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HYDRAULIC Understanding the basic of hydraulic [email protected]

Hydraulic beginner

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Page 1: Hydraulic beginner

HYDRAULIC

Understanding the basic of hydraulic

[email protected]

Page 2: Hydraulic beginner

Comparison

Pneumatic Electric

Cylinders Directional valve Logic valves Button valve Oil pump

Motors, linear motor Transistors/contactors Op amps Button / switch Battery

Page 3: Hydraulic beginner

1 bar = 1x105 𝑁 𝑚2

1 𝑚𝑚2 = 1x10−6 𝑚2

Page 4: Hydraulic beginner

Hydraulic fluid transmission Let : F = Force (N) P = Pressure (N/m2) A = Area (m2)

Page 5: Hydraulic beginner

Hydraulic fluid compensation Let : S = Displacement(m) A = Area (m2)

Page 6: Hydraulic beginner

HYDRAULIC SYSTEM

Power pack Directional control valve

Actuator

Page 7: Hydraulic beginner

POWER PACK

Power element Actuators Directional control valves Flow control Pressure control Measuring unit

Page 8: Hydraulic beginner

POWER PACK

Pump

Page 9: Hydraulic beginner

POWER PACK

Pump

Page 10: Hydraulic beginner

POWER PACK

Pump

Page 11: Hydraulic beginner

WORKING ELEMENTS / ACTUATING DEVICES

Single / double acting cylinder

Page 12: Hydraulic beginner

WORKING ELEMENTS / ACTUATING DEVICES

Single / double acting cylinder

Page 13: Hydraulic beginner

SINGLE ACTING CYLINDER

Forcible surface

supply port

Pressurized chamber

DEpressurized chamber

waste port Spring return

Page 14: Hydraulic beginner

SINGLE ACTING CYLINDER

Forcible surface

supply port

Pressurized chamber DEpressurized chamber

waste port

Spring return

Page 15: Hydraulic beginner

Forcible surface supply port

DEpressurized chamber

DOUBLE ACTING CYLINDER

waste port

Page 16: Hydraulic beginner

Forcible surface waste port

DEpressurized chamber

DOUBLE ACTING CYLINDER

supply port

Page 17: Hydraulic beginner

Forcible surface waste port

DEpressurized chamber

DOUBLE ROD CYLINDER

supply port

Page 18: Hydraulic beginner

Cylinders

Page 19: Hydraulic beginner

Linear actuators

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Linear actuators

Page 21: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 22: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 23: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 24: Hydraulic beginner

Directional valves

CONTROL ELEMENTS / ACTUATING DEVICES

Page 25: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 26: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 27: Hydraulic beginner

CONTROL ELEMENTS / ACTUATING DEVICES

Directional valves

Page 28: Hydraulic beginner

Actuation option

Page 29: Hydraulic beginner

Actuation option

Page 30: Hydraulic beginner

Actuation option

Page 31: Hydraulic beginner

Valve nomenclature

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One way flow control valve

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One way flow control valve

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One way flow control valve

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Shutoff valve

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Check valve / no return valve

Page 37: Hydraulic beginner

Check valve / no return valve

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Check valve / no return valve

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3 way pressure regulation valve

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3 way pressure regulation valve

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3 way pressure regulation valve

Page 42: Hydraulic beginner

DRAWING SYMBOLS

ISO 1219-2

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SYMBOLS

Pump

Power line

Control line

Branches

By pass

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SYMBOLS

Container

Filter

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SYMBOLS

Fixed Adjustable

1 way motor

2 way motor

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SYMBOLS Single acting cylinder

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SYMBOLS Double acting cylinder

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SYMBOLS

Valve name Initial position Symbol

Page 49: Hydraulic beginner

SYMBOLS

Valve name Initial position Symbol

Page 50: Hydraulic beginner

SYMBOLS

Valve name Initial position Symbol

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SYMBOLS

Pressure reliev valve/pressure limiter valve

2 way Pressure regulator P-A-T

3 way Pressure regulator P-T

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SYMBOLS

Fixed Adjustable

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SYMBOLS

Check valve

Check valve spring loaded

Page 54: Hydraulic beginner

SYMBOLS

Manometer

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Component designation

Page 56: Hydraulic beginner

System circuit diagram

Page 57: Hydraulic beginner