Bearing maintenance
Rolling bearings are a wide range of important mechanical basic components that are widely used in various fields of the national economy and national defense. The mechanical and working environment in which rolling bearings are used varies widely, so special attention should be paid to the maintenance of the bearings and the service life of the bearings. Bearing Installation Rolling bearings are precision parts that are of high precision and, if not properly installed, will lose their precision and performance and, in severe cases, cause bearing failure. Therefore, the site where the bearings are mounted and the installation tools must be cleaned to prevent various particulates from being carried inside the bearings. When installing and disassembling the bearing, it should not be directly hammered. Uniform pressure should be applied. When the shaft and the bearing are engaged with a large interference, the bearing should be installed immediately after heating.
Anti-rust of bearing products
The bearing is a precision mechanical part. From the factory to the long-term circulation. In order to prevent the bearing from rusting during transportation or storage under various environmental conditions, it must be rust-proofed. According to the national GB/TS597 standard. The rust prevention period of the bearing is half a year. Generally, the anti-rust period of the bearing is one year, and the anti-rust period of the bushing with higher requirements for use is two years. Bearings cannot be used during rust prevention for a variety of reasons. When the bearing rust prevention period is reached, the original rust inhibitor should be removed.
Bearing packaging
Since the bearings are precision parts and there are many circulation links, the products are easily damaged by environmental conditions such as snow, dust, temperature, corrosive substances during these circulation processes. Therefore, the bearing packaging is required to have multiple performances, such as shockproof, moisture-proof, anti-collision, anti-corrosion, and pressure resistance.
Bearing storage
No leakage of rain should be allowed in the warehouse. The bearing storage position should be protected from direct sunlight. The indoor air should be circulated, but there should be no dust. Ventilation and temperature control equipment should be installed in the warehouse. The warehouse should be kept dry, the relative temperature should be controlled below 80%, the indoor temperature should be controlled at 25 degrees, and there should be no large temperature changes during the day and night. When the temperature is too low, the rusting agent is easy to crystallize and crack, resulting in rusting of some metal exposed. The temperature is too high, the rusting agent is easily lost (evaporated) or deteriorated, and the temperature difference between day and night is likely to cause moisture to condense on the bearing surface to cause rust. For winter seasons, the bearing storage location should not be close to the heating. The ground in the warehouse should be hard and not easy to get dust on the ground. Bearings must not be stored in a warehouse with corrosive materials such as acids, alkalis, and salts, chemical raw materials, and large materials. It is not easy to invade harmful gases around the warehouse where the bearings are stored.
Bushing transport
Improper transportation of the eclipse is the most likely to cause loss to the bearing, such as fretting wear, rust, smashing, indentation, etc., the most unloading can even lead to cracks in the bearing and directly fail. Therefore, special attention should be paid to the transportation quality of the transportation link to avoid unnecessary damage to the bushing. The bearing transporter should be placed horizontally and the pressure should not be applied to the outer diameter of the bearing to prevent deformation of the bushing. When the transport tools are placed on the pallet, the distance between the boxes should be as close as possible to reduce the impact and vibration caused by the shaking during transportation.
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