Published by Camozzi Automation S.p.A.
Società Unipersonale
Via Eritrea, 20/I
25126 Brescia Itay
Tel. +39 030 37921
info@camozzi.com
MN-Tec_Did_ENG_2019_LowRes.part1.rar
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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
AIR PRODUCTION AND PREPARATION
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 the movement of a double-acting cylinder
63 Acceleration phase of a double acting cylinder
64 Cylinder brackets
65 Piston rod mountings
66 Rod stress with a compression load
68 Devices to modify the cylinder performance: the lever
71 Devices to modify the cylinder performance:
- the crank handle
- geared mechanisms
- the wedge
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
95 Manual operation of poppet valves
96 Mechanical operation of poppet valves
97 Mini poppet valves
98 3/2-way spool valves
99 5/2-way spool valves
100 Manual and mechanical operating devices for spool valves
101 Pneumatic operating devices for the valves
102 Directly operated solenoid valves
107 Servo solenoid valves with internal pilot
108 Servo solenoid valves with external pilot
110 Three-position valves
111 Blocking valves:
- unidirectional
- bidirectional
113 Double 2/2-way and 3/2-way valves
115 Signal processing valves
120 Nominal flow rate
121 Sizing of directional control distribution valves and connecting tubes
124 Interception valves
125 Flow control valves
130 Usage of valves with vacuum
131 Pressure switches
Chapter 5
CIRCUIT TECHNIQUE
134 Pneumatic symbols
136 Rules for designing circuits
138 Elementary circuits
141 Single or semi-automatic cycle
142 Continuous or automatic cycle
143 Elementary circuits
144 Literal and graphical representation of the movement of cylinders
146 Signals generated by limit switches
150 Principles of logic
152 The basic logic functions
153 An example of the application of basic logic functions
155 Use of logic functions YES and NOT
156 OR and AND achieved with (3/2-way) directional control valves
157 Memory valves
160 The timer
161 Cycle start command
162 Single/continuous cycle
163 Emergency command
165 Development of a sequence
166 Flow diagram and designing a pneumatic circuit
168 Movement of multiple cylinders
171 Identification of blocking signals
173 Techniques to eliminate blocking signals
192 Two-hand control unit
Chapter 6
ELECTRO-PNEUMATIC CIRCUITS
196 Electrical symbols
197 Relay circuits
198 Control systems
201 Electro-pneumatic circuit
202 Realization of logic functions
204 Circuits with dual commands
207 Emergency control
- stop and re-positioning of the cylinders
210 Multiple cylinder cycle
213 Sequences with blocking signals | 