Product Description
Cat D-RING KIT (NBR)
D-RING KIT for CAT 4C-4784
Material NBR (chemigum)
Our o ring is suitable for hydraulic/pump/valve, all kinds of o ring kit are available here.
NBR material, has wear resistance, ageing resistance, and the scope of temperature is -30ºC-120ºC.
Our factory can produce various sizes of O RING, as long as you order, we can provide to you. If we don’t have stock, just wait for days and we will produce for you.
Material Discription:
| Material | NBR(Nitrile Rubber/Buna-N) |
| Advantage | 1,Excellent Abrasion-Resistance,Good Rebound Resistance |
| 2,Good Tensile Strength and Elongation | |
| 3,Excellent Animal and Vegetable Oil Resistance | |
| 4,Good Oil and Fuel Resistance | |
| 5,Good Water Resistance | |
| Disadvantage | 1,Poor Oxygenated-Solvent Resistance |
| 2,Poor Ozone Resistance | |
| Temperature | -40ºC-120ºC, -50ºC-150ºC(special formula) |
| Application | 1,Fuel tank, lubricating oil tank and oil in the hydraulic oil, gas, water, silicone grease, silicone oil and other fluid medium rubber parts, especially the sealing parts. |
| 2,It is currently the most widely used, the lowest cost of rubber seals. |
Advantages:
1. O-Ring offer an efficient and economical sealing element for a wide range of static or dynamic applications.
2. O-Ring sizes are defined by the inner diameter-ID and the cross section-CS, our o-ring Inner Diameter can be from 0.5mm to 1500mm.
3. Standard sizes such as AS568(PARKER sizes), JIS(P TYPE, G TYPE, S TYPE, V TYPE, F TYPE sizes), BS1516 sizes Metric sizes as well as non-standard sizes are all avaiblabe.
4. We have more than 4000 o-ring mould toolings, so you could get most sizes here without set-up or tooling charge. Huge inventory of o-rings can meet your urgent requiremnets.
5. A very wide range of elatomer material can be selected, main material: NBR(BUNA-N, Nitrile), VITON(FKM), Silicone(VMQ), HNBR, FFKM, EPDM, PU(Polyurethane, urethane), Fluorosilicone(FVMQ), Neoprene(CR) and so on. Hardness of material can be from 30 ShoreA(Durometer) to 90 ShoreA.
The O-RING KIT we can also supply as below:
Competitive price GIANT O-RING KIT (NBR)
Updated version DINGLI O-RING KIT (NBR)
High quality o-ring kit box for Caterpillar/Hitachi/Komatsu/Hyundai/Sumitomo/Doosan/Kobelco/Kato
Top Quality NBR O-Ring Kit for CHINAMFG
VITON O-RING KIT (FKM)
Viton Oring kit, Use best material for making.Good
About us :
CHINAMFG seals company is professional seals manufacturer in HangZhou China, and specialized in the seal kits of the excavator, breaker, loader, dozers, backhoes engineering industrial equipment for more than 12 years. Pursuing high quality and first-rate service are our goals.Looking CHINAMFG to meeting you if you want to visit our factory in GUANGHZOU CHINA.
We set up the PTFE polymer materials, PU polyurethane and NBR materials seals producing line; Meanwhile, NOK, SKF, PARKER, CFW brand seals are also supplied well as the distributor in China. All sealing products are widely used in different kinds of excavator and breaker hammer installation and maintenance systems, wining high reputation from the customers at home and abroad.
Our factory : The products we can also supply as below:CONTAMI SEAL:KZT
PISTON PACKING
WEAR RING:Phenolic Resin WR,CAT type WR,PTFE RYT ect
DUST SEAL :DKB/DKBI,PAD, DSI, DLI/VAY, LBH etc
ROD PACKING
BUFFER RING:HBY,HBTS /HBTY(step seal)
BACKUP RING:BRT/BRTS/BRN,N4W,TFP/TFG
SEAL FOR CYLINDER-BOOM
SEAL FOR CYLINDER-ARM(STICK)
SEAL FOR CYLINDER-BUCKET
ROTARY JOINT SEALS
ROTARY(CONTROL) JOINT SEALS
ENGINE SEALS
HYDRAULIC PUMP SELAS
FRONT IDLER SEALS
CHAIN ADJUSTER SEALS
TRAVELLING MOTOR SEALS
CENTER JOINT SEALS/TURNING JOINT SEALS
SLEWING DEVICE SEALS /SWING MOTOR SEALS
LEVER CONTROL SEALS/ PILOT VALVE SEALS / PPC SEALS
TRANSMISSION SEAL KIT
ORING BOX / O RING KIT
HAMMER BREAKER SEAL KIT/BREAKER SEAL KIT
1.How to order ?
Pls contact me through email, Tel, or ,tell me what you need and I will offer according to your requirement .
