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Information about seals

by:ORK      2022-11-12
In the hydraulic system and its system, the sealing device is used to prevent the leakage of the working medium and the intrusion of external dust and foreign matter. The element that acts as a seal is the seal. External leakage will cause waste of working medium, pollute the machine and the environment, and even cause mechanical operation failure and equipment personal accidents. Internal leakage will cause the volumetric efficiency of the hydraulic system to drop sharply, failing to reach the required working pressure, or even unable to work. The tiny dust particles intruding into the system will cause or aggravate the wear of the friction pair of hydraulic components, which will further lead to leakage. Therefore, seals and sealing devices are an important part of hydraulic equipment. The reliability and service life of its work is an important indicator to measure the quality of the hydraulic system. Precautions for the installation of the skeleton self-tightening rubber seals oil seal Before installing the oil seal, it is necessary to check whether the surface of the journal is too rough and whether there are scars, especially whether there are long scars along the axial direction. If the surface of the journal is too rough, it is easy to damage the oil seal or accelerate the wear of the lip 1:3, destroying its sealing performance. If the surface of the journal has serious blunt impact scars due to improper disassembly and assembly, the oil seal lip will not fit tightly with the surface of the journal, resulting in oil leakage. In the above two cases, after surfacing the scar part, it can be turned on a lathe according to the specified journal size, or a new shaft can be replaced. If the journal has only metal burrs or burrs on the shaft head, etc., it can be smoothed with a file to prevent damage to the oil seal lip when installing the oil seal. Check whether the lip of the oil seal is broken, cracked or oily and corroded. If these bad phenomena are found, a new oil seal should be replaced. Except for the gap seal, rubber seals seals are used to control the gap between two adjacent coupling surfaces below the minimum gap through which the liquid to be sealed can pass. In the contact seal, there are two types of self-sealing compression seals and self-sealing self-tightening seals (ie lip seals). The function of the seal is to close the gap where the oil overflows in the tank, and prevent dust, sand and other dirt from invading the inside of the tank, but if installed or used improperly, it is easy to cause oil leakage and affect the normal operation of the machine. Causes burnt bearings, broken gears, broken drive shafts or other serious failures. Company website: https://www.orksealing.com/
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