​Solutions to the problem that the cylinder cannot move smoothly and jitter occurs and the speed is uneven

The cylinder cannot move smoothly, causing jitter and uneven speed, especially at low speeds

The main reasons are as follows:

1. Insufficient lubricating oil.

2. Insufficient air pressure

3. Mixed with dust

4. Improper piping

5. The cylinder installation method is improper.

6. In order to do low-speed exercise (this low-speed exercise exceeds the limit of possibility)

7. The load is too large.

8. The speed control valve is on the inlet throttling circuit.

The solution is as follows:

1. Check the consumption of the lubricator. When the consumption is less than the standard, readjust the lubricator. This phenomenon can often be found if you observe the state of the piston rod sliding surface.

2. When the operating pressure of the cylinder is low, sometimes the piston cannot move smoothly due to the load, so the operating pressure should be increased. Too little air supply is one of the reasons why the cylinder movement is not smooth. The flow rate corresponding to the size and speed of the cylinder should be ensured

3. Due to the mixing of dust, the viscosity of dust and lubricating oil increases, and the sliding resistance increases. As shown, efforts should be made to prevent dust from being mixed into the air.

4. The problem is that the piping is thin or the joint is too smallThe reason why the cylinder does not move smoothly is that the valve in the piping is leaking and improper use of joints will also cause insufficient flow. You should choose Appropriately sized components.

5. A guide device is used to move the load. If the piston rod is tilted against the guide device and the friction increases, it will not move smoothly, and sometimes it will even stop.

6. When the low-speed movement is below 20mm/s, crawling phenomenon often occurs, and a gas-liquid converter should be used.

7. Reduce load changes and increase usage pressure. Use large diameter cylinder.

8. Modify the outlet throttling circuit.



Note: The air should flow freely in the speed control direction of the cylinder , and controlling the output air is an important point of the cylinder control point.

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