Product Description
Densen customized yoxiiz fluid coupling,fluid coupling oil,centrifugal fluid coupling
| Product Name | Fluid coupling,constant fluid coupling,fluid coupling yox |
| DN mm | 16~190mm |
| Rated Torque | 40~25000 N·m |
| Allowable speed | 4500~200 kN·m |
| Material | 45#steel |
| Application | Widely used in metallurgy, mining, engineering and other fields. |
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Company Information
Equipment
Application Case
Typical case of diaphragm coupling applied to variable frequency speed control equipment
JMB type coupling is applied to HangZhou Oilfield Thermal Power Plant
According to the requirements of HangZhou Electric Power Corporation, HangZhou Oilfield Thermal Power Plant should dynamically adjust the power generation according to the load of the power grid and market demand, and carry out the transformation of the frequency converter and the suction fan. The motor was originally a 1600KW, 730RPM non-frequency variable speed motor matched by HangZhou Motor Factory. The speed control mode after changing the frequency is manual control. Press the button speed to increase 10RPM or drop 10RPM. The coupling is still the original elastic decoupling coupling, and the elastic de-coupling coupling after frequency conversion is frequently damaged, which directly affects the normal power generation.
It is found through analysis that in the process of frequency conversion speed regulation, the pin of the coupling can not bear the inertia of the speed regulation process (the diameter of the fan impeller is 3.3 meters) and is cut off, which has great damage to the motor and the fan.
Later, they switched to the JMB460 double-diaphragm wheel-type coupling of our factory (patent number: ZL.99246247.9). After 1 hour of destructive experiment and more than 1 year of operation test, the equipment is running very well, and there is no Replace the diaphragm. 12 units have been rebuilt and the operation is in good condition.
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What are the different fluid media used in fluid drive couplings, such as oil or water?
Fluid drive couplings can use various types of hydraulic fluids as the medium to transmit torque between the driving and driven elements. The choice of fluid media depends on the specific application requirements and the operating conditions. Some common fluid media used in fluid drive couplings include:
- Oil: Mineral oil, synthetic oil, or a blend of various oils are commonly used as hydraulic fluids in fluid drive couplings. These oils offer good lubrication properties and thermal stability, making them suitable for various industrial applications. Oil-based fluid drive couplings are often preferred for heavy-duty and high-temperature applications.
- Water-Glycol: Water-glycol mixtures are widely used as hydraulic fluids in fluid drive couplings that require fire-resistant properties. These fluids are commonly used in industries where fire hazards are a concern, such as steel mills and foundries.
- Water-Oil Emulsions: Emulsions of water and oil are used in certain fluid drive couplings, especially in applications where fire resistance and cooling properties are essential. Water-oil emulsions provide both good lubrication and effective heat dissipation capabilities.
- Water: In some specific applications, plain water is used as the hydraulic fluid in fluid drive couplings. Water offers excellent cooling properties and is suitable for applications where there is no risk of freezing or where fire resistance is not a primary concern.
- Biodegradable Fluids: Biodegradable hydraulic fluids, such as vegetable-based oils or synthetic esters, are employed in environmentally sensitive applications. These fluids are biodegradable and offer good lubrication properties while minimizing environmental impact.
- Specialty Fluids: Depending on the specific requirements of niche applications, other specialty hydraulic fluids with unique properties may be used in fluid drive couplings. These specialty fluids are tailored to meet specific demands, such as extreme temperatures or aggressive operating environments.
The selection of the appropriate hydraulic fluid for a fluid drive coupling depends on factors like the operating temperature, load conditions, environmental considerations, and compatibility with the coupling’s materials. Manufacturers usually provide guidelines on the suitable fluid types and specifications for their specific fluid drive coupling models.
Regular monitoring and maintenance of the hydraulic fluid are essential to ensure optimal performance and to extend the service life of the fluid drive coupling. Fluid condition monitoring helps identify any signs of contamination or degradation, enabling timely fluid replacement or treatment as necessary.
It is crucial to follow the manufacturer’s recommendations regarding fluid type, fluid level, and fluid change intervals to ensure the fluid drive coupling operates efficiently and reliably in its intended application.
Where to Find Reputable Suppliers or Manufacturers of Fluid Drive Couplings
If you are looking for reputable suppliers or manufacturers of fluid drive couplings to meet your specific power transmission needs, there are several places you can explore:
- Industrial Trade Shows: Attend industry-specific trade shows and exhibitions that focus on power transmission, fluid power, and related technologies. These events often feature numerous suppliers and manufacturers showcasing their products and solutions.
