FLUID POWER DIAGRAMS

Paper , Order, or Assignment Requirements

1. FIGURE 1 shows a pneumatic circuit diagram used for air supply and

exhaust in an automatic control system.

(a) Name all symbols (including pipelines) used in the system.

(b) Number the ports of each DCV.

(c) Classify the sections of the components in the circuit.

(d) State how the system works.

(e) State the functions of valves and .

FIG. 1

1 2 3

4

5

1 2

2

2. FIGURE 2 shows a pneumatic circuit in which four actuators are

controlled.

(a) State the sequence in which the cylinders operate on the operation of

the start valve.

(b) Show, with the aid of a schematic diagram, how an electronic

controller could be included in the circuit to control the sequence of

cylinder operations.

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