Circuit and Construction, Operation
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Fig.14.11 shows how two pressure switches can be used to control the operation of a double-acting hydraulic cylinder.
control of a hydraulic cylinder using a single limit switch
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
An electrohydraulic system which uses a single solenoid valve and a single limit switch to control a double-acting hydraulic cylinder is illustrated in Fig. 14.10.
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
It should be noted that while drawing any electrohydraulic (or electropneumatic) circuits, separate circuits should be drawn for the fluid system and the electrical system.
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
The most commonly used electrical control devices are :
Learning Objectives, Introduction
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Nowadays, the focus has been shifted from manual control to electrical control of fluid power systems.
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Review questions: Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Review and summary: Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Multi-cylinder pneumatic circuits can be designed in various methods.
multi-actuator circuits
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
In the preceding sections, we have discussed various single-actuator circuits.
Circuit, Operation
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
As discussed in Section 12.6, pneumatic time delay valve is used in time based sequencing circuits to achieve the intended time delays between specific operations.
Circuit, Operation
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
Fig.13.12 illustrates a circuit to control unidirectional pneumatic motor.
Pneumatic and Electro Pneumatic Systems - Hydraulics and Pneumatics
Subject and UNIT: Hydraulics and Pneumatics: Unit IV: Pneumatic and Electro Pneumatic Systems
In many pneumatic applications, it is required to operate different components with different speeds.