Chapter 8
Pneumatic Actuators, Driving Elements,
and Accessories
Pneumatic cylinder and hydraulic cylinder are also called actuator or actuator
cylinder. Their geometrical structure is basically the same. Single acting cylinder is
an actuator driven by fluid force in one direction and by gravity or spring force of
piston in the other direction. Single acting cylinder has the advantages of simple
structure, easy production and manufacture, relatively low price, and space-saving
in use. It is widely used in the executing agencies of various control systems, such
as the single acting cylinder is widely used in force control of welding machine at
present. There are few literature on force control and natural frequency of single
acting cylinder and double acting cylinder.
This chapter analyzes the natural frequency characteristics of single acting
cylinder and double acting cylinder, introduces the structure and characteristics of
cylinder and pneumatic motor, and analyzes the working performance of the air
chamber of hydraulic system under extreme temperature environment.
8.1 Pneumatic Cylinder and Hydraulic Cylinder
8.1.1 Classification of Pneumatic Cylinder and Hydraulic
Cylinder
Pneumatic cylinders and hydraulic cylinders are devices that convert pressure
energy of fluid into mechanical energy, and have been widely used in various
control devices. From the point of view of movement form, it includes pneumatic
cylinder or hydraulic cylinder (also known as cylinder), motor for rotary motion,
swing cylinder for rotary motion, hydraulic cylinder, and other types. Pneumatic
cylinder uses compressed air as the gas source, which converts the pressure energy
of the gas into mechanical energy. According to the form of motion, cylinders or
pneumatic actuators can be classified as follows:
© Springer Nature Singapore Pte Ltd. and Shanghai Scientific
and Technical Publishers 2020
Y. Yin, High Speed Pneumatic Theory and Technology Volume II,
https://doi.org/10.1007/978-981-15-2202-4_8
1
Pneumatic Actuators, Driving Elements,
and Accessories
Pneumatic cylinder and hydraulic cylinder are also called actuator or actuator
cylinder. Their geometrical structure is basically the same. Single acting cylinder is
an actuator driven by fluid force in one direction and by gravity or spring force of
piston in the other direction. Single acting cylinder has the advantages of simple
structure, easy production and manufacture, relatively low price, and space-saving
in use. It is widely used in the executing agencies of various control systems, such
as the single acting cylinder is widely used in force control of welding machine at
present. There are few literature on force control and natural frequency of single
acting cylinder and double acting cylinder.
This chapter analyzes the natural frequency characteristics of single acting
cylinder and double acting cylinder, introduces the structure and characteristics of
cylinder and pneumatic motor, and analyzes the working performance of the air
chamber of hydraulic system under extreme temperature environment.
8.1 Pneumatic Cylinder and Hydraulic Cylinder
8.1.1 Classification of Pneumatic Cylinder and Hydraulic
Cylinder
Pneumatic cylinders and hydraulic cylinders are devices that convert pressure
energy of fluid into mechanical energy, and have been widely used in various
control devices. From the point of view of movement form, it includes pneumatic
cylinder or hydraulic cylinder (also known as cylinder), motor for rotary motion,
swing cylinder for rotary motion, hydraulic cylinder, and other types. Pneumatic
cylinder uses compressed air as the gas source, which converts the pressure energy
of the gas into mechanical energy. According to the form of motion, cylinders or
pneumatic actuators can be classified as follows:
© Springer Nature Singapore Pte Ltd. and Shanghai Scientific
and Technical Publishers 2020
Y. Yin, High Speed Pneumatic Theory and Technology Volume II,
https://doi.org/10.1007/978-981-15-2202-4_8
1