China OEM Tungsten Carbide Sleeve Bearing, Hard Metal Bushing bearing engineering

Product Description

Tungsten Carbide Sleeve Bearing, Hard Metal Bushing

Features 
1. Abrasive resistant,corrosion free, good compression property, high wear-resistant bushing, heat  resistance, low maintenance;
2.The hardness is 10 times of gold, 5 times of tool steel, 4 times of titanium, oil resistance, separate the harmful medium;
3.No shape change, high bending strength when temparature is above 1000  ° C or below 500  °C, long service life, the maximum height can reach 270mm
 
Applications
1. Tungsten Carbide Bearing Bushings have the characters of high wear resistance, high corrosion resistance and good compressive properties.
2. It’s widely used in petrochemical industries and other industries which call for high properties of the bearing bushings or shaft sleeves.
3. Tungsten carbide bush is the basic material among the frictional materials. They are widely use as the basic components for sealing. And the bushings are widely adopted in petrochemical industry due to its excellent performances such as wear ability, anti corrosion.

Grade informations for sintered carbide shaft sleeve

Grade Binder
(Wt%)
Density
(g/cm3)
 Hardness
 (HRA)
TRS
 ( N/mm2)
YG6 6 14.8 90.0 1520
YG6X 6 14.9 91.0 1450
YG6A 6 14.9 92.0 1540
YG8 8 14.7 89.5 1750
YG12 12 14.2 88.0 1810
YG15 15 14.0 87.0 2050
YG20 20 13.5 85.5 2450
YG25 25 12.1 84.0 2550

 

Details Images
Thickness: 8-30mm  
Diameter: 25-500mm 
Length: 100-2000mm 
Appearance: silver grey metal luster 
Density: Purity: W ≥ 99.95% 
Quality standard: GB/T 4187-1984 (tungsten rod) ASTM F288-90 
Supply state: sintering or processing
Dimension:  Φ (25-500)mm  ×  L(100-1000)m

We can offer a variety of solutions according to clients’ application requirement. 
 

These customized sizes carbide sleeves, we produced for 1 of our Russian customers.
01.01.12.004-01;  01.01.00.005;  01.01.12.002;
350.13.00.004;  350.13.00.006;   350.14.00.002;
650.15.00.002

If you want to know more details, please contact us directly.
 

Company Information 
About Lihua Cemented Carbide
Established in 1996, specialized in production carbide products more than 20 years and located in the hometown of tungsten carbide in China. We can manufacture all kind of tungsten carbide products.
Our products sold to worldwide. We have built a long term business relationship with the customers from Italy, Portugal, Germany, Turkey, USA, Mexico, Russia, India, Australia and so on.

Main Products
Our Main products include : Carbide Screwed Boring Bar, Plates, Rods, Sticks, Bushings, TP nozzles, 3D Printer Nozzles, Saw Blades, End Mills & Drill Bits, CNC inserts, Value Seats, Rotary Burrs, wheel cutters, Grits, Customized cutter: Woodworking tool cutter, V-cutter, mining tool,  Any customized carbide products are acceptable.

Month capacity of 15 Tons
We have sophisticated equipment, such as Sintering Furnace, Automatic suppress Machine, Manual Hydraulic Suppress Machine, Ball Mill Machine, Drying Machine, Mixing Machine etc, Our production capacity up to 15 Ton per month. Customized is welcome, customized sample can be ready in 3-5 days and 1 day can deliver for stocks.

Strictly QC
We have a professional QC team follow to the System of ISO9001:2008, Covering the Raw Materials Incoming, Production Processes, Finished Products and Packaging to ensure high quality products output.

If you are interested in our product, please feel free to contact us.
 

Rolling Body: Roller Bearings
The Number of Rows: Multi-column
Outer Dimension: Small and Medium-Sized (60-115mm)
Material: Tungsten Carbide
Spherical: Non-Aligning Bearings
Load Direction: Axial Bearing
Samples:
US$ 35/Piece
1 Piece(Min.Order)

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Customization:
Available

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Customized Request

bearing

How to Replace a Bearing

If you want to select a bearing for a specific application, you should know a few basics. This article will give you an overview of ball, angular contact, and sliding-contact bearings. You can choose a bearing according to the application based on the characteristics of its material and preload. If you are not sure how to choose a bearing, try experimenting with it. The next step is to understand the Z-axis, which is the axes along which the bearing moves.

Z axis

When it comes to replacing your Z axis bearing, there are several things you must know. First, you need to make sure that the bearings are seated correctly. Then, you should check the tension and rotation of each one. To ensure that both bearings are equally tensioned, you should flex the Core to the desired angle. This will keep the Z axis perpendicular to the work surface. To do this, first remove the Z axis bearing from its housing and insert it into the Z axis motor plate. Next, insert the flanged bearing into the Z axis motor plate and secure it with two M5x8mm button head cap screws.
Make sure that the bearing plate and the Z Coupler part are flush and have equal spacing. The spacing between the two parts is important, as too much spacing will cause the leadscrew to become tight. The screws should be very loose, with the exception of the ones that engage the nylocks. After installing the bearing, the next step is to start the Z axis. Once this is done, you’ll be able to move it around with a stepper.

