Typical Single Cylinder Pneumatic Circuits

This blog provides the following self-explanatory basic pneumatic circuits with only a single cylinder. Direct control of a single acting cylinder Indirect control of a single acting cylinder Speed control of a single acting cylinder Direct control of a double acting cylinder Indirect control of a double acting cylinder Speed control of a double acting... Continue Reading →

How to Develop Multiple-actuator Pneumatic Circuits Using the Shift Register Method?

The basic concepts of the development of multiple actuators were discussed in the article ‘How to Develop Multiple-actuator Pneumatic Circuits Using the Cascade Method?’ published earlier. In this article, the Shift Register method is explained with the control task, as given below. Control Task A pneumatic circuit has to be developed using the shift register... Continue Reading →

Relay Controllers Vs PLC Controllers – An Insight into their Circuitry

The basic concepts of a relay control system and a PLC control system are highlighted in this article with the help of a circuit diagram. Assume that an electro-pneumatic system is used for obtaining an industrial work operation. The system consists of a pneumatic power part and an electrical control part. The electrical control part... Continue Reading →

Understanding Air Compressors – Part 3

Bits and Pieces: Fluid Power Fact #4/3 Understanding Air Compressors – Part 3  [Note: Part 1 of this article presents basics of air compressors. Part 2 presents the classification and the construction details of air compressors. Part 3 presents a brief about the sizing of air compressors.] Sizing Air Compressors Sizing an air compressor for... Continue Reading →

Understanding Air Compressors – Part 2

Bits and Pieces: Fluid Power Fact #4/2 Understanding Air Compressors – Part 2  [Note: Part 1 of this article presents basics of air compressors. Part 2 presents the classification and the construction details of air compressors. Part 3 presents a brief about the sizing of air compressors.] Classification of compressors In a positive displacement compressor,... Continue Reading →

Know the Difference between Gauge Pressure and Absolute Pressure

Bits and Pieces: Fluid Power Fact #3 Know the Difference between Gauge Pressure and Absolute Pressure Two pressure scales are utilized to measure pressure values in fluid power systems: a gauge scale and an absolute scale. The gauge pressure is the pressure indicated by a pressure gauge. It is a measure of the pressure with... Continue Reading →

What is the Most Economical Pressure in Pneumatics?

Bits and Pieces - Fluid Power Fact #1: What is the Most Economical Pressure in Pneumatics? Pneumatic systems have been developed and progressed comparatively as a low-pressure system. Pneumatic air consuming devices such as cylinders and rotary actuators are designed for the maximum operating pressure of 8 to 10 bar [115 to 145 psi]. However,... Continue Reading →

How to Develop Multiple-actuator Pneumatic Circuits Using the Cascade Method?

Most of the practical pneumatic systems involve the use of multiple actuators (cylinders, semi-rotary actuators, etc) which when operating in specified sequences carry out the desired control tasks. Double-pilot directional control (DC) valves are used as final control elements to control the forward and return strokes of the actuators. Sensors are used for confirming the... Continue Reading →

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