Oilless Bearings Solutions
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Aircraft Landing Gear – Graphite Spherical Plain Bearings
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Traditional bearings to ensure that the bearings work smoothly and reliably, most add lubricating oil for lubrication, but the biggest disadvantage of adding lubricating oil is that it requires the good sealing performance of the bearing, otherwise, it will produce leakage, and aircraft landing gear and other aerospace bearings, is not allowed to have lubricating oil leakage out, VIIPLUS self-lubricating joint bearings, as the name suggests its structure is like the human body’s joints, by with internal and external The spherical friction of the outer ring and inner ring, can be in any direction to do oscillation and rotation movement. The core technology lies in a self-lubricating fabric attached to the inner spherical surface of the outer ring. It can form a type of solid self-lubricating friction, so that the bearing can achieve the excellent performance of friction reduction and wear resistance in the process of movement, without the need to add lubricating oil for maintenance.
The benefits of oilless bronze bearings
Aerospace Bearing | The Viiplus Company
Viiplus is a supplier of a wide assortment of aerospace solutions encompassing bearings reliable replacement parts, and comprehensive overhaul services.
Aerospace bearings include aero engine bearings, gearbox bearings, airframe bearings, etc. Among them, aero engine bearings are one of the most demanding applications of Aerospace bearings, which work under special application conditions: ultra-high speed as well as very high load and temperature, and a very harsh working environment. Aircraft engine bearings not only work under severe conditions but they are also required to work reliably for long periods, up to thousands of hours. Therefore, these Aerospace bearings are not standard shelf products, but rather special bearings developed for specific applications, for specific aero engines, or other aerospace products.
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Aerospace Global Content Solution For Maintenance
Compared to other applications, Aerospace bearings have unique requirements and different implementation standards. Aerospace bearings have very demanding weight requirements, and companies are racking their brains to reduce weight. Therefore, many aircraft bearings are customized. Aircraft bearings have high requirements for ambient temperature, not only for the bearings themselves but also for lubricating grease/fluid and seals, etc. The special requirements of environmental conditions are also one of the characteristics of aerospace bearings.
Regular self-lubricating Aerospace bearings maintenance is essential to taking care of your substantial investment, as well as to safe working and to preserving your warranty coverage.
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Aerospace Bearing | Making Things Fly
Aerospace bearings can be used in fixed and rotary wing vehicles to save fuel consumption and labor costs. For example, hydraulic devices allow helicopter rotor blades to be folded up to 5,000 times without lubrication and maintenance. In the landing gear struts of large military transport aircraft, aerospace bearings provide static friction-free performance, low friction, and high wear resistance, while withstanding multiple small oscillations and extreme operating temperatures in the -54°C to +110°C (-65°F to +230°F) range.
Maintenance Your Aerospace Bearing
1. Inspection – end users are required to check the aerospace bearing for any signs of damage, deterioration, or any other visual changes. This will most commonly apply to easy-to-access parts, such as main-or tail-rotor components (for example self-lubricating bearings and rod ends, elastomeric or composite rods).
2. Measurement – end users are required to measure the parts’ functionality. Some examples are play or “looseness” measurement, torque measurement, or vibration measurement. All Viiplus products will be subject to some form of measurement check。
3. Replacement – end users will be required to replace an aerospace bearing either after a set number of flight hours or due to some criteria found through inspection or measurement.
Aeroengine and gearbox bearings
Aeroengine-bearing must operate reliably in life-critical situations. Selecting a bearing to provide optimum performance, in an aerospace application, is a complex process. This requires a thorough knowledge of bearing design, materials, lubricants, operating speeds, thermal limitations, manufacturing capabilities, and quality requirements.
In the aerospace industry, safety, reliability, space, and weight savings are challenges you constantly face. And so is passenger comfort. VIIPLUS surface solutions not only meet and exceed regulations and safety requirements but also help provide exceptional ride quality for passengers.
Our Aeroengine designs and manufactures bearings that meet the defined application requirements. Each Viiplus aerospace bearing is manufactured from the highest quality materials.
Looking for a solution for aircraft-related bearing?
Due to the high calculated operating temperature of aircraft engines, to effectively lubricate the aerospace bearings under such operating conditions, it is known that when the temperature exceeds the limit allowed for liquid lubricants, solid compounds containing oxides, sulfides, and fluorides of various chemical elements that are resistant to high temperatures and have stable properties can be used.
bronzeoilless.com lubrication with graphite containing high-temperature additives, the surface of which can form a friction-resistant chemical film, which reduces the coefficient of friction and minimizes the friction temperature drop.
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Designs, develops and distributes innovative solutions that reduce the cost, improve the time, Solid lubricated bearings are made of high strength brass with special formula as the matrix, which has high mechanical properties, good casting performance and good corrosion resistance. The surface is inlaid with a special formula of solid lubricant at a certain Angle and density, which is made by precision machining. Products are widely used in continuous casting machines, mining machinery, ships, gas turbines and so on.