Sliding roller bearing work smoothly, reliably, and without noise. Under liquid lubrication conditions, the sliding surface is separated by lubricating oil without direct contact, which can greatly reduce friction loss and surface wear. The oil film also has a certain degree of vibration absorption ability. But the starting friction resistance is relatively high. The part of the shaft supported by bearings is called the journal, and the parts that match the journal are called bearing shells. The application of sliding bearings is generally in low-speed and heavy-duty working conditions, or in operating parts where maintenance and lubrication are difficult.
Sliding roller bearing absorb and transmit forces between relative moving parts, maintaining the position and positioning accuracy of the two parts. In addition, it is necessary to convert directional motion into rotational motion.
Sliding friction occurs during the operation of sliding roller bearing; The magnitude of sliding friction force mainly depends on manufacturing accuracy; The magnitude of friction force in sliding bearings mainly depends on the material of the sliding surface of the bearing. Sliding bearings generally have self-lubricating functions on their working surfaces; Sliding bearings are divided into non-metallic sliding bearings and metal sliding bearings according to their materials.
During operation, sliding roller bearing generate friction due to the contact between the journal and the bearing shell, resulting in surface heating, wear, and even "bite". Therefore, when designing bearings, sliding bearing materials with good friction reduction should be selected for manufacturing.
How to prevent damage?
1. Strictly follow the cleaning and rust prevention regulations and the requirements of oil seal rust prevention packaging to carry out rust prevention treatment on the coating machine bearing parts during the processing and the assembled coating machine bearing products.
2. The quality of products such as rust proof lubricating oil and cleaning kerosene meets the requirements of process technology regulations.
3. Use high-quality steel materials.
4. Maintain a dry and clean production and usage environment.
5. The packaging materials meet the requirements of rust proof packaging.
6. The oxide skin and decarburization layer on the outer circle need to be completely removed.
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