Pneumatic components and different constructions
PROGRAM

Didactics:

This course aims to supply the knowledge of pneumatics components, especially of their correct use and construction. You will receive the instructions to calculate the components' dimensions and to choose the connection pipes, valves and flow control valves. You will be able to found possible faults and their solutions.
The topics of this course are physics, mechanics and mathematics concepts.
The didactics handbook "Pneumatics for all" will be distributed during the course.

Duration: 3gg

Contents:

Physics

  • Air
  • Atmospheric pressure
  • Absolute and relative pressure
  • Boyle's law
  • The effect of temperature on gases (some aspects)
  • Gay-Lussac's law (some aspects)
  • The relationship between pressure, volume and temperature
  • Pressure and capacity
  • Pascal's principle
  • Venturi's principle
  • Mechanical concepts
  • Magnetism and electromagnetism


Air production and preparation

  • Compressors
  • From the compressor to the air receiver
  • From the receiver to the point of use (some aspects)
  • Tube size calculations (some aspects)
  • Filter
  • Coalescing filter
  • Pressure regulator
  • Interception valve
  • Soft-start valve
  • Lubricator
  • Dimensions of an FRL group
  • Fittings


Cylinders

  • Principle of operation
  • Component parts and terminology
  • Performance of the pressure in the two chambers of a double-acting cylinder
  • Developed forces
  • Constructive characteristics
  • Dimensioning of a cylinder according to the applied load
  • Braking phase of the movement of a double-acting cylinder
  • Acceleration phase of double-acting cylinder
  • Body anchorage
  • Rod connections
  • Rod stress with a compression load
  • Devices to modify the cylinder performances - the lever
  • Devices to modify the cylinder performances - the crank handle
  • Devices to modify the cylinder performances - geared mechanisms
  • Devices to modify the cylinder performances - the wedge
  • Rotary actuators
  • Magnetic cylinders
  • Special purpose cylinders
  • Cylinder free air consumption
  • Air request in a pneumatic cylinder


Valves

  • Pneumatic valves
  • Classification of the distribution valves
  • Poppet valves
  • The functioning of a 3/2 NC poppet valve
  • The functioning of a 3/2 NO poppet valve
  • Manual operation of poppet valves
  • Mechanical operation of poppet valves
  • Mini poppet valves
  • 3/2 spool valves
  • 5/2 spool valves
  • Manual and mechanical operating devices for spool valves
  • Pneumatic operating devices for spool valves
  • Solenoid valves
  • Three position valves
  • Blocking valves
  • Pneumatic and electropneumatically operate solenoid valves 3/2
  • Basic logic valves
  • Nominal capacity of directional control valves
  • Dimensioning of directional control valves
  • Interception valves
  • Flow control valves
  • Hydraulic control of the speed of a cylinder
  • Hydraulic control of the speed of a cylinder and pressure amplifier


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