Lubricating bearing
Lubricating bearing
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.
Self-Lubricating copper alloy water-lubricating bearing, Light and robust: oilless graphite thrust bearings!
Graphite Copper Sleeve: Specification, Wear Resistance, and Manufacturer Supply
The Graphite Copper Sleeve represents a synthesis of advanced materials engineering, offering a solution characterized by enhanced wear resistance and durability. Created by the casting of ZCuPb30, a high-grade copper alloy, this sleeve is supplied by renowned manufacturers, ensuring quality and reliability. Below is a detailed overview of the specifications, wear resistance, casting process, and manufacturer supply of the Graphite Copper Sleeve.
Specification Table:
- Material Composition: ZCuPb30 Copper Alloy infused with Graphite.
- Hardness & Strength: Superior to conventional copper sleeves due to the high strength and hardness of the ZCuPb30 alloy.
- Lubrication: Self-Lubricating with embedded Graphite, eliminating the need for external lubrication.
- Design: Available in various designs to accommodate different industrial applications.
Wear Resistance:
The integration of Graphite within the ZCuPb30 Copper Alloy enhances the wear resistance of the sleeve significantly. The self-lubricating property of Graphite reduces friction between the moving parts, minimizing wear and extending the lifespan of the sleeve.
Casting Process:
The Graphite Copper Sleeve is manufactured through a precise casting process, ensuring uniform incorporation of Graphite within the ZCuPb30 alloy. This meticulous process guarantees the structural integrity and uniformity of the sleeve, resulting in a product of high quality and reliability.
Manufacturer Supply:
Renowned manufacturers specializing in advanced material engineering supply the Graphite Copper Sleeve. These manufacturers adhere to stringent quality control measures, ensuring that each sleeve meets the highest standards of quality, durability, and wear resistance. The availability of Graphite Copper Sleeves from reputable suppliers guarantees reliability and performance in various industrial applications.
Applications:
The Graphite Copper Sleeve finds applications across various industries due to its superior wear resistance, self-lubricating properties, and durability. It is especially beneficial in scenarios where high load, impact loads, oscillatory motions, and elevated temperatures are encountered, and where conventional lubrication is impractical.
Conclusion:
The Graphite Copper Sleeve, cast from high-grade ZCuPb30 copper alloy and integrated with Graphite, stands out as a wear-resistant and self-lubricating solution, supplied by leading manufacturers. Its superior specifications and versatile applications make it a preferred choice in numerous industries, promising reliability, longevity, and optimal performance under demanding conditions. The availability from reputable manufacturers ensures that industries receive a product that upholds the highest standards of quality and reliability, paving the way for enhanced industrial efficiency and innovation. Whether it’s the advanced casting process, wear resistance, or the precision in specifications, the Graphite Copper Sleeve is a testament to advancements in material engineering and manufacturing processes.
Graphite White PTFE Bearings in Saltwater Seafood Lines: The Zero-Maintenance Solution
In marine environments and seafood processing lines, particularly saltwater ones, corrosion is an omnipresent menace. Traditional grease bearings succumb to the onslaught of corrosive washdowns and saltwater exposure. This has long posed a challenge for those working in these conditions, where equipment must be able to withstand aggressive environments, yet still perform reliably. With the introduction of graphite white PTFE (polytetrafluoroethylene) bearings, this challenge is being successfully overcome, a reality best encapsulated by a maintenance supervisor’s gleeful proclamation: “I love zero maintenance!”
What makes graphite white PTFE bearings so special? Let’s explore.
A Shift to Self-Lubricating Graphite White PTFE Bearings
Graphite white PTFE bearings are a leap forward in the realm of anti-corrosion technology. The bearings are self-lubricating, meaning they do not need the constant addition of lubricating grease to function properly. This makes them perfect for high-demand scenarios such as a salmon fillet line, where traditional grease bearings would need constant maintenance and frequent replacement due to the corrosive effects of seawater and rigorous washdown processes.
The combination of graphite and PTFE, two materials known for their excellent tribological and anti-corrosive properties, results in a bearing that boasts excellent chemical resistance. PTFE, in particular, is famed for its ability to resist a broad spectrum of chemicals, making these bearings perfect for environments laden with saline water, cleaning chemicals, and the biological elements found in seafood processing.
