Do you know these little facts about pneumatic cylinders?
Pneumatic cylinders are used every day. When it comes to selection and usage, everyone must be very familiar with them and can even share many insights with ease. It is certain that there are still some knowledge points that have been overlooked by oneself. Today, I've specially sorted out some. Maybe you already know some of them, but it's worth reviewing to gain new insights.
1. Pay attention to maintaining a distance between parallel pneumatic cylinders
The distance between the two parallel cylinder barrels must be greater than 40mm; otherwise, the magnetic switches of these two pneumatic cylinders will interfere with each other, causing malfunctions.
2. The wiring of magnetic switches should be as short as possible
The length of the wiring has no impact on the function usage. However, if the wiring is too long, the current will be very large when the switch is turned on, which will shorten the service life of the switch. If the wiring must be very long, exceeding 5 meters, a contact protection box must be used.
Precautions for Use in Special Environments
1. In strong magnetic environments, pneumatic cylinders with strong magnetic field resistance should be used.
2. In environments with a lot of dust, water droplets, or oil droplets, telescopic protective sleeves should be used on the cylinder rod side.
3. In an environment where there is iron powder and iron filings nearby, if no protection is taken, the magnet will attract the iron powder and iron filings to accumulate around it, weakening the magnetic force inside the cylinder, which may cause the magnetic switch to fail to operate.
4. Note - The shaft of the single-axis cylinder will rotate
Unless it is an anti-rotation single-shaft cylinder, the shaft of a single-shaft cylinder will rotate during movement, which may cause the bolt connection at the head of the piston rod to loosen.
5. The piston rod must never be subjected to radial force
The piston rod can only withstand axial push and pull forces. Do not let it be subjected to lateral forces just because it is thick and sturdy. Once it is subjected to lateral forces, the guide rod and the inner wall of the cylinder barrel will generate a special force, which will greatly shorten the service life of the cylinder.
If there is a radial force, it is essential to add guide rods or slide rails for assistance, or directly select a cylinder with built-in slide rails and guide rods. Pneumatic cylinders with built-in guide rods and slide rails are generally more expensive than those with built-in ones, but they are much smaller in size. Just choose according to the specific situation.
6. Protective measures should be taken at the moving parts of the cylinder
. Pneumatic cylinders are very likely to cause injury. Large cylinder diameters can directly lead to disability or even death. If there is no safety light curtain on the outside of the machine, protective measures must be taken at the parts where the pneumatic cylinders operate.
7. Additional buffering is very important
When the mass of the driven object is large and the speed is high, the self-buffering capacity of the cylinder is generally insufficient. We must add a hydraulic buffer or set up a deceleration circuit to assist in deceleration and stopping.
8. Pneumatic cylinders with guide rods must never be used as gear points
The stop point is equipped with a dedicated blocking cylinder. Do not think that a cylinder with a guide rod can also be used as a stop point. It cannot withstand radial impact. If it is used as a stop point, the guide rod will loosen within a few months, causing inaccurate positioning.
9. Supports should be designed in the middle of long-stroke pneumatic cylinders
A support should be designed in the middle of the long-stroke cylinder to overcome the sagging of the piston rod, the downward bending of the cylinder barrel, as well as the damage caused by vibration and external loads on the piston rod.
10. Fully consider the impact of power and gas cut-off situations and the misoperation of the cylinder
Especially for the gripper cylinder, when handling items, if there is a sudden power or gas cut-off and no protective measures are taken, it may cause the items to fall, damaging the machine or the products. If it is necessary to prevent the cylinder from malfunctioning due to power failure, a double-coil solenoid valve can be selected. It can maintain the original movement of the cylinder in the event of a power failure.
11. The piping between the cylinder and the solenoid valve should not be too long
If the piping between the cylinder and the solenoid valve is too long, it will make it difficult for the gas to be discharged and replaced. Over time, condensation is likely to occur.
12. Anti-loosening measures in vibrating environments
If the cylinder is used in a working environment with high viscosity and significant vibration, attention should be paid to preventing loosening of the design, installation screws, and all connection links.
13. Cylinder Lubrication
Nowadays, most pneumatic cylinders are pre-filled with grease, so there is no need to add lubricating oil. However, once lubricating oil is added, the oil supply cannot be stopped because the pre-added grease may be washed away. Failure to supply oil will cause poor cylinder operation.
Above is. Do you know these little facts about pneumatic cylinders content. To learn more related information, visit https://www.joosungauto.com/.
