAMENTALS

  • Force, work, power, energy, mass, weight, torque, density, specific gravity, specific weight, basic hydraulic principles, properties of fluids, viscosity

PRESSURE, PRESSURE LAWS AND FLOW

  • Hydrostatic principles
  • Pascal’s Law and applications
  • Pressure-force relationship
  • Fluid flow and flow rate
  • Bernoulli’s equation

HYDRAULIC PUMPS

  • Principle of pump operation
  • Classification (positive and non-positive displacement)
  • Standard parameters for pump selection
  • Gear, vane, gerotor, lobe pump
  • Piston: radial piston, axial piston, fixed displacement and variable volume, bent axis pumps
  • Pressure, flow and efficiencies of pumps

HYDRAULIC MOTORS

  • Principle of motor operation
  • Performance characteristics of hydraulic motors
  • Classification of hydraulic motors 
  • Gear, vane, piston motors
  • Difference between hydraulic motors and hydraulic pumps
  • Specifications of hydraulic motors
  • Efficiency of hydraulic motors and their sizing

HYDRAULIC CYLINDERS

  • Classification (single and double acting)
  • Construction of cylinders
  • Sealing systems used in cylinders
  • Design of cylinders
  • Common cylinder problems

DIRECTION CONTROL VALVES

  • Functions of direction control valves and their classification
  • Valve symbols
  • Valve elements: reciprocating spools, rotary spools, poppet type
  • Spool valve element: characteristics and position changeover
  • Centre conditions
  • Non-Return Valves (NRV)
  • Check valve
  • Spool valve (rotary and sliding valves)

PRESSURE CONTROL VALVES

  • Classification of pressure control valves
  • Pressure relief valves (pressure regulating and emergency relief)
  • Pressure reducing valves

FLOW CONTROL VALVES

  • Functions of flow control valve
  • Classification of flow control valves (non-pressure compensated and pressure compensated)
  • Location of flow control valve (metre-in, metre-out and bleed-off circuits)

ELECTRO-HYDRAULIC SYSTEMS

  • Proportional solenoid valves: technology and operation
  • Types of proportional valves (direction control, flow control and pressure control valves)
  • Servo valves: first and second stage use of transducers in hydraulic systems
  • Comparison of proportional and servo valves

HYDRAULIC ACCESSORIES

  • Hydraulic oil reservoirs types (pressure and non-pressure types)
  • Hydraulic filters
  • Hydraulic tubes and fittings
  • Hydraulic hoses and fittings
  • Hydraulic accumulators

HYDRAULIC FLUIDS

  • Types of hydraulic oils
  • Oil additives
  • Common problems with hydraulic oils (cavitation, aeration, foaming) 
  • Oil sampling and oil cleanliness
  • Monitoring oil and removing contamination

SEAL DESIGN IN HYDRAULIC SYSTEMS

  • Classification and types
  • O-rings and their applications
  • Common seal materials
  • Reasons for seal failures

HYDRAULIC CIRCUITS

  • Types of hydraulic circuits
  • Symbols used in hydraulic circuits
  • Pump unloading circuit
  • Pressure control circuit
  • Counterbalance circuit
  • Regenerative circuit
  • Pre-fill and compression relief circuit

MAINTENANCE AND TROUBLESHOOTING HYDRAULIC SYSTEMS

  • Commissioning
  • Maintenance
  • Troubleshooting

PNEUMATIC SYSTEMS

AIR PREPARATION, GENERATION AND DISTRIBUTION

  • Characteristics of air
  • Air generation, preparation and distribution
  • Characteristics of pneumatic systems

SYMBOLS AND STANDARDS

  • Standards for pneumatic systems
  • Symbols used in pneumatic systems

PNEUMATIC ELEMENTS

  • Basic structure of pneumatic control system
  • Components of pneumatic systems
  • Compressors
  • Directional control valves
  • Flow control valves
  • Other control valve types
  • Actuators and output devices
  • Cylinders (single and double acting)

BASIC CIRCUIT DESIGN

  • Operation of single and double-acting cylinders
  • Timing system for cylinder extend and retract cycle
  • Speed and safety control systems

TROUBLESHOOTING AND FAULT FINDING PNEUMATIC SYSTEMS

  • Maintenance requirements for pneumatic systems
  • Guidelines for maintenance of system components
  • Troubleshooting pneumatic system problems

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