High-Temperature Resistance
An additional advantage of the graphite white PTFE bearings is their exceptional heat resistance. The bearings can operate effectively in a wide range of temperatures, from -400°F (-240°C) to +1000°F (+535°C). This resistance extends the application of these bearings to situations where high-temperature applications are necessary, such as in sterilization processes or in machinery that operates at elevated temperatures.
Zero Maintenance: A Key Advantage
Perhaps one of the most compelling advantages of these graphite white PTFE bearings is the drastic reduction in maintenance demands. The self-lubricating properties of the bearings mean that the need for periodic lubrication – a labor-intensive and time-consuming task – is eliminated. This is a game-changer for maintenance staff, reducing both the time and cost associated with bearing upkeep.
Conclusion: A Ground-Breaking Solution
In environments where corrosive elements and high temperatures are par for the course, traditional bearings fall short. However, the advent of graphite white PTFE bearings has proven to be a ground-breaking solution. The combination of graphite and PTFE creates a bearing that is self-lubricating, chemically resistant, heat-resistant, and virtually maintenance-free.
Seafood processing lines, particularly those that deal with saltwater, require robust solutions to ensure consistent, reliable performance. With graphite white PTFE bearings, the industry now has a durable, cost-effective solution that can withstand the rigors of the job, significantly reducing maintenance time and costs and providing a higher level of operational reliability. In the words of one satisfied maintenance supervisor: “I love zero maintenance!” Indeed, this may just be the catchphrase for the future of the seafood processing industry.
Bronze bearings inserted with PTFE plugs, which are used underwater, marine
Check the list with standard sizes in bronze bushings and lubricating bearings and request our price of stock available.
Structure: Aluminum brass base– embedded with modified PTFE.
Feature
1. Good anti-friction and wear-resistant effect with PTFE as a lubricant, especially when working in a humid and seawater
2.No electric corrosion with the shaft compared with graphite as a lubricant
Application
1. Port machinery
2. Wind power generator on the island
Oilless Bearing | Oilless Thrust Washer Graphite Plugged Bearing Bushing Brass Bearing Manufacturer,
Base material: CuZn25A16Fe3Mn3
Ultimate dynamic load: 100N/mm²
Friction Coef. μ: 0.04-0.20
Max operating temperature: 200℃
Product function: mold guide sleeve
Function: high load-bearing self-lubrication
Production process: CNC machine
Casting Technology
Our factory provides sand casting, metal casting, centrifugal casting, and other casting processes to meet the performance requirements of various casting products.
Centrifugal casting has the capacity of producing large copper bushing, copper bushing, and copper worm gear. In this process, the product density is good, the hardness of copper casting, tensile strength, wear-resistance, and other mechanical properties are far higher than the molding processing copper casting. Self-lubricating products with the most excellent quality, perfect service, low price sales win the market.
Centrifugal casting is to pour liquid metal into a rotating cast, solidification formed copper casting axis and the axis of the rotating cast coincide. Under the action of centrifugal force, the metal crystallization from the casting wall to the inner surface of the casting sequence, directional crystallization, slag, gas, inclusions and others concentrated in the inner surface of the casting, the other parts of the casting structure is fine, no pores, shrinkage holes, slag inclusion defects, and fine structure, so the mechanical properties of the casting is good; Centrifugal casting does not need pouring system, no consumption of molten metal at risers and other places, and the core can be omitted when casting hollow castings, so the equipment investment is less and the efficiency is high.