After you confirm , I will send PI for payment .
2.How to produce ?
We can produce according to seal type and sizes .
If you need some customized parts, we can produce according to drawing and samples .
3. How to deliver ?
For small order, we will deliver by express, such as DHL, FEDEX, UPS,TNT.etc
For large order , we can deliver by air or by ship .
4. About payment ?
We accept : T/T, PAYPAL, WESTERN UNION or L/C
as usual , 30% advance payment in advance .
We can design and manufacture various rubber parts, custom-made is welcome
material: NBR, FKM, PTFE, silicon rubber are available.
size: hundreds
custom-made is welcome.
Welcome to contact anytime
| Meterial | PTFE,NBR,PU, FKM ect |
| Hardness | Shore 70-90 or according to order |
| MOQ | 100 PCS |
| Sample | Free |
| Colors | Black, brown, red, white, black, green, blue |
| Size | OD can be 12mm to 2000 mm |
| Packing | 10 or 20 pcs/paper, then in carton |
| Production Time | 10-15 days |
| OEM | Acceptable |
| Mold charge | free |
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| Structure: | Double-End |
|---|---|
| Pressure: | High Pressure Mechanical Seals |
| Speed: | High-Speed Mechanical Seal |
| Temperature: | High Temperature Mechanical Seal |
| Performance: | High Pressure |
| Standard: | Standard |
| Customization: |
Available
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What is a slewing ring, and how is it used in mechanical systems?
A slewing ring, also known as a slewing bearing or turntable bearing, is a specialized type of rolling element bearing that enables rotational movement between two components. It consists of an inner ring, an outer ring, rolling elements (such as balls or rollers), and often a gear mechanism. Slewing rings are used in mechanical systems where there is a need for smooth and controlled rotation. Here’s a detailed explanation of what a slewing ring is and how it is used:
- Structure and Components: A slewing ring typically has a large diameter compared to its thickness, allowing it to support axial, radial, and moment loads. The inner and outer rings have raceways that the rolling elements move along. The rolling elements, which can be balls or rollers, distribute the load and facilitate smooth rotation. In some cases, a gear mechanism is integrated into the slewing ring, allowing it to act as a rotational drive system.
- Rotational Movement: The primary function of a slewing ring is to enable rotational movement between two components. It provides a stable and low-friction interface that allows one component to rotate relative to the other. The rolling elements within the raceways minimize friction and distribute the load evenly, resulting in smooth and controlled rotation. Slewing rings can support both continuous rotation and intermittent or oscillating movement, depending on the application requirements.
- Load Support: Slewing rings are designed to support various types of loads. They can handle axial loads, which are forces acting parallel to the axis of rotation, as well as radial loads, which are forces acting perpendicular to the axis of rotation. Additionally, slewing rings can accommodate moment loads, which are a combination of axial and radial loads that create bending or twisting forces. The load-carrying capacity of a slewing ring depends on factors such as its size, design, and choice of rolling elements.
- Applications: Slewing rings find applications in a wide range of mechanical systems across different industries. Some common uses include:
- Construction and Cranes: Slewing rings are extensively used in construction machinery, cranes, and mobile equipment. They enable 360-degree rotation of the boom or jib, allowing for efficient material handling and positioning.
- Wind Turbines: Slewing rings are crucial components in wind turbine systems. They support the rotor, allowing it to rotate according to wind direction, and provide a connection between the rotor and the nacelle, enabling yaw movement.
- Industrial Equipment: Slewing rings are utilized in various industrial equipment, including indexing tables, turntables, robotic arms, and packaging machinery. They facilitate precise and controlled rotation in these applications.
- Transportation and Automotive: Slewing rings are employed in transportation and automotive applications, such as vehicle cranes, aerial platforms, and rotating platforms for heavy-duty vehicles. They enable safe and smooth rotation in these specialized systems.
- Medical and Rehabilitation Equipment: Slewing rings are used in medical and rehabilitation equipment, such as patient lifts and adjustable beds. They allow for smooth and controlled movement, aiding in patient care and mobility assistance.
In summary, a slewing ring is a specialized bearing that enables controlled rotational movement between components in mechanical systems. Its ability to support various loads, provide smooth rotation, and accommodate different applications makes it a valuable component in a wide range of industries.
Can you provide examples of products or machinery that commonly use slewing rings?
Slewing rings are widely used in various industries and play a vital role in the functioning of numerous products and machinery. They offer rotational support, precise motion control, and load-bearing capabilities. Here are some examples of products or machinery that commonly utilize slewing rings:
- Construction Machinery: Slewing rings are extensively used in construction machinery such as excavators, cranes, concrete pumps, and tower cranes. They enable the rotation and movement of the boom, arm, and bucket, allowing for precise control during digging, lifting, and material placement operations.
