Product Description
K Flex Coupling Excavator Engine Spare Parts Flange Connector Coupling 345D L MLK
Basic information:
| Material | Iron |
| Sales Type | Retail, Wholesale |
| Packaging Details | Natural Package |
| Application | Excavator |
| Local Service Location | None |
| Certification | CE |
| Item | Spring Energized Seal |
| Feature | High Durability |
| Place of Origin | China |
Why choose us:
Quality Controll
Competitive price
OEM Service
Experience more than 20 years’ experience
Wholesaler We supply a wide range of spare parts for excavators
Main products:
Seal Series:
arm cylinder seal kit, Boom cylinder seal kit, Bucket cylinder seal kit, main pump seal kit, travel motor seal kit,
swing motor seal kit, control valve seal kit, center joint seal kit, track adjust seal kit, bushings,
floating seals, o-ring box, pusher, etc.
Engine parts:
cylinder heads, cylinder blocks, crankshafts, camshafts, connecting rods, water pumps, turbo chargers,
engine assys, fan blades, main bearing and connecting rod bearings, pistons, piston rings, liner kits, etc.
Hydraulic parts:
hydraulic cylinder assembly, gear pump assembly, hydraulic pump assembly, travel motor assembly, final drive assembly, swing motor assembly,
main valve assembly, service valves, gasket kits, etc.
Electric Parts:
solenoid valves, water sensors, pressure sensors, throttle motors, stop solenoid, controllers, monitors, etc.
Other Parts:
seal kits, bushings, floating seals, o-ring box, pushers, couplings, engine cushions, bearings, gears, fuel filter
Product show as below:
About us:
specialized in:
couplings, rubber mounts, gera parts, hydraulic seals and seal kits for hydraulic hammers, rock breakers, hydraulic excavators,wheel loaders, and JCB badkhoe loaders.
And, Our company also supply:
Engine parts, hydraulic piston pump and hydraulic travel motor, Swing motor assembly and hydraulic component parts, electric parts, etc. Hydraulic hammer breaker parts with piston, cylinder, chisel, through bolt, side bolt, top bush, front head bushing,accumlator, valve, etc.
We always try our best for all our customers and make it better and better. Welcome!
FAQ
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Impact of Flange Coupling on Noise and Vibration in a Mechanical System
Flange couplings play a significant role in the overall noise and vibration levels of a mechanical system. The type of flange coupling used and its design characteristics can have varying effects on the system’s noise and vibration. Let’s explore how flange couplings impact noise and vibration in a mechanical system:
1. Rigid Flange Couplings:
Rigid flange couplings, being solid and inflexible connections, are generally considered to be more rigid than flexible couplings. As a result, they can transmit vibrations more directly between the connected shafts and the rest of the system. The lack of misalignment compensation can lead to higher stress on the bearings and other components, contributing to increased vibration levels.
However, rigid flange couplings are also less likely to introduce any additional sources of vibration due to their simple and solid construction. If the system is well-aligned and requires no misalignment compensation, rigid flange couplings can provide a stable and reliable connection.
2. Flexible Flange Couplings:
Flexible flange couplings are designed to dampen vibrations and shocks in the system. The flexibility of these couplings allows them to absorb and minimize the transmission of vibrations between the connected shafts and the rest of the system. As a result, flexible flange couplings can reduce overall vibration levels and provide a smoother and quieter operation.
Additionally, the misalignment compensation capability of flexible flange couplings helps to reduce stress on the bearings and other components. By accommodating misalignment, these couplings prevent the system from experiencing excessive vibrations that can lead to premature wear and failures.
Overall Impact:
The choice of flange coupling design will significantly influence the noise and vibration levels in the mechanical system. In applications where precise alignment is crucial, rigid flange couplings may be preferred despite potentially higher vibration levels. On the other hand, flexible flange couplings are ideal for systems where misalignment is expected or where vibration dampening is a priority.
It’s important to consider the specific requirements of the application when selecting a flange coupling. Factors such as torque capacity, operating conditions, alignment needs, and desired noise and vibration levels should all be taken into account. Proper installation and maintenance of the chosen flange coupling can also impact its performance in reducing noise and vibration levels in the mechanical system.
