MoS2 self lubricating bearings
MoS2 self lubricating bearings
Discover our plain bearings: Flange bearings, sleeve bushings, and thrust washers. Customizable bushing materials available. Our products are wear-resistant, maintenance-free, and designed to withstand dirt, dust, and corrosion.
Steel Bushing Sleeves with MoS2: Innovating Performance with Self-Lubricating Bearings
In the world of machinery and equipment, bearings play an essential role in facilitating smooth and efficient operation. The advent of self-lubricating bearings has taken this a step further, dramatically reducing maintenance needs and enhancing performance. One such innovation is the steel bushing sleeve enhanced with Molybdenum Disulfide (MoS2) for self-lubrication.
Exploring Steel Bushing Sleeves with MoS2
Steel bushing sleeves with MoS2 are a breakthrough in bearing technology, offering an effective blend of durability, performance, and ease of maintenance. The core of these bearings is constructed from high-quality steel, renowned for its strength and durability. This makes them capable of handling heavy loads and challenging working conditions.
However, the real magic lies in the addition of MoS2. Known for its excellent lubricating properties, Molybdenum Disulfide serves as a solid lubricant, significantly reducing friction between moving parts.
The Advantage of MoS2 Self-Lubrication
In steel bushing sleeves with MoS2, the lubricant is incorporated directly into the bearing material. As the bearing operates, the MoS2 provides a steady supply of lubrication to the contact surfaces. This reduces friction and wear, facilitating smoother operation and extending the lifespan of the bearing.
Benefits of Steel Bushing Sleeves with MoS2
These advanced bearings offer a plethora of advantages:
- Self-Lubricating: The MoS2 ensures continuous lubrication, reducing the need for regular maintenance and grease application.
- Durability: The steel construction guarantees high load capacity and excellent resistance to wear and tear.
- Versatility: Thanks to their robust design, these bushing sleeves can be used in a wide range of applications, across diverse industries.
- Efficient Operation: With reduced friction, the bearings operate more smoothly and efficiently, enhancing the overall performance of the equipment.
Applications of Steel Bushing Sleeves with MoS2
Due to their robust properties, these bearings find widespread use in numerous sectors, including automotive, construction, mining, and manufacturing, among others. They are an excellent choice for any scenario requiring low maintenance, high load capacity, and reliable operation.
To sum up, steel bushing sleeves with MoS2 represent a significant leap in bearing technology. Their self-lubricating feature, combined with the strength of steel, makes them a preferred choice for a myriad of applications. These bearings are not only efficient and reliable but also reduce the time and cost of maintenance, making them an invaluable component in any machinery or equipment.
MoS2 self-lubricating bearings, composite plain bearings- viiplus.com
Embedded lubricant MoS2 – Oil-Free Bushings
Shop Embedded lubricant MoS2 – composite plain bearings at viiplus.com and we offer FREE CAD download, short lead times, and competitive pricing.
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Direct sale of self-lubrication bearing POM bearing sleeve copper sleeve heavy load-bearing accessories non-standard customization size
Materials
High performance and environmentally safe
composite plain bearings’ material combination allows low-wear sliding characteristics together with high load carrying capacity and thermal conductivity.
The static load carrying capacity reaches values of up to 250 N/mm2.
All metal/polymer composite plain bearings are free from lead in accordance with the End of Life Vehicles Directive, Directive 2000/53/EC as well as the Directive 2011/65/EU (RoHS-II) for the
restriction of hazardous substances. They are thus environmentally safe.
The main factors affecting MoS2 self-lubricating bearings life
1) the influence of PV value
PV value is an effective index to determine the wear life of POM BUSHINGS. If life extension is required, the PV value must be reduced.
2) the influence of bushings temperature
The higher the ambient temperature, the shorter the service life of POM BUSHINGS.
3) the impact of dual parts
The service life of POM BUSHINGS bearing can be significantly improved when the dual part adopts alloy steel or hard chromium plated shaft, and the surface roughness Ra=0.4~0.63 range.
In addition to the standard products shown in the catalog, non-standard products can also be provided or ordered upon customer request.
PTFE composite
PTFE composite bearings consist of a sheet steel backing on which a 0,2 to 0,4 mm thick the porous layer of tin/bronze is sintered . By a rolling process, the pores of the sintered layer are filled with a mixture of PTFE (polytetrafluoroethylene) and molybdenum disulphide (designation suffix E). An additional 5 to 30 μm thick running-in a layer of the mixture is then applied to the sintered tin/bronze. This additional layer provides an optimum combination of the mechanical properties of the sintered tin/bronze and the good sliding and lubricating properties of the
PTFE mixture. PTFE composite bearings have good dimensional stability and thermal conductivity.
POM composite
Like PTFE composite bearings, POM composite bearings also have a sheet steel backing that is covered with a 0,2 to 0,4 mm thick layer of sintered tin/bronze. The principal characteristic of these bearings is their relatively thick (0,3 mm) layer of acetal resin (POM – polyoxymethylene) that is firmly attached to the sintered tin/bronze layer. The covering layer has pockets to retain grease.
The thickness of the covering layer makes these bearings less sensitive to misalignment and the edge loading associated with that misalignment.
The self-lubricating bearings product description
The boundary lubrication bearing is based on the steel back, the middle sintered spherical bronze powder, the surface of the modified (POM), and contains the oil storage pit. It is suitable for room temperature conditions, low-speed medium load place, replace the traditional copper sleeve, not only reduce the cost and extend the service life. Under special circumstances, the machine can save refueling frequency and simplify the replacement process. Products have been widely used in automobile chassis, forging machine tools, metallurgical mining machinery, engineering machinery, water and electricity, steel industry, and other fields.
Technical parameters
- Maximum bearing pressure: 70N/mm2
- Applicable temperature range: -40℃ ~ 130℃
- Maximum sliding speed: 2.5m/s
- Friction coefficient: 0.05 ~ 0.25
- Maximum allowable PV value: 2.8n /mm2. M /s
- Maximum allowable PV value: 22 N/mm2. M /s
Characteristics
The important characteristics of Viiplus composite plain bearings include
• maintenance-free
• no lubrication required (PTFE composite)
• initial lubrication required (POM composite)
• minimum wall thickness, minimum space
requirements
• accommodation of heavy loads
• wide range of operating temperatures
• good sliding properties
• virtually no stick-slip
• high wear-resistance
• less sensitive to edge loading
(POM composite)
• no machining required.
Application characteristics
1. Good bearing capacity, good wear resistance.
2. It is suitable for rotating motion and rocking motion under high load and low speed, and it is often opened and closed frequently under load and not easy to form hydrodynamic lubrication.
3. Under the boundary lubrication condition, it can be maintained without refueling for a long time, and refueling in the overlayer makes the bearing service life longer.
4. The surface plastic layer can be left a certain amount in the process of forming and can be processed by itself after assembling and pressing into the seat hole, so as to achieve a better assembly size.
5. The products are mainly used in automobile chassis, metallurgical machinery, mining machinery, water conservancy machinery, construction machinery, agricultural machinery, steel rolling equipment, etc.
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