| Material | Main ingredients/％ | |||||||||||
| Sn | Zn | Pb | P | Ni | Al | Fe | Mn | Si | Cu | |||
| ZCuSn3Zn8Pb6Nil | 2.0～4.0 | 6.0～9.0 | 4.0～7.0 | — | 0.5～1.5 | — | — | — | — | Rest | ||
| ZCuSn3Zn11Pb4 | 2.0～4.0 | 9.0～13.0 | 3.0～6.0 | — | — | — | — | — | — | Rest | ||
| ZCuSn5Pb5Zn5 | 4.0～6.0 | 4.0～6.0 | 4.0～6.0 | — | — | — | — | — | — | Rest | ||
| ZCuSn10Pb1 | 9.0～11.5 | — | — | 0.5～1.0 | — | — | — | — | — | Rest | ||
| ZCuSn10Pb5 | 9.0～11.0 | － | 4.0—6.0 | — | — | — | — | — | — | Rest | ||
| ZCuSn10Zn2 | 9.0～11.0 | 1.0～3.0 | — | — | — | — | — | — | — | Rest | ||
| ZCuPb10Sn10 | 9.0—11.0 | — | 8.0～11.0 | — | — | — | — | — | — | Rest | ||
| ZCuPb15Sn8 | 7.0～9.0 | － | 13.0～17.0 | — | — | — | — | — | — | Rest | ||
| ZCuPb17Sn4Zn4 | 3.5～5.0 | 2.0～6.0 | 14.0～20.0 | — | — | — | — | — | — | Rest | ||
| ZCuPb20Sn5 | 4.0～6.0 | — | 18.0～23.0 | — | — | — | — | — | — | Rest | ||
| ZCuPb30 | — | — | 27.0～33.0 | — | — | — | — | — | — | Rest | ||
| ZCuAl8Mn13Fe3 | — | — | — | — | — | 7.0～9.0 | 2.0～4.0 | 12.0～14.5 | — | Rest | ||
| ZCuAI8Mn13Fe3Ni2 | — | — | — | — | 1.8～2.5 | 7.0～8.5 | 2.5～4.0 | 11.5～14.0 | — | Rest | ||
| ZCuAl9Mn2 | — | — | — | — | — | 8.0～10.0 | — | 1.5～2.5 | — | Rest | ||
| Material | Main ingredients/％ | |||||||||||
| Sn | Zn | Pb | P | Ni | Al | Fe | Mn | Si | Cu | |||
| ZCuAI9Fe4Ni4Mn2 | — | — | — | — | 4.0～5.0 | 8.5～10.0 | 4.0～5.0 | 0.8～2.5 | — | Rest | ||
| ZCuAl10Fe3 | — | — | — | 8.5～11.0 | 2.0～4.0 | Rest | ||||||
| ZCuAl10Fe3Mn2 | — | — | — | 9.0～11.0 | 2.0～4.0 | 1.0～2.0 | Rest | |||||
| ZCuZn25Al6Fe3Mn3 | — | Rest | — | — | — | 4.5～7.0 | 2.0～4.0 | 1.5～4.0 | 60.0～66.0 | |||
| ZCuZn26Al4Fe3Mn3 | — | Rest | — | — | — | 2.5～5.0 | 1.5～4.0 | 1.5～4.0 | 60.0～66.0 | |||
| ZCuZn31Al2 | — | Rest | — | — | — | 2.0～3.0 | — | — | — | 66.0～68.0 | ||
| ZCuZn35Al2Mn2Fe1 | — | Rest | — | — | — | 0.5～2.5 | 0.5～2.0 | 0.1～3.0 | — | 57.0～65.0 | ||
| ZCuZn38-Mn2Pb2 | — | Rest | 1.5～2.5 | — | — | — | — | 1.5～2.5 | — | 57.0～60.0 | ||
| ZCuZn40Mn2 | — | Rest | — | — | — | — | — | 1.0～2.0 | — | 57.0～60.0 | ||
| ZCuZn40Mn3Fe1 | — | Rest | — | — | — | — | 0.5～1.5 | 3.0～4.0 | — | 53.0～58.0 | ||
| ZCuZn33Pb2 | — | Rest | 1.0～3.0 | — | — | — | — | — | — | 63.0～67.0 | ||
| ZCuZn40Pb2 | — | Rest | 0.5～2.5 | — | — | 0.2～0.8 | — | — | — | 58.0～63.0 | ||
| ZCuZn16Si4 | — | Rest | — | — | — | — | — | — | 2.5～4.5 | 79.0～81.0 | ||
Casting technology
Alloy grade Casting method Performance characteristics Examples of uses
ZCuSn3Zn8Pb6Nil S has good abrasion resistance, easy processing, and casting performance. Parts that work in various liquid fuels, seawater, fresh water, and steam (≤225~C), valves and pipe fittings with pressures not greater than 2.5 Mpa
J Good, good air tightness, corrosion resistance, can work under flowing sea water
ZCuSn3Zn11Pb4 S Good casting performance, easy processing, corrosion resistance. Pipe fittings with pressure not greater than 2.5MPa in sea water, freshwater, and steam
ZCuSn5Pb5Zn5 S, J Good wear resistance and corrosion resistance, easy processing, good casting performance and airtightness, wear-resistant and corrosion-resistant parts that work under high load and medium sliding speed, such as bearing bushes, bushings, cylinder liners, Piston clutch, pump gland, worm gear, etc.
