Pneumatics and Hydraulics (Leaving Cert Engineering): Flashcards
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15 cards from this deck
Hydraulics fluid type
Hydraulics fluid type
Liquids, typically oil
Pneumatics fluid type
Pneumatics fluid type
Compressed gas, usually air
Energy storage medium in both systems
Energy storage medium in both systems
Pressurised fluids
Definition of actuators
Definition of actuators
Convert fluid energy to mechanical movement
Hydraulic fluid property
Hydraulic fluid property
Incompressible
Pneumatic fluid property
Pneumatic fluid property
Compressible
System with higher power output
System with higher power output
Hydraulic systems
System with better precision
System with better precision
Hydraulic systems
Faster operating system
Faster operating system
Pneumatic systems
Pneumatic cost advantage
Pneumatic cost advantage
Air is free to use
Pneumatic cleanliness benefit
Pneumatic cleanliness benefit
No fluid spills
Hydraulic maintenance requirement
Hydraulic maintenance requirement
More frequent than pneumatic
Use hydraulics for
Use hydraulics for
Heavy loads and precision work
Use pneumatics for
Use pneumatics for
Speed and cleanliness requirements
Spark-free operation benefit
Spark-free operation benefit
Eliminates fire hazards