What are the Temperature and Environmental Limitations of Flange Couplings?
Flange couplings, like any mechanical component, have certain temperature and environmental limitations that can impact their performance and lifespan. It’s crucial to understand these limitations to select the appropriate flange coupling for specific applications. Here are the key factors to consider:
1. Temperature: Flange couplings are typically manufactured from materials that can withstand a range of temperatures. The maximum and minimum operating temperatures will depend on the material composition of the coupling. Common materials used for flange couplings, such as steel or stainless steel, can handle a broad temperature range from -40°C to 300°C or higher. However, extreme temperatures beyond the recommended range can cause material degradation, loss of strength, and potential failure of the coupling. In high-temperature applications, specialized materials like heat-resistant alloys may be used to maintain coupling integrity.
2. Corrosive Environments: Flange couplings operating in corrosive environments, such as chemical processing plants or marine applications, should be made from materials that resist corrosion. Stainless steel or other corrosion-resistant alloys are commonly used for such conditions. Regular inspection and maintenance are crucial to monitor the coupling’s condition and protect against premature failure due to corrosion.
3. Hazardous Environments: In certain industries, flange couplings may be exposed to hazardous or explosive atmospheres. In such cases, it’s essential to choose flange couplings that meet relevant safety standards, such as ATEX or IECEx, and are specifically designed and certified for use in hazardous environments.
4. Cleanliness and Hygienic Requirements: Industries such as food processing, pharmaceuticals, and biotechnology have strict hygiene standards. Flange couplings used in these applications should be easy to clean and constructed from materials that meet sanitary requirements to prevent contamination and ensure product purity.
5. Environmental Factors: Flange couplings used in outdoor applications may be exposed to various environmental factors such as moisture, dust, and UV radiation. Choosing couplings with appropriate protective coatings or seals can help enhance their resistance to environmental elements and extend their service life.
Before selecting a flange coupling for a specific application, it’s essential to consider the temperature and environmental conditions it will be exposed to. Consulting with coupling manufacturers or engineers can help ensure that the chosen flange coupling is suitable for the intended operating environment and will deliver reliable performance over its expected lifespan.
What is a flange coupling and how does it work?
A flange coupling is a type of rigid coupling used to connect two shafts together in a mechanical system. It consists of two flanges, one on each shaft, which are bolted together to form a solid and robust connection. Flange couplings are widely used in applications where precise alignment, high torque transmission, and zero backlash are critical.
The key components of a flange coupling include:
- Flanges: The flanges are circular discs with holes around the perimeter for bolting them to the respective shaft ends. The flanges are made from materials such as steel, cast iron, or aluminum, depending on the application requirements.
- Fasteners: High-strength bolts or studs with nuts are used to fasten the flanges together securely. The number and size of the bolts depend on the size and torque capacity of the coupling.
- Gaskets: In some cases, gaskets or spacers are used between the flanges to provide insulation, prevent corrosion, or compensate for any slight misalignments between the shafts.
How a flange coupling works:
- The two shafts that need to be connected are brought together with their respective flanges facing each other.
- The flanges are aligned precisely to ensure that both shafts are in perfect axial alignment. Proper alignment is essential to prevent excessive loads on the bearings and to ensure efficient torque transmission.
- Once the flanges are aligned, high-strength bolts or studs are inserted through the holes in the flanges, and nuts are fastened tightly to hold the flanges together securely.
- The tight connection between the flanges creates a rigid joint between the shafts, allowing torque to be transmitted from one shaft to the other with minimal losses.
- Flange couplings are designed to have zero backlash, meaning there is no play or free movement between the shafts when the direction of rotation changes. This feature ensures precise and immediate power transmission between the connected shafts.
Flange couplings are commonly used in various industrial applications, including heavy machinery, pumps, compressors, and marine propulsion systems. They are preferred when a reliable, high-torque transmission with precise alignment is required. However, they do not offer flexibility to accommodate misalignment, which is a limitation compared to flexible couplings. Therefore, proper alignment during installation is critical to avoid premature wear and failure of the coupling and connected equipment.
editor by CX 2024-03-15