1. In this presentation you will: identify applications of hydraulics
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2. In this presentation you will see examples of where hydraulics are used in real world applications.
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3. Uses of Hydraulics
Hydraulic systems are used where large, precise forces are required.
Common examples include:
Vehicle power steering
Dump trucks
Flight simulators
Hydraulic jacks
Heavy earth moving equipment
Vehicle brake systems
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4. Example: Aircraft Hydraulic Systems
All modern aircraft contain
hydraulic systems to operate mechanisms, such as:
Flaps
Wing position
Landing gear
Hydraulic power is provided by a pump that is coupled to an engine. Power is distributed to systems throughout the aircraft by transmission lines.
Engine power
Hydraulic pump
Actuating cylinder
Landing gear
Hydraulic power is converted to mechanical power by means of an actuating cylinder or hydraulic motor.
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5. Question 1 Which aircraft system is NOT powered by hydraulics?
A) Landing gear
B) Propulsion
C) Wing position
D) Flaps

6. Example: A Vehicle Braking System
Piston
Pads
Caliper
Rotor
Piston inside caliper
Brake caliper
Brake pedal pressure
The function of a vehicle braking system is to stop or slow down a moving vehicle.
When the brake pedal is pressed, hydraulic pressure is transmitted to the piston in the brake caliper of the brakes.
This pressure forces the brake pads against the brake rotor, which is rotating with the wheel.
The friction between the brake pad and the rotor causes the wheel to slow down, and eventually stop.
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7. Question 2 Hydraulic pressure pushes what, to squeeze the brake pads?
A) The rotor
B) The caliper
C) The piston
D) The brake pedal

8. Example: Industrial Hydraulics
Hydraulic systems are widely used in industry. They may be integrated with pneumatic and or electromechanical systems.
Typical applications include:
Presses
Platform hoists
Hydraulic motors
Jacks
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9. Example: Construction Machines
Construction machines use hydraulics to move heavy loads. Hydraulics in construction machines can be used to move a large load, with a small force.
Typical machines include:
Cranes
Skip / loaders
Dump trucks
Excavators
All of these machines use hydraulic pressure to move powerful cylinders that operate buckets, booms, blades and raise beds.
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10. Other Systems
Other typical applications, not covered in detail include:
Elevators
Dampers used for vehicle suspension
Ship anchor windlasses
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11. Summary You should now be aware of:
Aircraft systems that use hydraulics
Hydraulics used in vehicle braking systems
Industrial applications of hydraulic systems
Construction machines that use hydraulics
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