Comprehension: How does a double-acting pneumatic cylinder work?

Understanding the working method and principle of double-acting cylinders is very important.

How does a double acting pneumatic cylinder work?

What is a double acting pneumatic cylinder?Double-acting cylinders operate similarly to single-acting cylinders, both being driven by compressed air. This article will introduce the working principle, influencing factors, speed, and logic control of double-acting cylinders.

Working principle of a double acting pneumatic cylinder

Initial state

Extended stroke

Maximum stroke

Return stroke

Return to initial position

Speed control and adjustment

Applications of Double-Acting Cylinders

Manufacturing and Automation

Machinery and Equipment

Construction and Earthmoving

Agricultural Machinery

Aerospace

Medical Equipment

Factors affecting cylinder output force

How much weight can a pneumatic cylinder lift?The calculation of pneumatic output force enables accurate evaluation of a cylinder’s load-bearing and driving capability under actual working conditions, serving as a fundamental basis for proper equipment selection, reliable operation, and overall safety. Its primary influencing factors include cylinder bore diameter, supply air pressure, effective piston area, sealing performance, and overall system efficiency.

Cylinder Bore Diameter: The larger the piston area, the greater the output force.

Supply Air Pressure: Increasing air pressure can significantly enhance the output force.

Effective Piston Area: The effective piston area directly determines the air pressure acting surface, thereby determining the pushing or pulling force.

Friction and Seal Efficiency: The cylinder's output force is reduced due to friction and losses in the sealing components.

System Efficiency: This includes pressure drops in the air circuit, valve flow capacity, and the exhaust capability of the cylinder's air ports.