Product Description
Product Description
A fluid coupling or hydraulic coupling is a hydrodynamic or ‘hydrokinetic’ device used to transmit rotating mechanical power.[1]
It has been used in automobiletransmissions as an alternative to a mechanical clutch. It also has widespread application in marine and industrial machine drives, where variable speed operation and controlled start-up without shock loading of the power transmission system is essential.
Company Profile
Our Equipments
Main production equipment:
Large lathe, surface grinder, milling machine, gear shaper, spline milling machine, horizontal broaching machine, gear hobbing machine, shaper, slotting machine, bench drilling machine, radial drilling machine, boring machine, band sawing machine, horizontal lathe, end milling machine, crankshaft grinder, CNC milling machine, casting equipment, etc.
Inspection equipment:
Dynamic balance tester, high-speed intelligent carbon and sulfur analyzer, Blochon optical hardness tester, Leeb hardness tester, magnetic yoke flaw detector, special detection, modular fixture (self-made), etc.
Machining equipments
Heat equipment
Our Factory
Application – Photos from our partner customers
Company Profile
Our leading products are mechanical transmission basic parts – couplings, mainly including universal couplings, drum gear couplings, elastic couplings and other 3 categories of more than 30 series of varieties. It is widely used in metallurgical steel rolling, wind power, hydropower, mining, engineering machinery, petrochemical, lifting, paper making, rubber, rail transit, shipbuilding and marine engineering and other industries.
Our factory takes the basic parts of national standards as the benchmark, has more than 40 years of coupling production experience, takes “scientific management, pioneering and innovation, ensuring quality and customer satisfaction” as the quality policy, and aims to continuously provide users with satisfactory products and services. The production is guided by reasonable process, and the ISO9001:2015 quality management system standard is strictly implemented. We adhere to the principle of continuous improvement and innovation of coupling products. In recent years, it has successfully developed 10 national patent products such as SWF cross shaft universal coupling, among which the double cross shaft universal joint has won the national invention patent, SWF cross shaft universal coupling has won the new product award of China’s general mechanical parts coupling industry and the ZHangZhoug Province new product science and technology project.
Our factory has strong technical force, excellent process equipment, complete professional production equipment, perfect detection means, excellent after-sales service, various products and complete specifications. At the same time, we can provide the design and manufacturing of special non-standard products according to the needs of users. Our products sell well at home and abroad, and are trusted by the majority of users. We sincerely welcome friends from all walks of life at home and abroad to visit and negotiate for common development
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Can fluid drive couplings handle both angular and axial misalignments simultaneously?
Yes, fluid drive couplings are designed to handle both angular and axial misalignments simultaneously. The hydrodynamic principle used in fluid drive couplings allows them to accommodate misalignments between the driving and driven shafts in multiple directions.
Angular misalignment occurs when the axes of the driving and driven shafts are not perfectly parallel. Axial misalignment, on the other hand, refers to the misalignment of the two shafts along their common axis. In many real-world applications, both types of misalignment may exist.
Fluid drive couplings utilize a hydraulic fluid film to transmit torque between the impellers (pump and turbine) of the coupling. This fluid film creates a flexible and lubricating barrier between the impellers, enabling them to rotate independently of each other. As a result, the coupling can accommodate angular misalignment by allowing the impellers to tilt and follow the misaligned shafts’ angular positions.
Simultaneously, the fluid film also permits axial movement between the impellers, allowing the coupling to compensate for axial misalignment. When axial misalignment occurs, the fluid film cushions the impellers and permits axial displacement to occur without excessive stress or wear on the coupling.
The ability of fluid drive couplings to handle both angular and axial misalignments is one of their significant advantages over rigid mechanical couplings. Mechanical couplings, such as gear couplings or rigid couplings, are more sensitive to misalignments and may lead to premature wear, vibration, and increased stress on the connected machinery in case of misalignment.
However, it is essential to note that while fluid drive couplings can tolerate a certain degree of misalignment, excessive misalignment can still lead to reduced performance and increased wear over time. Regular monitoring of the coupling’s condition and addressing any significant misalignment issues is crucial to maintaining optimal performance and ensuring the longevity of the fluid drive coupling and the power transmission system it serves.
Real-World Examples of Successful Fluid Drive Coupling Installations and Their Benefits
Fluid drive couplings, also known as hydraulic couplings or fluid couplings, have been widely used in various industrial applications to achieve numerous benefits. Here are some real-world examples of successful fluid drive coupling installations and the advantages they offer:
- Mining Industry:
In large mining operations, fluid drive couplings are commonly used in conveyor belt systems to control the starting and stopping of the belts. The fluid coupling provides smooth and gradual acceleration, reducing shock loads on the conveyor system and minimizing wear and tear on the belts and other components. This results in increased equipment lifespan and reduced maintenance costs. Additionally, the fluid coupling offers overload protection, preventing damage to the conveyor system in case of sudden overloads or blockages.
