Pneumatic Device

instrument

Oct 6, 2023 - 16:05
 0  17

jackhammer

pneumatic device, any of various tools and instruments that generate and utilize compressed air. Examples include rock drills, pavement breakers, riveters, forging presses, paint sprayers, blast cleaners, and atomizers.

Compressed-air power is flexible, economic, and safe. An air device creates no spark hazard in an explosive atmosphere and can be used under wet conditions without electric-shock hazard. A relatively small compressor suffices to fill a storage tank for intermittent use, and no return lines are needed. Other characteristics of a compressed-air system are important in meeting special service requirements. It is relatively easy to connect one device (such as a valve or a cylinder and piston) to another by pipe, tubing, or flexible hose. Many actions can be controlled by a simple manipulation of valves. The motion of an actuating piston in a cylinder can be changed quickly and in small steps with practically no shock. An air system can provide great flexibility in speed and motion control. Relief valves are easily arranged to protect a system and avoid damage. Control of operations is simple, efficient, and centralized. In general, air systems have relatively few moving parts, contributing to high reliability and low maintenance costs.

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