Pneumatic Basic

Training contents
Physical fundamentals of pneumatics
_ Function and application of pneumatic components
_ Designation and drawing of pneumatic symbols
_ Representation of motion sequences and switching statuses
_ Drawing pneumatic circuit diagrams in accordance with standards
_ Direct and indirect stroke-dependent control systems
_ Logical AND/OR functions of the input signals
_ Time-dependent control systems with time delay valve
_ Pressure-dependent control systems with pressure sequence valves
_ Fault finding in simple pneumatic control systems
_ Safety regulations


Days

Course contents

1

Characteristics and applications of pneumatics
Components of a pneumatic system
Symbols and standards in pneumatics

2

Control systems with one cylinder
Exercise 1 Allocating device
Operation of a single-acting cylinder
_ Direct actuation of a single-acting cylinder
_ Use of a 3/2-way directional control valve
_ Application of a service unit with on-off valve and manifold
Exercise 2 Sorting device for metal stampings
Direct actuation of a single-acting cylinder
_ Operation of a 3/2-way push-button valve
_ Connecting up and adjusting a one-way flow control valve
_ Connecting up pressure gauges

_ Exercise 3: Separating parcel post
Realizing that directional control valves exist both in the normally
closed and normally open position
_ Setting a one-way flow control valve
_ Understanding the function of a quick exhaust valve

3

Exercise 4: Vertical switching point for briquettes
Direct actuation of a double-acting cylinder
Operation of a 5/2-way valve with spring return and selector switch
Exercise 5 : Edge folding device
_ Indirect actuation of a double-acting cylinder
_ Operation of a 5/2-way single pilot valve with spring return
_ Application of a dual-pressure valve (AND-gate)
_ Learning that a final control element can be influenced via an AND Connection
Exercise 6: Marking machine
Application of a shuttle valve (OR-gate)
_ Realizing that an actuator can be influenced via an OR-connection as
well as an AND connection
_ Application of a 3/2-way roller lever valve

4

 Exercise 7: Separating out plain pins
Use of a time-delay valve with normal position closed
_ Design and construction of a control system with continuous to and
fro movement (continuous cycle)
Exercise 8: Foil welding drum
Operating a pressure regulator to limit the piston force
_ Use of a pressure sequence valve
_ Realization of a control system with single cycle and continuous cycle
by means of a valve with selector switch
Exercise 9 Switching point for work pieces
_ Indirect actuation of a single-acting cylinder
_ Supply and exhaust air flow control of a single-acting cylinder
_ Development and construction of a self-latching circuit with “dominant
off behaviour” (or “dominant on behaviour”)
_ Familiarisation with the abbreviated notation used to show cylinder  movements

5

Exercise 10 Vibrator for paint buckets
Application of a roller lever valve in the central position of the piston
rod
_ Realisation of a fast to and fro movement in the partial stroke range
_ Recognise that the oscillating frequency can be according to the flow
rate
_ Construction of a pulse actuated signal input with a pneumatic memory
(5/2-way pneumatic bi-stable valve)
Control systems with parallel motions
Exercise 11: Feed rail separator
Indirect control of two double-acting cylinders by one final control valve
_ Design and assembly of a latching circuit with “dominant off behaviour”
_ Establishing a back-up circuit for a time delay valve
_ (Recognizing the problems arising when cylinders are connected in
parallel at low pressure)
Exercise 12: Welding machine for thermoplastics
Indirect actuation of two double-acting cylinders with two final control valves
_ Use of a 5/2-way double pilot valve as control valve
_ Parallel movement of two cylinders through adjustable exhaust air restriction
_ Establishing an AND-function through a dual-pressure valve and through connecting roller lever valves in series

6

Control systems with two actuators
Exercise 14: Compactor for domestic rubbish
Learning how to interpret a displacement-step diagram with signal
lines to VDI 3260
_ Indirect activation of two cylinders with two final control valves
_ Controlling the motion sequence with three roller lever valves
_ Operating a pressure sequence valve
Exercise 15: Clamping camera housings
Indirect activation of two cylinders with two final control valves
_ Limitation of the maximum piston thrust through adjustment of working pressure
_ Use of 3/2-way roller lever valve with idle return for signal cut-out
_ Utilization of a pneumatically actuated optical indicator
_ (Recognizing the problems arising from locked-on pilot signals –
(signal cut-out)
_ (Unassisted recording of the displacement-time diagram)
_ (Recognizing the functioning of a reversing valve)


7

Control systems with reversing valves
Exercise 16: Input station for laser cutter
Indirect activation of two cylinders with two final control valves
_ Application of a reversing valve for switching off signals
_ Re-arrangement of the teaching content of preceding exercises
_ (Unassisted recording of the displacement-time diagram)
_ (Recognising advantages and disadvantages of alternative circuits
Exercise 17: Partial automation of an internal grinder
_ Indirect activation of two cylinders with two final control elements
_ Designing and building a control system with two reversing valvesfor
cancelling signals
_ Re-arrangement of teaching content of previous exercises
_ (Recognizing the advantages and disadvantages of alternative circuits)
Exercise 18: Drilling machine with four spindles
Designing and constructing a control system with three reversing
valves
_ Re-arrangement of training content of previous exercises
_ Independent formulation of the solution description
_ (Realizing the advantages and disadvantages of alternative circuits

8

Exercise 19: Drilling machine with gravity feed magazine
_ Drawing up the abbreviated notation with division into groups
_ Indirect control of two double-acting cylinders and a single-acting cylinder
each with final control valve
_ Design and construction of a control system with a reversing valve
_ Re-arrangement of training content of previous exercises
Exercise 20: Pneumatic counter
Indirect control of two double-acting cylinders via two final control
valves
_ Solve the “black box problem” which has been set
_ Application of the logic operations AND and OR
_ (Design and construction of a pulse oscillator

9

Final Exam



 
Label