ZCuSn10Pb1 S has high hardness, excellent wear resistance, and is not easy to produce. It can be used for wear-resistant parts under high load (below 20 Mpa) and high sliding speed (8m/s), such as connecting rods, bushings, bearings, gears, and worm wheels Wait
Seizure phenomenon, good casting performance and cutting performance, good corrosion resistance in the atmosphere and freshwater
ZCuSn10Pb5 S is corrosion-resistant, especially for dilute sulfuric acid, hydrochloric acid and structural materials, corrosion-resistant and acid-resistant accessories, as well as crusher bushings and bearings
ZCuSn10Zn2 S Corrosion resistance, wear resistance and cutting performance. Important pipe fittings that work under medium and high loads and small sliding speeds, as well as valves, cocks, pump bodies, gears, impellers and worm wheels, etc.
Good, casting performance is good, castings are denser and airtight
ZCuPb10Sn10 S Lubrication, wear resistance and corrosion resistance. Sliding bearings with high surface pressure and lateral pressure, such as rollers, vehicle bearings, impacted parts with a load peak of 60MPa, and internal combustion engine bimetals with a peak load of 100 Mpa Bearing bushes, as well as piston pin sleeves, friction plates, etc.
Good, suitable for bimetal casting material
ZCuPb15Sn8 S In the absence of lubricants and water-based lubricants, it has good sliding and self-lubricating properties, easy cutting, poor casting performance, and good corrosion resistance to dilute sulfuric acid. Bearings with high surface pressure and lateral pressure can be used to manufacture bearings Copper cooling pipes of cold rolling mills, parts with impact resistance up to 50 Mpa, bimetallic bushes for internal combustion engines, mainly used for piston pin sleeves with a maximum load of 70MPa, and acid-resistant parts
ZCuPb17Sn4Zn4 S Good wear resistance and self-lubricating performance, easy cutting, poor casting performance, general wear parts, bearings with high sliding speed, etc.
ZCuPb20Sn5 S has a high sliding performance, in the lack of lubrication, high sliding speed bearings, crushers, water pumps, cold rolling mill bearings, parts with loads up to 40MPa, corrosion-resistant parts, bimetal bearings, piston pin sleeves with loads up
Medium and water as a medium have particularly good self-lubricating performance, suitable for bimetal casting materials, corrosion resistance of sulfuric acid, easy cutting, poor casting performance
Alloy grade Casting method Performance characteristics Examples of uses
ZCuPb30 J has good self-lubricating properties, easy to cut, and cast bimetallic bearings that require high sliding speeds,
Poor manufacturing performance, prone to segregation of specific gravity, anti-friction parts, etc.
ZCuAl8Mn13Fe3 S has high strength and hardness, good wear resistance and casting performance, high alloy density, good corrosion resistance, as a wear-resistant part, the working temperature is not more than 400℃, it can be welded, and it is not easy to braze. It is suitable for manufacturing heavy-duty parts. Shaft sleeves for machinery, as well as parts that require high strength, wear resistance, and pressure resistance, such as bushings, flanges, valve bodies, pump bodies, etc.
ZCuAl8Mn13Fe3Ni2 S has good mechanical properties. It is important castings that require high strength and corrosion resistance in the atmosphere and light, such as ship propellers, high-pressure valve bodies, pump bodies, and pressure-resistant and wear-resistant parts such as worm gears, gears, flanges, etc. Bushing, etc.
