Composite bearing is a kind of oil-free lubrication bearing. It is based on high-quality low-carbon steel back and the surface is sintered with lead-tin bronze alloy. The composite bearing is made into a bimetal of copper and steel after several times of high temperature sintering and dense rolling. Rolled from strip. It has the characteristics of high bearing capacity, impact resistance, high temperature resistance, and strong self-lubricating ability. It is especially suitable for heavy load, low speed, reciprocating or swinging and other occasions that are difficult to lubricate and form an oil film. It is not afraid of water wash and other acid erosion. And scour.
Composite bearings are especially suitable for medium speed, medium load and low speed and high load occasions. Through special technological means, the composite bearing can process various oil grooves, oil pockets and oil holes on the friction surface to adapt to the use under different lubrication conditions. The products are mainly used in heavy-duty vehicles' balance bridge bushings and gaskets; automobile engines, chassis, motorcycle clutches, gear pump wipers and lifting equipment.
What should be paid attention to when using composite bearings?
1. Keep the bearing and its surrounding environment clean
Even if the invisible smile dust enters the bearing, it will increase bearing wear, vibration and noise.
2. Be careful when using the device
Strong punching is not allowed, hammers are not allowed to strike the bearings directly, and dry bearings are not allowed to transmit pressure through the rolling elements.
3. Use appropriate and accurate installation tools
Try to use special tools and try to prevent the use of cloth and short fibers.
4. Avoid bearing corrosion
When picking up the bearing directly by hand, wash away the sweat from your hands and apply high-quality mineral oil before stopping the operation. Pay special attention to rust prevention during the rainy season and summer.
However, under certain special operating conditions, the bearing can achieve a life that is better than traditional calculations, especially under light load conditions. These special operating conditions are that when the rolling surfaces (tracks and rolling elements) are effectively separated by a smooth oil film and limit the appearance of contamination that may be caused by damage. In fact, under ideal conditions, the so-called permanent bearing life is possible.
Warm reminder: Bearings should be placed in a monotonous, ventilated and level place, and should be stored separately from chemicals and other corrosive items. If multiple sets of bearings need to be stacked, three or more wooden blocks of equal height should be placed evenly between each set along the circumferential direction, and the positions of the upper and lower blocks should be different. For bearings that need to be stored after the anti-rust period, the cleaning and anti-rust treatment should be suspended again.
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