Product Description
Product Description
Classification, structure, technical requirements and scope of application of plate rubber bearings
1. Product classification
According to the form of support structure is divided into:
1) Ordinary plate rubber bearings are divided into rectangular plate rubber bearings (code GJZ) and circular plate rubber bearings (code GYZ);
2) PTFE sliding plate rubber bearings are divided into rectangular PTFE rectangular plate rubber bearings (code GJZF4) and circular PTFE circular plate rubber bearings (code GYZF4).
According to the support material and applicable temperature is divided into:
1) The normal temperature rubber bearing should be produced by neoprene rubber (CR), and the applicable temperature is -25ºC-60ºC. Natural rubber shall not be used to replace neoprene rubber, nor shall natural rubber be incorporated into neoprene rubber;
2) Plug resistant rubber bearings should be produced by natural rubber (NR), and the applicable temperature is -40ºC-60ºC.
2. Support structure
Ordinary plate rubber bearings shall be composed of at least 2 or more layers of stiffened steel plates, and the steel plates are all wrapped in elastomeric materials.
3, the scope of application of plate rubber bearings
Plate rubber bearing is widely used because of its advantages of excellent technical performance, simple structure, low price, low assembly height, easy installation and maintenance, easy replacement and so on
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Technical index |
Neoprene Rubber |
Natural Rubber |
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|
Hardness (IRHD) |
60±5 |
60±5 |
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|
Strength Tensile (Mpa) |
≥17 |
≥18 |
|
|
Elongation at break (%) |
≥400 |
≥450 |
|
|
Brittleness temperature (ºC) |
≤40 |
≤-50 |
|
|
Constant compression permanent deformation |
≤15 |
≤30 |
|
|
Resistance to CZPT aging test |
100ppmm |
25ppmm |
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|
No cracking |
No crack |
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Professional production and sales:
plate rubber bearing, basin bearing, ball bearing grid steel structure bearing, isolation bearing, bridge expansion joint and other bridge engineering materials
HangZhou Xihu (West Lake) Dis. Engineering Rubber Co., LTD. (formerly HangZhou Hudong Rubber Factory) was founded in 1985. Located in HangZhou Xihu (West Lake) Dis. New District, covers an area of 26400 square meters, building area of 10,000 square meters. Currently, there are 218 employees, including 56 professional and technical personnel and 30 management personnel, with registered capital of 100.01 million yuan, fixed assets of 30 million yuan, and annual output value of 80 million yuan. There are 4 workshops for expansion joints, machining, vulcanization and rubber rolling. Expansion joint workshop is equipped with equipment: various models of shot blasting drum 18 sets, electrostatic spraying machine 9 sets, semi-automatic cutting machine 12 sets, copying cutting machine 12 sets, various models of electric welding machine 100 sets, steel bar cutting machine 10 sets, bending machine 10 sets.
The annual production capacity is: bridge expansion joint more than 50,000 meters, basin type rubber bearing more than 10,000 sets, plate rubber bearing more than 500,000 pieces, rubber water stop zone more than 200,000 meters, more than 50,000 sets of grid support.
Our Advantages
Packaging & Shipping
Certifications
FAQ
| 1. Are you factory or trading company ? can you send sample to us and how long could it take? | We are a factory, we can mail samples, the specific time depends on the express delivery. |
| 2. Can we have them with different performance or our own design? | Can be customized according to your drawings |
| 3. What is your MOQ ? | The minimum order quantity is determined according to the product type |
| 4. Can I print your logo on the carton box? | Yes |
| 5. Do you offer customized packaging ? | Custom packaging is available |
| 6. Any discount ? | The specific price can be discussed |
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| After-sales Service: | Online Technical Guidance |
|---|---|
| Warranty: | 1years |
| Certification: | GB |
| Usage: | Beam Bridge, Highway Bridge, Railroad Bridge |
| Structure: | Laminated Rubber Bearing |
| Material: | Rubber Bearing |
| Customization: |
Available
| Customized Request |
|---|
Challenges of Lubricant Contamination in Sliding Bearings and Solutions
Lubricant contamination in sliding bearings can lead to various challenges that impact performance and longevity. Here are some challenges and solutions:
Challenge: Reduced Lubrication Effectiveness
Contaminants such as dust, dirt, moisture, and foreign particles can compromise the lubricant’s ability to provide effective lubrication between bearing surfaces.
Solution: Regular maintenance practices involving cleaning and relubrication help remove contaminants and restore the lubricant’s effectiveness. Proper seals and shields can also prevent contaminants from entering the bearing.
Challenge: Increased Friction and Wear
Contaminants in the lubricant can create abrasive particles that increase friction and accelerate wear on bearing surfaces.
Solution: Using high-quality, clean lubricants and implementing effective filtration systems can minimize the presence of contaminants, reducing friction and wear.
Challenge: Component Damage
Contaminants can cause pitting, scratching, and other damage to bearing surfaces, leading to decreased performance and potential bearing failure.
Solution: Regular inspections and cleaning routines are essential to prevent the accumulation of contaminants. Using lubricants with appropriate viscosity and additives can also help protect bearing surfaces.
