Product Description
manufacture of self-lubricity Graphite sliding Bearings for textiles machines
lttrade
A: company profile
Our facility is the biggest producer of graphite molds in North of China, which has over 15 years of experiences on graphite mold design and producing. With the reliable factory technical support and good after-sales service, our graphite molds have covered all china market. Now, combined with export experiences of L.T TRADE, Our products will be more complete and go further. Our major products now are: graphite plate, graphite crucible, graphite ring, graphite wire saw, graphite hot cutting pieces, graphite sintering CZPT segment etc. And very welcome you provide drawings and designs, we can provide OEM and ODM.
B: Why choose us
Graphite CZPT plays a dual role in the process of manufacture: Heating element and Supporting mold. The quality of graphite mold is very important, will directly affect the next CZPT tools’ accuracy and appearance. So, which kind of graphite mold is suitable for sintering CZPT tools:
- Good performance on conductivity and high rate resistivity
- Enough Mechanical Strength
- Good performance on Oxidation resistance
- Durable
Why choose us:
Raw materials is very important, We only use Ultrafine particle structure, High purity and High graphitization raw graphite materials.
Our finished graphite mold is:
- dense structure and low porosity
- Fined surface and low rate heat-deformation
- High mechanical strength and machining accuracy
- Oxidation resistance and durable
C: Product features
1. The processing materials are ultrafine granule structure, high purity and graphite with high graphitization degree.
2. High hardness, good anti-oxidation performance and high machining accuracy
3. Good conductivity, high resistivity, sufficient mechanical strength
4. Small porosity and dense structure.
5. Excellent thermal shock resistance, conductive and thermal conductivity.
6. High temperature resistance, corrosion resistance, acid and alkali resistance, good wear resistance.
7. Surface can be treated with anti-oxidation.
D: Processing method
1. Customer provide design drawings.
2. Our technical team will check, analyze the drawings, and divide the drawing to reasonable parts if needed, and prepare proper graphite blocks . Our mechanics will design and customize grinding wheel.
3. Our workers will grinding and polishing graphite block according to the instructions of mechanics. This process may need operating few times if needed. We will strictly keep deviation within ±0.03-0.08mm.
4. Then our packing team will assembling different parts into a whole graphite mold. During the assembling period, unqualified products will be picked out.
E: Attribute table
| Density g/cm³ | 1.75-1.9 |
| Resistivity μΩ·m | ≤18 |
| Compressive strength Mpa | 40-80 |
| Porosity % | ≤26 |
| Elasticity Modulus Gpa | 6-18 |
| Thermal expansion coefficient 10-6/ºC | 1.47-4.25 |
| Ash content % | ≤0.5 |
| Temperature resistance ºC | 4350 |
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| Type: | Graphite Mold |
|---|---|
| Composition: | 99.9% High Purity Graphite |
| Carbon Content: | High-Carbon |
| Grade: | High Purity Graphite |
| Forming Way: | Molded Graphite |
| Crystal Morphology: | Compact Crystalline Graphite |
| Samples: |
US$ 0.30/Piece
1 Piece(Min.Order) | |
|---|
| Customization: |
Available
| Customized Request |
|---|
Role of Sliding Bearings in Vibration Dampening and Shock Absorption Applications
Sliding bearings are essential components in applications where vibration dampening and shock absorption are critical. Here’s how they fulfill this role:
Vibration Dampening:
In various industrial processes and equipment, vibrations can lead to reduced performance, increased wear and tear, and even structural damage. Sliding bearings help dampen vibrations by providing a cushioning effect between moving components. The design of sliding bearings allows them to absorb and dissipate vibrations, preventing them from propagating throughout the machinery.
Shock Absorption:
Heavy machinery and equipment often experience sudden impacts or shocks due to sudden loads or external forces. Sliding bearings with their ability to absorb shocks and impacts help protect machinery from damage. They act as buffers that absorb and distribute the energy generated by these shocks, preventing it from causing harm to other components or the machinery structure.
