How Should The Seal Ring Of A Rodless Cylinder Be Replaced? What Are The Precautions?
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Today, I will share with you how to replace the sealing ring of rodless cylinder and what points to pay attention to during the replacement process. In this issue, we mainly take SMC as an example.
When using imported O-rings, the quality of the operation during the installation process directly determines whether the sealing state is stable, and also has a huge impact on the service life of the imported O-rings. In addition, leakage problems that occur in later use are often caused by imperfect installation operations, which can easily damage the O-ring products. Although imported O-ring parts can be replaced during equipment operation, if the damaged sealing parts are not replaced in time, it will cause great production losses and may even cause damage to the production equipment.
Therefore, during the installation process of SMCrodless air cylinder, you must pay attention to the handling of each detail, especially the scratches and damage. Mistakes are not allowed in the installation operation. Although the imported O-ring itself has high elasticity and deformation strength, incorrect installation will still cause great damage to the sealing parts. Problems such as scratches on the sealing ring or distortion caused by careless installation are typical safety hazards.
Before installing SMCrodless pneumatic cylinder, be sure to thoroughly clean the sealing groove and mating surface to remove all impurities. If there are cracks or scratches, replace the intact parts in time. At the same time, evenly apply grease on the surface of the O-ring to ensure the integrity of the equipment during use.
In addition, to prevent the imported O-ring from being scratched by sharp objects during installation, a certain lead-in angle is left at the installation shaft end and the hole section to ensure that the sealing ring can be smoothly installed in a fixed position. If a section of thread needs to be passed during installation, a special metal guide sleeve must be used for operation. In addition, when passing through the incision, it is more important to keep the O-ring from contacting the sharp part. Only when it is intact can it work normally.
SMCrodless air slide sealing ring is mainly for the sealing of air pressure system. In fact, we know that the pneumatic rodless linear actuator sealing ring standard can be divided into many types according to the cross-section of the sealing ring. I will not introduce them here. The rodless cylinder pneumatic sealing ring is an important and effective means to solve the leakage problem of air pressure system. If the seal ring of the hydraulic system is bad, the cylinder rodless seal ring may leak out unacceptably, and the leaked oil will pollute the environment; it may also allow air to enter the oil suction chamber, affecting the working performance of the pneumatic pump and the stability of the movement of the pneumatic actuator. Therefore, it is very important to reasonably select and design the seal ring device in the design of the pneumatic system.
However, I believe that many people, like me, are confused about what the rubber O-ring is. After learning, I have sorted out the following information. Please take a look.
1. Brief description
1. SMClong stroke rodless cylinder is a rubber ring with a circular cross-section. Because its cross-section is O-shaped, it is called a rubber O-ring. It is a widely used one in hydraulic and pneumatic transmission systems.
2. SMClow profile rodless air cylinder is an annular rubber seal ring with a circular cross-section, which is mainly used to prevent the leakage of liquid and gas media in mechanical parts under static conditions. In some cases, O-type seals
can also be used as dynamic sealing elements for axial reciprocating motion and low-speed rotational motion. According to different conditions, different materials can be selected to adapt to them.
3. When SMCpneumatic rodless actuators is usually selected, try to use an O-ring with a large cross-section. Under the same gap, the volume of the O-ring squeezed into the gap should be smaller than the maximum allowable volume squeezed into it
4. SMCrodless is a commonly used sealing form in fluid power systems. It works well in many fluid power systems, but it must be cautious and careful during operation. O-rings can only work when deformed. O-rings are shaped like O-rings. They are installed in the sealing groove and then pressed tightly so that there is no gap in the sealing groove, thereby sealing the liquid or air flow. Although this simple sealing structure has a good sealing effect in the fluid power system, good sealing can only be achieved through careful design, careful selection and proper installation.