Challenge: Increased Heat and Temperature
Contaminants can create heat and increase operating temperatures due to increased friction, which can negatively impact bearing performance.
Solution: Clean lubricants with proper viscosity and thermal stability are essential to dissipate heat effectively. Maintaining proper lubrication levels helps manage temperature rise.
Challenge: Corrosion
Moisture and certain contaminants can lead to corrosion of bearing surfaces, which compromises their structural integrity.
Solution: Proper storage and handling of bearings, as well as using corrosion-resistant lubricants, can mitigate the risk of corrosion. Seals and shields also provide additional protection against moisture ingress.
Challenge: Lubricant Breakdown
Contaminants and high operating temperatures can cause lubricants to degrade over time, reducing their lubricating properties.
Solution: Monitoring lubricant condition and replenishing or changing it at appropriate intervals helps maintain its effectiveness. Using lubricants with good oxidation resistance is also important.
Lubricant contamination in sliding bearings can significantly impact their performance and longevity. Implementing proper maintenance practices, using clean and suitable lubricants, and employing effective sealing mechanisms are key strategies to address these challenges and ensure optimal sliding bearing operation.
Maintenance Practices to Extend the Lifespan of Sliding Bearings
Proper maintenance is essential for maximizing the lifespan of sliding bearings and ensuring optimal performance. Here are specific practices that can help extend the life of sliding bearings:
Regular Lubrication: Adequate lubrication is crucial for minimizing friction and wear between sliding surfaces. Follow manufacturer recommendations for lubrication intervals and use the appropriate lubricants for the operating conditions.
Clean Environment: Keep the surrounding environment clean and free from dust, dirt, and contaminants. Regularly clean the machinery or equipment to prevent debris from entering the bearing area.
Seal Integrity: Ensure that bearing seals are in good condition to prevent contaminants from entering and lubricant from escaping. Replace damaged seals promptly to maintain proper protection.
Alignment and Mounting: Proper alignment and mounting of sliding bearings are critical to distribute loads evenly and prevent excessive wear. Follow manufacturer guidelines for installation procedures and torque specifications.
Regular Inspections: Schedule routine inspections to detect early signs of wear, damage, or misalignment. Visual inspections, temperature checks, and vibration analysis can help identify issues before they escalate.
Maintenance Records: Maintain detailed records of maintenance activities, including lubrication schedules, inspections, and replacements. This information can help track the condition of sliding bearings and plan maintenance tasks effectively.
Temperature Management: Control operating temperatures within recommended limits. Excessive heat can degrade lubricants and accelerate wear, while extreme cold can affect bearing performance.
Load Management: Avoid subjecting sliding bearings to loads beyond their specified capacities. Overloading can lead to premature wear and damage.
Training and Education: Ensure that personnel responsible for maintenance are adequately trained in proper procedures. Knowledgeable staff can perform maintenance tasks accurately and identify potential issues.
Timely Replacement: When wear or damage is detected that exceeds acceptable limits, replace sliding bearings promptly to prevent further damage to the machinery or equipment.
By implementing these maintenance practices, you can significantly extend the lifespan of sliding bearings, reduce downtime, and optimize the performance of machinery and equipment.
Sliding Bearings and Their Applications
Sliding bearings, also known as plain bearings or journal bearings, are a type of bearing that operate on the principle of sliding friction between two surfaces. They are utilized in various applications where rotational or linear movement needs to be facilitated while minimizing friction and wear. Here are some common applications of sliding bearings:
- Automotive Industry: Sliding bearings are widely used in engines and transmissions of vehicles to support rotating shafts and provide low-friction movement.
- Industrial Machinery: They are employed in industrial equipment such as pumps, compressors, and turbines, where they help in reducing friction and ensuring smooth operation.
- Aerospace: Sliding bearings are crucial components in aircraft engines, landing gear systems, and various aerospace mechanisms to provide reliable and low-wear motion.
- Power Generation: In power plants, sliding bearings are found in turbines, generators, and other rotating equipment to facilitate movement with minimal energy loss.
- Marine Applications: They are used in ship engines, propellers, and other marine equipment, providing durability in harsh marine environments.
- Construction Equipment: Sliding bearings are used in construction machinery like cranes and excavators to support heavy loads and ensure smooth movement.
- Heavy Industry: Various heavy industries, including mining and steel production, rely on sliding bearings for their robustness and ability to handle heavy loads.
- Home Appliances: Sliding bearings are found in appliances like washing machines and refrigerators, facilitating the movement of rotating parts.
- Medical Devices: Some medical devices use sliding bearings for their precision and low friction, ensuring accurate movement in equipment like medical scanners and robotic surgical systems.
Sliding bearings are chosen for applications where simplicity, cost-effectiveness, and reliable performance are essential. They come in different designs, such as plain cylindrical bearings, thrust bearings, and spherical bearings, to suit various motion requirements. Regular maintenance and proper lubrication are necessary to ensure the longevity and optimal performance of sliding bearings in their respective applications.
editor by CX 2024-02-24