Hebei Hankai single acting piston seal

The functioning of double lip oil seals is based on the principle of hydrodynamic lubrication. When a shaft rotates, the primary lip establishes a contact with the shaft surface, creating a micro-film of lubricant that facilitates smooth operation. This film reduces friction and wear, allowing the seal to maintain its integrity even under high-speed conditions. The secondary lip plays a crucial role in enhancing the sealing efficiency by reducing the chances of oil escaping and contaminants entering the sealed environment.

1. Disassembly The first step in seal repair is safely disassembling the hydraulic cylinder. This includes relieving any pressure in the system, disconnecting hydraulic lines, and carefully removing the cylinder from its mounting.

Oil seals are designed to prevent the leakage of lubricants and to keep contaminants out of critical components, such as bearings and gears. When machines operate, heat and friction generate wear and tear, making it essential to maintain a proper seal. An effective oil seal ensures that lubricants remain intact within the machinery while preventing the ingress of dust, dirt, and moisture. This contributes significantly to the performance and durability of mechanical systems.