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The basic structure and working principle of pneumatic actuator


Release time:

2022-07-13

Today, Wuxi Xinming automatic control valve industry Co., Ltd. will introduce the basic structure and working principle of pneumatic actuator in detail: Basic structure of pneumatic actuators: the conditioning organization of pneumatic actuators is roughly the same, mainly the actuators are different. Therefore, the introduction of pneumatic actuators is divided into two parts: the execution organization and the conditioning valve. The air actuator consists of two parts: the actuator and the conditioning valve (conditioning tissue). According to the size of the control signal, the corresponding thrust is generated to push the action of the conditioning valve. Regulator is the conditioning component of the pneumatic actuator, it will produce a certain displacement or rotation point of view under the thrust of the actuator, which can directly regulate the flow of fluid. One. Pneumatic equipment is mainly composed of cylinder, piston, gear shaft, end cover, sealing ring, screw, etc. Pneumatic package should also include opening indication, stroke limit, solenoid valve, positioner, pneumatic components, manual organization, signal response, etc. II. The connection scale of pneumatic equipment and valve shall conform to the ISO5211 (bottom),GB/T12222,GB/T12223 and other specifications. Three. Pneumatic equipment is equipped with manual organization. When the air source is stopped, the manual organization can be used to open and close the pneumatic ball valve. When facing the handwheel, the handwheel or handle should be rotated counterclockwise to open the valve, and clockwise to close the valve. Four. When the end of the piston rod is internal and external, there must be a wrench mouth used by the standard wrench. Five. The piston sealing ring should be easy to replace and repair. VI. For pneumatic equipment with cushioning tissue, the trek length of cushioning tissue can refer to the rules in Table 1. Seven. Pneumatic equipment with adjustable cushioning organization, its cushioning effect should be adjusted outside the cylinder. Eight. The thread dimension of cylinder outlet and outlet shall conform to MANURNORM (Annex Specification),sypv,GB/T7306.1,GB/T7306.2 and GB/T7307. Run function: The rated power or torque of pneumatic equipment should conform to the rules of GB/T12222 and GB/T12223. Second, when there is no load, enter the cylinder according to the pressure rules in Table 2, and the action should be stable, without blocking and creeping. Third, when the sealing test is tested under the upper limit of operating pressure, the air leakage on each back pressure side is not allowed to exceed (3+0.15D)cm3/min (standard state); And (3+0.15d)cm3/min (standard state) leaks from the end cover and output shaft. Fourth, the upper limit of the working pressure is 1.5 times for the strength test. After the test pressure is maintained for 3min, the cylinder block end cover and static seal parts are not allowed to have leakage and structural deformation. Five, action life: pneumatic equipment to imitate the action of the pneumatic valve, in the case of maintaining the output torque or thrust in both directions, the number of launch operations should be no less than 50000 times (launch-closed cycle is once). 6. Pneumatic equipment with buffer organization, when the piston moves to the stroke end orientation, no impact is allowed. The above is all the contents about the basic structure and working principle of pneumatic actuator introduced in detail by Wuxi Xinming automatic control valve industry co., ltd. if you have any questions about pneumatic actuator, please feel free to call for advice and wait for your cooperation.

The basic structure and working principle of pneumatic actuator

Today, by Wuxi Xinming automatic control valve industry Co., Ltd. for you to introduce in detailPneumatic actuatorBasic structure and working principle:

气动执行器

Pneumatic actuatorBasic structure: the conditioning organization of pneumatic actuators is roughly the same, mainly the actuators are different. Therefore, the introduction of pneumatic actuators is divided into two parts: the execution organization and the conditioning valve. The air actuator consists of two parts: the actuator and the conditioning valve (conditioning tissue). According to the size of the control signal, the corresponding thrust is generated to push the action of the conditioning valve. Regulator is the conditioning component of the pneumatic actuator, it will produce a certain displacement or rotation point of view under the thrust of the actuator, which can directly regulate the flow of fluid.
One. Pneumatic equipment is mainly composed of cylinder, piston, gear shaft, end cover, sealing ring, screw, etc. Pneumatic package should also include opening indication, stroke limit, solenoid valve, positioner, pneumatic components, manual organization, signal response, etc.
II. The connection scale of pneumatic equipment and valve shall conform to the ISO5211 (bottom),GB/T12222,GB/T12223 and other specifications.
Three. Pneumatic equipment is equipped with manual organization. When the air source is stopped, the manual organization can be used to open and close the pneumatic ball valve. When facing the handwheel, the handwheel or handle should be rotated counterclockwise to open the valve, and clockwise to close the valve.
Four. When the end of the piston rod is internal and external, there must be a wrench mouth used by the standard wrench.
Five. The piston sealing ring should be easy to replace and repair.
VI. For pneumatic equipment with cushioning tissue, the trek length of cushioning tissue can refer to the rules in Table 1.
Seven. Pneumatic equipment with adjustable cushioning organization, its cushioning effect should be adjusted outside the cylinder.
Eight. The thread dimension of cylinder outlet and outlet shall conform to MANURNORM (Annex Specification),sypv,GB/T7306.1,GB/T7306.2 and GB/T7307.
Run function:
The rated power or torque of pneumatic equipment should conform to the rules of GB/T12222 and GB/T12223.
Second, when there is no load, enter the cylinder according to the pressure rules in Table 2, and the action should be stable, without blocking and creeping.
Third, when the sealing test is tested under the upper limit of operating pressure, the air leakage on each back pressure side is not allowed to exceed (3 0.15D)cm3/min (standard state); And (3 0.15d)cm3/min (standard state) leaks from the end cover and output shaft.
Fourth, the upper limit of the working pressure is 1.5 times for the strength test. After the test pressure is maintained for 3min, the cylinder block end cover and static seal parts are not allowed to have leakage and structural deformation.
Five, action life: pneumatic equipment to imitate the action of the pneumatic valve, in the case of maintaining the output torque or thrust in both directions, the number of launch operations should be no less than 50000 times (launch-closed cycle is once).
6. Pneumatic equipment with buffer organization, when the piston moves to the stroke end orientation, no impact is allowed.














气动执行器

The above is all the contents about the basic structure and working principle of pneumatic actuator introduced in detail by Wuxi Xinming automatic control valve industry co., ltd. if you have any questions about pneumatic actuator, please feel free to call for advice and wait for your cooperation.