German FESTO cylinder with or without rod chamber: Which is the left chamber? Answer to the question

1、 Extension and retraction control method of FESTO cylinder in Germany

The German FESTO cylinder is a pneumatic actuator widely used in the field of mechanical manufacturing. It has the advantages of high output force and smooth motion, and is widely used in various industries such as metallurgy, machinery, electricity, chemical industry, and light industry. The movement of the cylinder can be controlled by controllers such as pneumatic valves or solenoid valves.

1. The German FESTO cylinder controls the extension and retraction. The pneumatic valve controls the opening and closing of the air path, allowing the cylinder to move in both forward and reverse directions. Pneumatic valves have the advantages of simple structure, reliable performance, and easy maintenance, and are widely used in the field of industrial automation control.

2. The actuator of the FESTO cylinder switch in Germany can also control the extension and retraction of the cylinder. The solenoid valve controls the opening and closing of the air circuit through the attraction and disconnection of the electromagnet, enabling the cylinder to achieve forward and reverse movement. Electromagnetic valves have the advantages of fast response speed and convenient control, and are widely used in industrial automation production lines and other fields.

3. The German FESTO cylinder is a computer controller widely used in industrial control systems. PLC can control numerous devices, including the motion control of cylinders. PLC controls the extension and retraction of cylinders through programming and logical operations. PLC has the advantages of fast operation speed and high control accuracy, which can effectively improve the automation level of industrial production lines.

2、 Application of German FESTO cylinder in pneumatic system

FESTO cylinders from Germany are widely used in pneumatic systems, with common application scenarios including:

1. Automation Control in Industrial Production Lines

The German FESTO cylinder, as a pneumatic actuator, can be controlled through various controllers. In industrial production lines, cylinders can be used for various automation control processes, such as handling, loading and unloading, rotation, etc.

2. Joint control of robots

A robot is an electromechanical integrated system with a robotic arm and various sensors, and cylinders can serve as joint controllers for the robot. During the movement of the robot, it is necessary to control the expansion and contraction of each joint, and the cylinder can achieve various motion controls of the robot.

3. Control in stress testing equipment

German FESTO cylinders are also commonly used in pressure testing equipment, such as hydraulic presses, tensile machines, etc. In this device, it is necessary to control the cylinder to achieve pressure or tension testing of the sample.

1、 The essence of the left and right positions of the cylinder chamber depends on the viewing angle and installation method

Users often mistakenly believe that the "left chamber" of the cylinder is fixed and unchanging, but in fact, the left and right division of the rod chamber and rodless chamber needs to be combined with the following factors:

1. Perspective definition: According to the international standard ISO 6431, the "left and right" of the cylinder is based on the direction in which the piston rod extends. If the piston rod extends to the right, the right side has a rod chamber and the left side has no rod chamber; Vice versa.

2. Installation direction: If the cylinder is installed vertically or upside down, the left and right sides need to be redefined. For example, when installed vertically, the side closer to the ground is usually referred to as the "lower chamber" (which may correspond to a rodless chamber).

3. Manufacturer labeling: Some brands may label the cylinder body with "A chamber" (without rod chamber) and "B chamber" (with rod chamber), which need to be confirmed in conjunction with the instruction manual.

The German FESTO cylinder A chamber corresponds to the rodless chamber by default, but if the cylinder is rotated 180 ° for installation, the original "left chamber" may become the right chamber.

2、 How to quickly identify the left and right chambers of a cylinder?

1. Observe the position of the piston rod: If there is a rod chamber, it must be connected to the piston rod, and if there is no rod chamber, it is the closed end.

2. Ventilation port labeling: Most German FESTO cylinders are labeled with "P" (intake port) on the rodless side and "R" (exhaust port) on the rodless side, but attention should be paid to differences in air path design.

3. Functional testing method: Observe the direction of piston movement after ventilation. When extended, it is rodless chamber intake, and when retracted, it is rodless chamber intake.

3、 Common Misconceptions and Solutions in Engineering Practice

1. Misconception: Believing that "left cavity=rodless cavity" is a universal rule.

-Correction: In a hydraulic system failure case, the control signal was reversed due to the unconfirmed installation direction, causing piston impact. The solution is to label the cavity function during the design phase (such as "A/B cavity" instead of "left and right").

2. Differences in special cylinders:

-Both ends have piston rods, and the chambers need to be distinguished by stroke limiters.

-Multi position cylinder: The chamber function may dynamically switch and rely on sensor feedback.

4、 Professional standards and data references

-The formula for calculating the cylinder chamber volume of FESTO in Germany is:

-German FESTO cylinder chamber volume \ \ (V_1=\ \ pi \ \ times (D/2) ^ 2 \ \ times S \ \)

-Rod cavity volume \ \ (V_2=\ \ pi \ \ times [(D/2) ^ 2- (d/2) ^ 2] \ \ times S \ \)

For the cylinder diameter\\ (d \ \) is the diameter of the rod\\ (S \ \) is the itinerary)