1. Cylinder seals
Cylinder seals: piston rod seal (piston rod dust + piston rod seal), piston seal, other tight seals;
Second, the principle of sealing
The device seal is to prevent the leakage of the material medium and the entry of dust and tiny particles in the surrounding environment, to prevent damage to the components and to reduce the service life.
1. Piston Rod Sealing Principle: The function is to prevent or restrict the flow of air into the atmosphere or the isolation chamber. Each sealing ring is installed in a separate packing box. Each sealing ring is hooped on the piston rod to achieve a sealing function.
In addition to the stuffing box that seals the cylinder, there is a scraper ring on the piston rod that prevents oil from escaping from the crankcase along the piston rod.
2. Piston ring sealing principle: Its function is to seal the gas and heat conduction after the fuel burst. The seal is achieved by the tangential spring force of the piston ring. The piston ring is in an elliptical working state in a free state and is a perfect circle. This creates a spring force. There are many kinds of oil rings. The combination oil ring is the combination of the blade and the ring, and the blade ring is supported by the ring.
The sealing principle of the piston ring is both throttled and blocked. The outer diameter of the ring is blocked by the cylinder wall, and the gas is throttled between the end face of the ring and the ring groove to jointly seal.
3. O-ring seal principle: O-ring seal is a relatively common static seal ring. It has simple structure, convenient installation, light weight, good sealing performance, cheaper price and shorter service life.
Jiayuan is one of the leading Perkins Cylinder Head Manufacturer. Our Perkins 3.152 Cylinder Head ASSY has high quality and competitive price. Welcome contact us.
Whatsapp