- Material Handling Equipment: Slewing rings are essential components in material handling equipment like forklifts, stackers, and reach stackers. They facilitate the rotation and swiveling of the mast or boom, enabling efficient loading, unloading, and stacking of goods in warehouses, logistics centers, and ports.
- Wind Turbines: Slewing rings are crucial in wind turbines, where they support the yaw and pitch mechanisms. The yaw system allows the turbine to rotate and face the wind direction, while the pitch system adjusts the angle of the blades for optimal wind capture. Slewing rings enable precise and controlled movement, ensuring efficient wind energy conversion.
- Cranes: Various types of cranes, including mobile cranes, crawler cranes, and tower cranes, rely on slewing rings for their rotation and lifting capabilities. Slewing rings support the crane’s superstructure, allowing it to rotate horizontally, and provide stability and load-bearing capacity during lifting operations.
- Rotary Drilling Rigs: Slewing rings are commonly used in rotary drilling rigs for oil and gas exploration, foundation construction, and mining operations. They enable the rotation and positioning of the drill mast, allowing for precise drilling and borehole creation.
- Railway Equipment: Slewing rings find application in railway equipment such as rail cranes, railway maintenance machines, and turntables. They facilitate the rotation and movement of equipment, ensuring efficient maintenance, repairs, and track positioning.
- Robotics: Slewing rings are integral to robotic systems, including industrial robots, robotic arms, and robotic welding systems. They enable the rotational movement and articulation of the robot’s joints, allowing for precise and controlled manipulation in manufacturing, assembly, and automation processes.
- Solar Tracking Systems: Slewing rings are employed in solar tracking systems to orient solar panels toward the sun. They enable the rotation and tilting of the panels, maximizing solar energy absorption and optimizing power generation in solar farms and photovoltaic systems.
- Turntables and Rotating Platforms: Slewing rings are used in turntables and rotating platforms found in various applications. They support the rotational movement of entertainment stages, amusement park rides, revolving restaurants, and display platforms in trade shows or exhibitions.
These are just a few examples of the diverse range of products and machinery that commonly utilize slewing rings. Their ability to provide rotational support, precise motion control, and load-bearing capabilities makes them indispensable components in numerous industries, including construction, material handling, energy, transportation, robotics, and entertainment.
What advantages do slewing rings offer compared to other rotational components?
Slewing rings offer several advantages compared to other rotational components. Their unique design and features make them a preferred choice in various applications. Here’s a detailed explanation of the advantages that slewing rings offer:
- Compact Design: Slewing rings have a compact design that allows for efficient use of space. Compared to other rotational components such as gears and bearings, slewing rings provide a compact solution for supporting axial, radial, and moment loads while enabling rotational motion. Their compactness is especially advantageous in applications with limited space or weight constraints.
- High Load-Carrying Capacity: Slewing rings are designed to handle significant loads. They are capable of supporting both axial and radial loads, as well as moment loads that result from uneven weight distribution or external forces. The robust construction and precise engineering of slewing rings enable them to withstand heavy loads, making them suitable for applications that require high load-carrying capacity.
- Smooth Rotation: Slewing rings offer smooth rotation, allowing for precise and controlled motion. The rolling elements, whether balls or rollers, are positioned and guided within the raceways of the slewing ring to minimize friction and ensure smooth movement. This smooth rotation contributes to precise positioning and controlled motion, which is essential in applications that require accurate positioning and smooth operation.
- Integrated Gear Mechanism: Many slewing rings come with an integrated gear mechanism. This eliminates the need for additional gearing components, simplifies the design, and reduces assembly time and costs. The integrated gear mechanism allows for torque transmission and rotational control, enabling precise and controlled motion without the need for external gearing systems.
- Backlash Control: Slewing rings can be designed with minimal backlash, ensuring precise motion control. Backlash refers to the play or clearance between mating gears or components, which can lead to lost motion or inaccuracies in positioning. By minimizing backlash, slewing rings offer improved accuracy and repeatability in motion control applications.
- Versatility and Customization: Slewing rings are highly versatile and can be customized to meet specific application requirements. They can be tailored in terms of dimensions, load capacity, mounting interfaces, gear specifications, sealing systems, and materials. This versatility allows slewing rings to be optimized for various industries and applications, ensuring the best performance and compatibility.
- Durable and Low Maintenance: Slewing rings are designed to be durable and require minimal maintenance. They are constructed with high-quality materials, precision manufacturing, and appropriate sealing systems to withstand harsh operating conditions and contaminants. This durability and low maintenance requirement contribute to the long service life and reliability of slewing rings.
Overall, slewing rings offer advantages such as compact design, high load-carrying capacity, smooth rotation, integrated gear mechanism, backlash control, versatility, customization options, and durability. These advantages make slewing rings a preferred choice in various applications, including construction machinery, material handling equipment, cranes, wind turbines, robotics, and manufacturing systems.
editor by CX 2024-04-15