- Steel Industry:
In steel mills, fluid drive couplings are utilized in various applications, such as rolling mills and large fans. In rolling mills, fluid couplings help maintain a constant speed during rolling operations, ensuring consistent product quality. The fluid coupling’s ability to absorb shock loads and torsional vibrations protects the rolling mill equipment and reduces downtime. In cooling and ventilation fans, fluid couplings provide soft starts and smooth speed control, leading to energy savings and quieter operation.
- Power Generation:
In power plants, fluid drive couplings are commonly used in steam turbines and gas turbines. Fluid couplings allow for controlled acceleration of the turbines, reducing the mechanical stress on the blades and rotor during startup. This results in extended turbine life and improved reliability. Additionally, fluid couplings help improve grid stability by enabling gradual synchronization with the power grid during startup.
- Marine Industry:
In marine propulsion systems, fluid drive couplings are employed to connect diesel engines to propellers. The fluid coupling ensures smooth torque transmission and absorbs torsional vibrations, preventing damage to the propulsion system and increasing the lifespan of the engine and gearbox. Additionally, the fluid coupling offers overload protection, safeguarding the engine and drivetrain from sudden load changes.
- Pumping Applications:
In water and wastewater treatment plants, fluid drive couplings are commonly used in pump applications. The fluid coupling enables soft starts, reducing the impact on the pump and electrical system during startup. This results in energy savings and extended pump life. Additionally, the fluid coupling’s ability to dampen torsional vibrations minimizes wear on pump bearings and mechanical seals.
These real-world examples illustrate the versatility and effectiveness of fluid drive couplings in various industries. Whether in mining, steel production, power generation, marine propulsion, or pumping applications, fluid couplings provide reliable and efficient power transmission while offering benefits such as reduced maintenance, energy savings, increased equipment lifespan, and improved system reliability.
“`
What are the different types of fluid drive couplings used in various industrial applications?
Fluid drive couplings come in various types, each designed to suit specific industrial applications and power transmission requirements. Here are some of the different types of fluid drive couplings commonly used in various industries:
- Constant-Fill Fluid Couplings: Constant-fill fluid couplings have a fixed amount of hydraulic fluid inside the casing. These couplings offer smooth acceleration and deceleration and provide torque amplification during start-up. They are often used in applications requiring consistent speed regulation and overload protection, such as conveyor systems and crushers.
- Variable-Fill Fluid Couplings: Variable-fill fluid couplings allow manual adjustment of the hydraulic fluid level within the casing. By changing the fill level, the coupling can vary the amount of slip between the driving and driven shafts, enabling precise control over the output speed. These couplings are suitable for applications that require speed control, such as mixers, agitators, and cooling tower fans.
- Delayed-Fill Fluid Couplings: Delayed-fill fluid couplings have a time-delayed filling mechanism that controls the fluid transfer between the driving and driven impellers. They are used in applications where a gradual start-up is necessary to reduce shock loads, such as in large centrifugal pumps and compressors.
- Hydrodynamic Torque Converters: Hydrodynamic torque converters are a type of fluid coupling with an additional stator element. The stator redirects the fluid flow, improving the efficiency of power transmission and providing a higher torque output. These couplings are commonly used in automotive applications, such as automatic transmissions in vehicles.
- Magnetic Fluid Couplings: Magnetic fluid couplings use magnetic fields to transfer torque without physical contact between the driving and driven impellers. These couplings offer a hermetically sealed design, making them suitable for applications where preventing fluid leakage is critical, such as in pumps and marine propulsion systems.
- Constant-Fill Fluid Couplings with Lock-Up: These couplings combine the characteristics of a constant-fill fluid coupling with the ability to lock-up the driving and driven impellers, creating a solid mechanical connection when required. They are commonly used in industrial drivetrains to improve overall efficiency and reduce energy losses.
- Fluid Couplings with Integrated Clutches: These couplings incorporate both the hydrodynamic power transmission of fluid couplings and the clutching action of mechanical clutches. They provide smooth start-up and can handle high torque loads, making them suitable for heavy-duty applications like metal forming presses and mining equipment.
Each type of fluid drive coupling offers unique advantages and is selected based on the specific requirements of the industrial application. When choosing a fluid drive coupling, factors such as torque capacity, speed range, slip control, and efficiency should be carefully considered to ensure optimal performance and reliability in the intended application.
It’s crucial to consult with experienced fluid power engineers or coupling manufacturers to determine the most suitable type of fluid drive coupling for a particular industrial application. Proper selection and installation of the right fluid drive coupling can significantly enhance the efficiency, safety, and longevity of the machinery or equipment.
editor by CX 2024-01-09
