Page 12 - PNEUMATIC SYSTEM INSTRUMENT

PHYSICAL PRINCIPLES OF PNEUMATIC

Pneumatics is a major and growing force in business and industry. Half

a century, ago, for example, all power tools in a shop were typically

controlled by electricity. Today, many are powered by pressured air.

For these and many other applications, pressured air is proving to be

a cheaper, safer, and more efficient source of power than electricity.

A fluid power system is one that transmits and control energy using

pressurized liquid or gas. In Pneumatics, this power is air. This of

course from the atmosphere and is reduced in volume by

compression, thus increasing its pressure. Compressed air mainly used

to do work by acting on a piston or vane. While this energy can be

used in many facets of industry, the field of industrial pneumatics is

considered here. The correct use of pneumatic control requires an

adequate knowledge of pneumatic components and their function to

ensure their integration into an efficient working system. Although

electronic control using a programmable sequencer or other logic

controller is currently specified, it is still necessary to know the

function of the pneumatic components in this type of system.

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