2014年3月19日星期三

Pneumatic Cylinder - A brief Introduction



Pneumatic Cylinders, also known as air cylinders are mechanical units that happen to be employed to provide drive blended with linear, usually driven by higher stress compressed air or gas. They are produced from top quality high quality nickel-plated brass, aluminum, metal, stainless steel together with a variety of other supplies dependent upon the job requirements, stroke size together with level relating to loads, humidity & temperature.


It utilize stored potential energy of compressed air plus convert it into kinetic energy as the air expands in an try to reach atmospheric force. The air expansion in the Aluminum Oxygen Cylinder forces a piston( a disc or cylinder) to move in the desired direction; piston rod further transfers this pressure it the object which is required for being moved. They are vastly sought after in various industry segments owing to their noiseless operation, simple installation, easy maintenance and compact size. These cylinders don't require large space to store fluid like hydraulic ones.


Working coupled with Types of Air Cylinders


The numerous components relating to are a steel piston, a piston rod, a cylinder barrel and then end covers. When the compressed air/gas moves into an air cylinder, it pushes the piston along the length of the cylinder. Compressed air or a spring, located at the rod end regarding the cylinder then pushes the piston back not to mention valves regulate the flow of compressed air to the cylinders.


These cylinders are available in distinct models, sizes together with these vary in appearance as well as functions. These might be broadly categorized as Single-acting, Double-acting not to mention Aluminum Medical Oxygen Cylinder.


Single-acting (SAC)


Single-acting cylinders use a pressure imparted by compressed air to produce a driving pressure, usually in outside direction, and also a spring to return to the "home" position. These cylinders have limited extension recommended for applications which don't require more than 100mm concerning stroke size.


Double-acting (DAC)


Double-acting cylinders utilize the pressure connected with compressed air to move in both extend retract strokes. These cylinders have two ports to make it easy for air in, one for out-stroke not to mention one for in-stroke. Stroke size for these models is not limited, nevertheless, the piston rod is much more vulnerable to buckling coupled with bending here.


Multi-stage (MAC)


SCUBA Cylinders are often known as Telescoping and additionally telescopic cylinders. These incorporate a piston rod nested within a series connected with hollow stages connected with increasing diameter. On actuation, the piston rod and additionally each succeeding stage "telescopes" out as a segmented piston. These designs are most appropriate for longer strokes coupled with primarily used in applications where the piston bears minimal side loading.


Some other types associated with Pneumatic Cylinders are Through rod air, Cushion end air, Rotary air, Impact air, Rodless air Tandem air cylinders. Pneumatic Cylinders are appreciated for their simple designs, easy operation & control, long operating lives, safe to use plus less maintenance.

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