Angular contact

Ball bearings are made with angular contacts that result in an angle between the bearing’s races. While the axial load moves in one direction through the bearing, the radial load follows a curved path, tending to separate the races axially. In order to minimize this frictional effect, angular contact bearings are designed with the same contact angle on the inner and outer races. The contact angle must be chosen to match the relative proportions of the axial and radial loads. Generally, a larger contact angle supports a higher axial load, while reducing radial load.
Ball bearings are the most common type of angular contact bearings. Angular contact ball bearings are used in many applications, but their primary purpose is in the spindle of a machine tool. These bearings are suitable for high-speed, precision rotation. Their radial load capacity is proportional to the angular contact angle, so larger contact angles tend to enlarge with speed. Angular contact ball bearings are available in single and double-row configurations.
Angular contact ball bearings are a great choice for applications that involve axial loads and complex shapes. These bearings have raceways on the inner and outer rings and mutual displacement along the axial axis. Their axial load bearing capacity increases as the contact Angle a rises. Angular contact ball bearings can withstand loads up to five times their initial weight! For those who are new to bearings, there are many resources online dedicated to the subject.
Despite their complexity, angular contact ball bearings are highly versatile and can be used in a wide range of applications. Their angular contact enables them to withstand moderate radial and thrust loads. Unlike some other bearings, angular contact ball bearings can be positioned in tandem to reduce friction. They also feature a preload mechanism that removes excess play while the bearing is in use.
Angular contact ball bearings are made with different lubricants and cage materials. Standard cages for angular contact ball bearings correspond to Table 1. Some are machined synthetic resins while others are molded polyamide. These cage materials are used to further enhance the bearing’s axial load capacity. Further, angular contact ball bearings can withstand high speeds and radial loads. Compared to radial contact ball bearings, angular contact ball bearings offer the greatest flexibility.

Ball bearings

bearing
Ball bearings are circular structures with two separate rings. The smaller ring is mounted on a shaft. The inner ring has a groove on the outer diameter that acts as a path for the balls. Both the inner and outer ring surfaces are finished with very high precision and tolerance. The outer ring is the circular structure with the rolling elements. These elements can take many forms. The inner and outer races are generally made of steel or ceramic.
Silicon nitride ceramic balls have good corrosion resistance and lightweight, but are more expensive than aluminum oxide balls. They also exhibit an insulating effect and are self-lubricating. Silicon nitride is also suitable for high-temperature environments. However, this type of material has the disadvantage of wearing out rapidly and is prone to cracking and shattering, as is the case with bearing steel and glass. It’s also less resistant to heat than aluminum oxide, so it’s best to buy aluminum nitride or ceramic ball bearings for applications that are subjected to extremely high temperatures.
Another type of ball bearings is the thrust bearing. It has a special design that accommodates forces in both axial and radial directions. It is also called a bidirectional bearing because its races are side-by-side. Axial ball bearings use a side-by-side design, and axial balls are used when the loads are transmitted through the wheel. However, they have poor axial support and are prone to separating during heavy radial loads.
The basic idea behind ball bearings is to reduce friction. By reducing friction, you’ll be able to transfer more energy, have less erosion, and improve the life of your machine. With today’s advances in technology, ball bearings can perform better than ever before. From iron to steel to plastics, the materials used in bearings have improved dramatically. Bearings may also incorporate an electromagnetic field. So, it’s best to select the right one for your machine.
The life expectancy of ball bearings depends on many factors, including the operating speed, lubrication, and temperature. A single million-rpm ball bearing can handle between one and five million rotations. As long as its surface contact area is as small as possible, it’s likely to be serviceable for at least one million rotations. However, the average lifespan of ball bearings depends on the application and operating conditions. Fortunately, most bearings can handle a million or more rotations before they start showing signs of fatigue.

Sliding-contact bearings

bearing
The basic principle behind sliding-contact bearings is that two surfaces move in contact with one another. This type of bearing works best in situations where the surfaces are made of dissimilar materials. For instance, a steel shaft shouldn’t run in a bronze-lined bore, or vice versa. Instead, one element should be harder than the other, since wear would concentrate in that area. In addition, abrasive particles tend to force themselves into the softer surface, causing a groove to wear in that part.
Sliding-contact bearings have low coefficients of friction and are commonly used in low-speed applications. Unlike ball and roller bearings, sliding contact bearings have to be lubricated on both sides of the contacting surfaces to minimize wear and tear. Sliding-contact bearings generally are made of ceramics, brass, and polymers. Because of their lower friction, they are less accurate than rolling-element bearings.
Sliding-contact bearings are also known as plain or sleeve bearings. They have a sliding motion between their two surfaces, which is reduced by lubrication. This type of bearing is often used in rotary applications and as guide mechanisms. In addition to providing sliding action, sliding-contact bearings are self-lubricating and have high load-carrying capacities. They are typically available in two different types: plain bearings and thrust bearings.
Sliding-contact linear bearing systems consist of a moving structure (called the carriage or slide) and the surfaces on which the two elements slide. The surfaces on which the bearing and journal move are called rails, ways, or guides. A bore hole is a complex geometry, and a minimum oil film thickness h0 is usually used at the line of centers. It is possible to have a sliding-contact bearing in a pillow block.
Because these bearings are porous, they can absorb 15 to 30% of the lubrication oil. This material is commonly used in automobile and machine tools. Many non-metallic materials are used as bearings. One example is rubber, which offers excellent shock absorbency and embeddability. While rubber has poor strength and thermal conductivity, it is commonly used in deep-well pumps and centrifugal pumps. This material has high impact strength, but is not as rigid as steel.

China OEM Tungsten Carbide Sleeve Bearing, Hard Metal Bushing   bearing engineeringChina OEM Tungsten Carbide Sleeve Bearing, Hard Metal Bushing   bearing engineering
editor by CX 2023-04-25