What are pneumatic cylinder and pneumatic cylinder barrel?

August 01, 2024

When designing a hydraulic cylinder, it is necessary to understand its purpose, as well as the working pressure and rated working pressure of the hydraulic system. The form determines the force and effect, and ultimately determines the cylinder bore and stroke, connection method, installation size, etc. of the hydraulic cylinder. Hydraulic systems generally have five pressure levels: low pressure, medium pressure, high pressure, and ultra-high pressure. A pneumatic actuator that converts the pressure energy of compressed gas into mechanical energy in the pneumatic transmission of a cylinder. There are two types of cylinders: reciprocating linear motion and reciprocating oscillation. Cylinders with reciprocating linear motion can be divided into four types: single acting cylinders, double acting cylinders, diaphragm cylinders, and impact cylinders. After determining the hydraulic system, the output force of the hydraulic cylinder can be determined.

In the main components of hydraulic cylinders, including cylinders (compressed air), pistons, piston rods, and guide sleeves, cylinder materials usually require sufficient strength and impact toughness. If the temperature is minus 50 degrees, tempering is necessary. The cylinder guides the piston to perform linear reciprocating motion inside the cylinder. The air inside the engine cylinder converts thermal energy into mechanical energy through expansion; The gas is compressed by the piston in the compressor cylinder to increase pressure. The inner surface of the hydraulic cylinder is authorized to have tolerance grades, surface roughness, and geometric tolerance grades to ensure that the hydraulic cylinder has good sealing and motion stability (note: stable and stable; no variability and wear resistance).

The connection of the piston rod head should be selected according to the load situation. The cylinder guides the piston to perform linear reciprocating motion inside the cylinder. The air inside the engine cylinder converts thermal energy into mechanical energy through expansion; The gas is compressed by the piston in the compressor cylinder to increase pressure. Generally speaking, there are three types of earrings: threaded, single earring, and three pairs of earrings. The fit between the piston rod and the guide sleeve should not be too tight or too loose, otherwise it is easy to cause jamming or unevenness.

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