Water and seawater have good corrosion resistance, high corrosion fatigue strength, good casting performance, dense alloy structure, good airtightness, can be welded, not easy to braze
ZCuAl9Mn2 S has good mechanical properties, corrosion-resistant and wear-resistant parts in the atmosphere, freshwater, large-scale castings with simple shapes, such as bushings, gears, worm gears, and pipe fittings that work below 250°C and castings that require good airtightness, Such as the gas seal in the turbocharger
Good corrosion resistance in seawater, good casting performance, dense structure, good airtightness, good wear resistance, can be welded, not easy to braze
ZCuAl9Fe4Ni4Mn2 S has good mechanical properties. It is an important casting that requires high strength and good corrosion resistance in the atmosphere and light. It is one of the main materials for the manufacture of ship propellers. It can also be used as parts that are wear-resistant and work below 400°C, such as Bearings, gears, worm gears, nuts, flanges, valve bodies, guide sleeves
Excellent corrosion resistance in water and seawater, high corrosion fatigue strength, good wear resistance, heat resistance below 400℃, heat treatment, good welding performance, not easy to braze, good casting performance
ZCuAl10Fe3 S has good mechanical properties, wear resistance and resistance to heavy castings that require high strength, wear and corrosion resistance, such as bushings, nuts, worm gears, and pipe fittings that work below 250°C
The corrosion performance is good, can be welded, not easy to braze, large castings can be prevented from becoming brittle by air cooling from 700℃
ZCuAl10Fe3Mn2 S has good mechanical properties and wear resistance, and can require high-strength, wear-resistant and corrosion-resistant parts, such as gears, bearings, bushings, nozzles, and heat-resistant pipe fittings, etc.
Heat treatment, good corrosion resistance and oxidation resistance at high temperature, good corrosion resistance in the atmosphere, fresh water and seawater, can be welded, not easy to braze, large castings can be prevented from becoming brittle by air cooling from 700 ℃
ZCuZn38 S has excellent casting performance and good strength. General structural parts and corrosion-resistant parts, such as flanges, valve seats, brackets, handles, and nuts, etc.
Academic performance, good cutting performance, can be welded
Connection, good corrosion resistance, stress corrosion cracking
ZCuZn25Al6Fe3Mn3 S has good mechanical properties, good casting properties, good corrosion resistance, and stress corrosion cracking. It is suitable for high-strength and wear-resistant parts, such as bridge support plates, nuts, screws, wear plates, sliders, and worm gears.
ZCuZn26AI4Fe3Mn3 S has good mechanical properties, good casting performance, corrosion resistance in air, fresh water, and seawater, high strength and corrosion resistance parts are required
Alloy grade Casting method Performance characteristics Examples of uses
ZCuZn31Al2 S has good casting performance, good corrosion resistance in air, fresh water, and seawater, and is easy to cut. It can be applied to pressure castings, such as die casting parts such as motors and instruments, as well as shipbuilding and machinery manufacturing.
Corrosion-resistant parts for the welding industry
ZCuZn35Al2Mn2Fe2 S has good mechanical properties and good casting properties, good corrosion resistance in the atmosphere, freshwater, and seawater, good cutting performance, and can be welded to pipe fittings and low-required wear parts
ZCuZn38Mn2Pb2 S has good mechanical properties and corrosion resistance, good wear resistance, good cutting performance, general-purpose structural parts, simple-shaped castings used in ships, instruments, etc., such as sleeves, bushes, bearings, sliders Wait
ZCuZn40Mn2 S has good mechanical properties and corrosion resistance, good casting properties, stable structure when heated. Parts and valve bodies, valve stems, etc. that work in air, fresh water, seawater, steam (less than 300°C), and various liquid fuels Pumps, pipe joints, and parts that need to be cast metal alloy and tin plated, etc.
ZCuZn40Mn3Fel S has good mechanical properties, good casting performance and cutting processing performance, in the air, freshwater, seawater corrosion-resistant parts, and 300 ℃
The corrosion resistance in seawater is good, and the pipe fittings that work under stress corrosion can be used to manufacture ship screws.
Crack tendency large castings such as propellers
ZCuZn33Pb2 S structural material, resistant to housings of gas and water supply equipment when the water supply temperature is 90℃, some components and accessories of machine manufacturing, electronic technology, precision instruments, and optical instruments
Good oxidation performance, conductivity is about 10-14
ZCuZn40Pb2 S has good casting performance and wears resistance. It can cut general-purpose wear-resistant and corrosion-resistant parts, such as bushings, gears, etc.
Good processing performance, good corrosion resistance, in seawater
ZCuZn16Si4 S has good mechanical properties and good corrosion resistance, good casting performance, high fluidity, casting pipe fittings, and water pumps that work in contact with seawater. , Impeller, cock and in air, freshwater,
Tight structure and good airtightness. Oil, fuel, and castings with working pressure under 4.5MPa and steam below 250℃
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