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CAMOZZI

>

PNEUMATICAUTOMATION

Index

Chapter 1

PHYSICS

12 The air

13 Atmospheric pressure

14 Absolute and relative pressure

16 Boyle’s law

18 The effect of temperature on gases

19 Gay-Lussac’s law

22 Relationship between pressure, volume and temperature

25 Pressure and flow rate

27 Pascal’s principle

29 Venturi’s principle

30 Mechanical concepts

34 Magnetism and electromagnetism

Chapter 2

AIRPRODUCTIONANDPREPARATION

38 Compressors

40 From the compressor to the air receiver

41 From the receiver tank to the point of use

43 Pipe size calculations

44 Treatment of compressed air:

- the filter

- coalescing filters

47 Pressure regulator

48 Isolation valves

49 The soft start valve

50 Pressure regulator without compensation

51 Treatment of compressed air: the lubricator

Chapter 3

CYLINDERS

54 Principles of cylinder operation

56 Component parts and terminology

57 Pressure differential in the two chambers of a double-acting cylinder

58 Developed forces

59 Constructive characteristics

60 Sizing of a cylinder according to the applied load

62 Cushioning phase of themovement of a double-acting cylinder

63 Acceleration phase of a double acting cylinder

64 Cylinder brackets

65 Piston rodmountings

66 Rod stress with a compression load

68 Devices tomodify the cylinder performance: the lever

71 Devices tomodify the cylinder performance:

- the crank handle

- gearedmechanisms

- thewedge

77 Rotary cylinders

79 Magnetic cylinders

80 Special purpose cylinders

82 Cylinder free air consumption

84 Required air for a pneumatic cylinder

85 Hydrochecks

86 Pressure booster

Chapter 4

VALVES

90 Valves

90 Classification of the valves

92 Poppet valves

93 The function of a 3/2-way NC poppet valve

94 The function of a 3/2-way NO poppet valve

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