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Tengye - Cylinder
A cylinder is a device that converts the pressure energy of compressed air into mechanical energy and belongs to pneumatic actuators.
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Main structure:
- Cylinder barrel: The main body of a cylinder that guides the piston to move in a straight line.
- End cap: Seal both ends of the cylinder, forming a closed space with the cylinder.
- Piston: It moves back and forth within the cylinder, separating two chambers.
- Piston rod: connects the piston to external loads and transmits mechanical energy.
- Seals: Ensure the sealing of the cylinder to prevent gas leakage.
Working principle
- The cylinder drives the piston movement through compressed air to achieve mechanical energy conversion.
- Single acting cylinder: Only one end has a piston rod, and compressed air enters from one side to push the piston to move, returning by spring or self weight.
- Double acting cylinder: alternate gas supply from both sides of the piston to achieve bidirectional movement, with greater output force and wider application.
Classification
- There are various types of cylinders, suitable for different scenarios:
- According to the action method:
- Single acting cylinder: Unidirectional movement, requires external reset.
- Double acting cylinder: bidirectional motion, strong controllability.
- By function:
- Buffer cylinder: Buffer when the piston reaches the end point, reducing impact.
- Rotary cylinder: The piston drives the output shaft to rotate, suitable for rotary motion.
- Gas liquid damping cylinder: Combining the cylinder and hydraulic damping, it moves smoothly.
- Rod free cylinder: without piston rod, driven by magnetic field or cable, suitable for long-distance movement.
Application scenarios
- Cylinders are used in various fields due to their advantages of simple structure, easy control and maintenance, and no pollution
- Industrial automation: Drive conveyor belts, rotating tables, lifting tables, etc. to achieve material handling and assembly.
- Mechanical equipment: excavator buckets, forklift forks, stamping press heads, etc., providing linear or rotational power.
- Robots: Drive joint movements to achieve precise control.
- Other fields: aerospace (rudder control), medical (ventilator drive), military (artillery control), etc.