Isolation of Vibrations:
Sliding bearings can be strategically placed in machinery to isolate specific components or sections from vibrations. This isolation helps maintain the stability and accuracy of delicate components that might be sensitive to vibrations, such as precision instruments or measurement devices.
Enhanced Comfort:
In applications involving human interaction, such as vehicles or industrial tools, sliding bearings contribute to user comfort. By reducing vibrations and shocks transmitted to the operator or occupants, sliding bearings improve the overall user experience and reduce operator fatigue.
Prevention of Resonance:
Resonance is a phenomenon where vibrations can be amplified due to the natural frequencies of the components. Sliding bearings help prevent resonance by providing damping properties that counteract the amplification effect. This is crucial in applications where precise control and stability are required.
In conclusion, sliding bearings play a vital role in applications requiring vibration dampening and shock absorption. Their ability to dampen vibrations, absorb shocks, isolate vibrations, enhance comfort, and prevent resonance contributes to the efficient and reliable operation of machinery and equipment in various industries.
Managing Friction and Wear in Sliding Bearings
Friction and wear are common challenges in sliding bearings that can lead to reduced performance and premature failure. Here’s a detailed look at these challenges and some solutions to manage them:
Challenges:
- Friction: High friction can lead to energy loss, increased heat generation, and accelerated wear.
- Wear: Continuous contact between sliding surfaces can result in material removal and surface degradation over time.
Solutions:
- Lubrication: Proper lubrication is crucial to reduce friction and wear. Lubricants create a protective film between sliding surfaces, minimizing direct contact and promoting smooth movement.
- Self-Lubricating Bearings: Bearings made from self-lubricating materials, such as polymers containing solid lubricants, can offer continuous lubrication without external intervention.
- Bearing Design: Optimized bearing designs, such as incorporating grooves or pockets for lubricant retention, can enhance lubrication efficiency and reduce friction.
- Maintenance: Regular maintenance and lubricant replenishment help ensure consistent lubrication levels and prevent excessive wear.
- Material Selection: Choosing materials with low friction coefficients and high wear resistance can minimize friction and extend bearing life.
- Surface Treatments: Coatings, such as PTFE or DLC (diamond-like carbon), can be applied to bearing surfaces to reduce friction and enhance wear resistance.
- Clearance Adjustment: Proper clearance between bearing components can reduce friction and prevent excessive loading.
By implementing effective lubrication strategies, choosing appropriate materials, and employing suitable design practices, the challenges of friction and wear in sliding bearings can be effectively managed, leading to improved performance and longer bearing life.
Considerations for Selecting Sliding Bearings
When choosing a sliding bearing for a specific application, several key factors should be taken into consideration:
- Load Capacity: Determine the maximum load the bearing will need to support. This includes both radial and axial loads, as well as any dynamic or static loads.
- Operating Conditions: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Different materials and coatings may be required for harsh conditions.
- Lubrication: Choose the appropriate lubrication method based on the application. Consider factors such as the frequency of lubrication, the availability of lubrication points, and the compatibility of lubricants with the bearing material.
- Speed and Motion: Evaluate the speed and type of motion the bearing will experience. Higher speeds may require special considerations for heat dissipation and lubrication.
- Alignment and Misalignment: Determine if the bearing will need to accommodate misalignment between the shaft and the bearing housing. Some applications may require self-aligning or spherical bearings.
- Wear Resistance: Choose a bearing material that offers good wear resistance to prevent premature wear and extend the bearing’s lifespan.
- Noise and Vibration: Consider the impact of noise and vibration on the application. Bearings with proper damping properties can help reduce noise and vibration levels.
- Maintenance Requirements: Assess the ease of maintenance, including lubrication intervals, accessibility of lubrication points, and the need for regular inspections.
- Cost and Availability: Compare the cost of the bearing with its expected performance and lifespan. Also, ensure that the chosen bearing type and size are readily available.
- Application-Specific Considerations: Some applications may have unique requirements, such as corrosion resistance, electrical insulation, or compatibility with food-grade standards.
By carefully considering these factors, you can select a sliding bearing that meets the specific needs of your application, ensuring reliable performance and longevity.
editor by CX 2024-02-25