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During long-term operation, pneumatic cylinder seal kits constantly come into contact with and rub against the cylinder wall and piston surface. If lubrication is insufficient or the surface roughness is high, the wear rate of the seals will accelerate. Ultimately leading to a drop in internal cylinder pressure.

Common internal wall treatments in pneumatic cylinder barrel manufacturing include: • Boring • Honing • Grinding • Polishing • Surface coating These processes are typically not used individually, but rather in combination based on the design requirements of the pneumatic cylinder barrel.

The biggest problems in pneumatic system maintenance are compressed air quality and the condition of the system seals. These two issues directly affect the stability of the entire pneumatic system and ultimately manifest in the operating condition of the pneumatic cylinder barrel.

In conventional industrial applications, the movement speed of a pneumatic cylinder typically falls within the following range: 0.1 m/s ~ 1.5 m/s Under special design conditions, some pneumatic systems can even reach: Above 2 m/s

During long-term operation, the piston repeatedly moves inside the cylinder. The seals need to maintain contact with the cylinder surface to achieve a sealing function. With increased use, the sealing rings in pneumatic cylinder seal kits may gradually wear down, leading to a decrease in sealing performance.

Under normal design and installation conditions, pneumatic cylinder seal kits should be stably fixed within the sealing groove. If they detach, it usually indicates a problem in some aspect. Common causes include improper installation, an inadequate sealing groove design, material aging, and abnormal pressure.