VIIPLUS INTERNATIONAL |
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Low-friction aerial lift outdoor polymer plain bearings, with their corrosion resistance properties, are a reliable and efficient choice for outdoor applications. These bearings are designed to withstand harsh environmental conditions and provide smooth operation even under heavy loads. The polymer material offers excellent wear resistance and low friction, reducing energy consumption and extending the life of the bearings. Additionally, their corrosion resistance ensures that they can withstand exposure to various elements without degrading, making them suitable for use in outdoor aerial lift systems. Overall, these low-friction, corrosion-resistant outdoor polymer plain bearings are an ideal solution for ensuring reliable and efficient operation in outdoor applications.
Sliding Bearings offers a variety of metal bushings including brass bushings, steel bushing, & bronze bushings. If you already know which type of metal bushing is right for your application, you can quickly navigate to it below for more information:
Multi-layer compound oil-free bearing
It is rolling bearing with steel plate as matrix, sintered
spherical bronze powder in the middle and rolled PTFE and lead on the surface.It has the characteristics of small friction coefficient, good wear resistance, corrosion
resistance and no oil lubrication.
Using this product can reduce the cost, reduce the mechanical volume, avoid the phenomenon of shaft biting and reduce the mechanical
noise and other advantages.Products have been widely used in
various mechanical sliding parts, such as printing presses,
elevators, textile machines, tobacco machines, fitness equipment,
hydraulic trucks, micromotors, solenoid valves, automobiles,
motorcycles and household machinery.
Oilless bearing is a new type of bearing which has the characteristics of both metal bearing and oilless bearing.
An aerial lift, also known as a cable car, is a means of cable transport in which cabins, cars, gondolas or open chairs are hauled above the ground by means of one or more cables. Aerial lift systems are frequently employed in airport,mountainous territory where roads are relatively difficult to build and use, and have seen extensive use in mining. Aerial lift systems are relatively easy to move, and are and have been used to cross rivers and ravines. In more recent times, the cost-effectiveness
Max. load | Static | 250N/mm2 | Max.speed | Dry running | 0.08~0.20 | |
Very low speed | 140N/mm2 | Hydrodynamicoperation | 0.02~0.08 | |||
Rotatingoscillating | 60N/mm2 | Frictioncoefficient | Dry | 2m/s |
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Hydrodynamic | >2m/s |
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Max. PVdryrunning) | Short-termoperation | 3.6N/mm2*m/3 | Thermal conductivity | 42W(m*K)-1 |
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Continuousoperation | 1.8N/mm2*m/3 |
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PV max. hydrodynamic | -195℃~+280℃ | Coefficient of thermalexpansion | 11*10-6*K-1 |
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Plain Bearings Advantages
The advantages of oil-free bearings are well known.
Oilless bearing is a new type of bearing which has the
characteristics of both metal bearing and oilless bearing.
It has the characteristics of high bearing capacity, impact resistance, high temperature
resistance, strong self-lubricating ability, etc., especially
sliding bearing is suitable for heavy load, low speed,
reciprocating or oscillating, etc., which is difficult to lubricate and form oil film, and is not
afraid of water and other acid corrosion and erosion.It is
generally reported by users that the embedded bearing not only
saves oil and energy, but also has a longer working life than
ordinary sliding bearing.
Oilless bearing the product is based on steel plate as the matrix,
the middle layer sintered spherical bronze powder, surface rolling
polytetrafluoroethylene and lead mixture.It has the characteristics
of small friction coefficient, wear resistance and corrosion
resistance, oil-free self-lubrication and long service life, it can
reduce the cost, reduce the noise, prevent sticking and sliding.
1. PTFE/Fibre mixture thickness 0.01~0.03mm. It is thecontact
surface for the rotating shaft. Minute partidesof thePTFE layer and
the sintered bronze material combine tocreate a solid lubricant
film, which coats the shaft.
2. Sintered bronze powder thickness 0.20*0.35mm,A special
composition of powdered copper is thermally fused to the steel
backing. This contact layer acts as an anchor for the PTFE layer
and conducts the thermal build up away from the bearing surfaces.
3. Low-carbon steel backing. Setting the foundation of the
bushings, the steel back provides exceptional stability, load
carrying and heat dissipation characteristics.
Printing press, elevator, textile machine, tobacco machine, fitness equipment, hydraulic truck, micromotor, solenoid valve, automobile, motorcycle and home machinery.
Bearings Matters needing attention
One, should determine the shaft, shaft shell mating surface whether
there is bump, bump, etc.
Whether dust or mold sand is attached to the surface of the bearing
housing.
Third, although is the slight bump, the protuberance and so on, if
has must the oil grindstone or the fine sandpaper remove.
Four, in order to avoid the surface of the shaft and shaft shell
should be rubbed with a small amount of lubricating oil.To install
the bearing on the shaft, apply force on the inner ring; to install
the bearing on the bearing housing, apply force on the outer
ring.To apply force in the bearing, be sure to pay attention to
make the force vertical and uniform down, deflection will make the
bearing injury.To this end, absolutely try to avoid playing wide.
Five, the hardness of the bearing, because of overheating and
reduce the worry, therefore, must not exceed 100 degrees.At this
time, the bearing must be suspended with steel wire, or placed on
the wire line, support plate, do not place at the bottom of the
groove.When the bearing reaches the desired temperature (below 100
degrees), it should be taken out of the groove immediately and
quickly put into the shaft. The bearing will contract with the
temperature drop. Sometimes there will be a gap between the shaft
shoulder and the bearing end face.
Six, oil-free bearing bearing retainer and seal plate also
absolutely can not apply force.The installation method of hammer
and sleeve is commonly used, because it will damage the bearing, so
do not directly knock.Make sure the sleeve is inserted in the
middle and knocked in, as shown.The hammer should be gently
struck.In the mechanical structure, the inner and outer rings are
tight fit, should use plate, make sure that the force can be added
to the inner and outer ring pressure into.
If only in the inner ring pressure, the force will be through the
ball and pressure into the outer ring, therefore, will cause a scar
on the track surface.To install the bearings with large tolerance
on the shaft, heating the bearings to 80-90 degrees and expanding
the inner diameter in clean oil is widely adopted.
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