Pneumatic guided drives and slides are the work horses of industrial automation. They are a wellproven concept, adaptable to a growing range of applications where the particular benefits of adding guidance result in superior performance. They are a cost-effective choice as well, with many variants and configuration options to assure great reliability and longevity.
stainless steel mini pneumatic cylinder Specifications
Important operating specifications to consider when selecting an air cylinders includes cylinder stroke and operating pressure range.
Stroke- Stroke is the distance between fully extended and fully retracted rod positions.
Operating pressure- The operating pressure range specifies the full-required range of operating pressure.
Bore size- Bore size is also important to consider.
Body material- Common body material choices include aluminum, steel, stainless steel, and plastic.
Rod diameter- The rod diameter determines how much load the piston is able to handle before it buckles. The table below shows the minimum rod diameter under various load conditions. The exposed length of the piston, listed at the top of the table, is typically longer than the stroke length of the cylinder. The vertical scale is in English tons (1 ton = 2000lbs.)
Cylinder bore stroke
The stroke is the error distance between the extension and retraction of the piston rod. Some people will calculate the stroke as the cylinder itself is exposed, which is all wrong. The cylinder diameter is the diameter of the inner wall of the cylinder. Generally, the outside diameter can also be estimated. Under the same air pressure, the larger the cylinder diameter, the greater the output.
The functions of the standard cylinders commonly used in China are the same, the main difference is the external installation size and model;
This is the basic outline drawing of a standard cylinder. Confirm the installation distance of the cylinder KB and confirm the total length of the A+stroke cylinder. The size of the accessories that need to be confirmed is different.
Mounting
The hydraulic cylinders are divided into two types, depending on their mounting style, either a pivot mounting or a straight line mounting. Pivot mounted cylinders are used when a load is to be moved in an arc and includes supports such as a clevis and a trunnion.
Cylinders mounted in a straight line are used when the load is to be moved in a linear direction. It includes a flange support and a back or front foot.
Size
The size of an air cylinder can range from 2.5 mm (able to lift a small transistor or electronic component) to 400mm (able to lift a car). Very large air cylinders may be used in place of hydraulic actuators in applications where leaking hydraulic oil could impose an extreme hazard. To determine the size of the cylinder, calculate (in pounds) the force needed for the application, add 25% for friction and to provide enough power for a reasonable rate of speed. Then determine the air pressure which will be used and maintained, and select a power factor from the table below. The power factor should, when multiplied by the air pressure, equal the force calculated. The power factor is the mount of square inches for the cylinder bore, and the bore diameter need will be found direct above power factor selected.
Speed
Cylinders are typically allowed to run at their maximum natural speed. This maximum speed is determined by cylinder size, port size, air pressure, bore and length of the hoses, and the load against which the cylinder is working. From this natural speed, the user can increase speed or more often, reduce it. Smaller valves have slower cylinder movement, however the maximum natural speed of these cylinders can often be achieved with a valve that is one or two sizes smaller then the cylinder port size.
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