- Online Directories: Utilize online industrial directories and sourcing platforms that allow you to search for fluid drive coupling manufacturers. Websites like Thomasnet, Alibaba, and GlobalSpec can be helpful in finding suppliers from around the world.
- Manufacturer Websites: Visit the websites of known fluid drive coupling manufacturers. Many reputable companies provide detailed information about their products, technical specifications, and contact details.
- Engineering Magazines and Publications: Look for advertisements and product listings in engineering magazines and publications that focus on mechanical power transmission and fluid power technologies.
- Referrals and Recommendations: Seek recommendations from colleagues or industry experts who have experience with fluid drive couplings. They may be able to suggest reliable suppliers based on their own positive experiences.
- Consulting with Distributors: Contact industrial distributors or local suppliers specializing in power transmission components. They often work with multiple manufacturers and can guide you to suitable fluid drive coupling solutions.
- Online Search Engines: Conduct a thorough online search using specific keywords related to fluid drive couplings and power transmission. This can help you find suppliers in your region or globally.
When considering potential suppliers, take into account factors such as their reputation in the industry, product quality, customer reviews, technical support, delivery times, and pricing. Request product samples or technical data sheets to ensure the chosen fluid drive coupling meets your specific requirements.
Remember to evaluate not only the product itself but also the supplier’s reliability and ability to provide excellent customer service and after-sales support.
Can you explain the working principle of a fluid drive coupling and its advantages over other coupling types?
A fluid drive coupling, also known as a hydraulic coupling, is a type of coupling used to transmit power between two shafts in a machinery system. It operates on the principle of hydrodynamic power transmission, utilizing hydraulic fluid to transfer torque and rotational motion from the driving shaft to the driven shaft.
The working principle of a fluid drive coupling involves the following key elements:
- Driving Impeller (Pump): The fluid drive coupling consists of a driving impeller, also called the pump, attached to the driving shaft. When the driving shaft rotates, it causes the driving impeller to rotate as well.
- Driven Impeller (Turbine): The driven impeller, also known as the turbine, is connected to the driven shaft. As the fluid in the coupling circulates, it imparts rotational motion to the driven impeller.
- Hydraulic Fluid: The coupling is filled with hydraulic fluid, typically oil. When the driving impeller rotates, it creates a flow of hydraulic fluid within the casing.
As the hydraulic fluid moves from the driving impeller to the driven impeller, it generates a hydraulic force that drives the driven impeller to rotate. This movement of fluid between the impellers allows the transfer of torque from the driving shaft to the driven shaft without any direct mechanical contact between them.
Advantages of Fluid Drive Coupling over other coupling types include:
- Smooth Operation: Fluid drive couplings offer smooth and gradual acceleration, minimizing shock loads on the machinery and reducing wear on mechanical components. This results in improved system longevity and reduced maintenance requirements.
- Torque Amplification: During start-up or when the driven shaft encounters resistance, fluid drive couplings can provide torque amplification, allowing the driven shaft to handle higher loads without stalling the driving shaft.
- Overload Protection: Fluid drive couplings can slip under excessive load conditions, absorbing the excess energy and protecting the machinery from damage. This feature acts as a safety mechanism and prevents sudden overloads.
- Speed Regulation: By adjusting the input speed of the driving shaft, fluid drive couplings can regulate the speed of the driven shaft. This feature is beneficial in applications where precise control of output speed is necessary.
- No Mechanical Wear: Since fluid drive couplings do not have any physical contact between the driving and driven shafts, there is minimal mechanical wear, reducing the need for frequent maintenance and replacement of coupling components.
- Isolation of Vibrations and Noise: Fluid drive couplings dampen vibrations and noise in the power transmission system, resulting in quieter operation and improved comfort in the surrounding environment.
- High Misalignment Tolerance: Fluid drive couplings can accommodate axial and angular misalignments between the driving and driven shafts, reducing the risk of component failure due to misalignment issues.
Fluid drive couplings find application in various industries, including automotive, construction, industrial machinery, and marine, where they contribute to efficient power transmission, improved system performance, and enhanced safety during operation.
It’s essential to consider the specific requirements of the machinery system and the advantages offered by fluid drive couplings when selecting the appropriate coupling type for a particular application. Proper installation, maintenance, and monitoring of the fluid drive coupling ensure continued reliable and efficient operation of the machinery or equipment.
editor by CX 2024-04-30
