China Professional Yox-320 Engine Shaft Motor Stainless Steel Torque Converter Fluid Coupling

Product Description

A fluid coupling consists of 2 parts: the turbine and the pump. There are also blades inside, which are placed at an angle. The pump is mounted on the drive shaft end, while the turbine is on the driven shaft. When fluid enters the pump, the drive shaft rotates under the action of centrifugal force. When you add a reactor, it becomes a torque converter. Its main uses are industrial and marine applications.

Product Parameters

Fluid Coupling Specifications

Selection power table (KW)

Technical Data Sheet of Constant Filling Fluid Couplings YOX-Series

Item no.	600 (r/min)	750 (r/min)	1000 (r/min)	1500 (r/min)	3000 (r/min)	Lquid(L)	Weight(KG)
YOX-190				0.6-1.1	4.5-9.0	0.4-0.8	8.0
YOX-200				0.75-1.5	5.5-11	0.5-1.0	9.5
YOX-220			0.4-0.8	1.1-2.2	10-18.5	0.8-1.6	14
YOX-250			0.7-1.5	2.5-5.0	15-30	1.1-2.2	15
YOX-280			1.5-3.0	4.0-7.5	37-60	1.5-3.0	18
YOX-320		1.1-2.2	2.7-5.0	7.5-15	45-0	2.5-5.0	28
YOX-340		1.6-3.0	3.0-7.0	11-22	45-80	3.0-6.0	30
YOX-360		2.0-3.8	4.5-9.0	15-30	50-100	3.5-7.0	46
YOX-400		3.0-6.0	7.5-15	22-45	80-145	4.6-9.0	65
YOX-420		3.5-7	11-18.5	37-60		6.5-12	66
YOX-450		6.1-11	14-28	40-75		6.5-13	70
YOX-500		10-19	26-50	75-132		10-19	133
YOX-560		19-30	45-90	132-250		14-27	158
YOX-600	12-24	25-50	60-120	200-375		24-40	170
YOX-650	23-45	40-80	90-185	280-500		25-46	210
YOX-710	30-60	60-115	150-280			37-60	310
YOX-750	40-80	80-160	200-360			40-80	348
YOX-800	45-90	110-220	280-500			50-95	420
YOX-1000	140-280	270-550				70-140	510

Key Parameters in Designing a Fluid Coupling System

Designing a fluid coupling system requires careful consideration of various parameters to ensure optimal performance and efficiency. Here are the key parameters to take into account:

Power Rating: Determine the power requirements of the connected equipment to select a fluid coupling with an appropriate power rating. Undersized couplings may lead to overheating and premature wear, while oversized couplings can result in energy losses.
Input and Output Speeds: Consider the rotational speeds of the input and output shafts to ensure the fluid coupling can accommodate the desired speed range without slipping or exceeding its limitations.
Torque Capacity: Calculate the maximum torque expected in the system and choose a fluid coupling with a torque capacity that exceeds this value to handle occasional overloads and prevent damage.
Fluid Viscosity: The viscosity of the fluid inside the coupling affects its torque transmission capabilities. Select a fluid viscosity suitable for the application and operating conditions.
Start-Up and Load Conditions: Analyze the start-up torque and load variations during operation. The fluid coupling should be capable of handling these conditions without excessive slip or stress on the drivetrain.
Environmental Factors: Consider the ambient temperature, humidity, and potential exposure to contaminants. Ensure the fluid coupling’s materials and sealing mechanisms can withstand the environmental conditions.
Size and Weight: Optimize the size and weight of the fluid coupling to minimize space requirements and facilitate installation and maintenance.
Torsional Resonance: Evaluate torsional resonances in the system and select a fluid coupling with appropriate damping characteristics to mitigate vibrations.
Overload Protection: Determine if overload protection features, such as slip or torque limiting, are necessary to safeguard the connected equipment from damage.
Compatibility: Ensure the fluid coupling is compatible with the specific application, including the type of driven equipment, its mechanical characteristics, and any other interrelated components in the drivetrain.
Operational Costs: Consider the long-term operational costs, maintenance requirements, and efficiency of the fluid coupling to optimize the overall lifecycle cost of the system.
Safety Standards: Adhere to relevant safety standards and regulations in the design and installation of the fluid coupling system to ensure safe and reliable operation.

By carefully evaluating these parameters and selecting a fluid coupling that aligns with the specific requirements of the application, engineers can design a reliable and efficient fluid coupling system for various industrial and power transmission applications.

Role of Fluid Coupling in Torque Multiplication and Power Transfer

A fluid coupling is a mechanical device used to transmit power between two shafts without direct physical contact. It operates on the principles of fluid dynamics and hydrokinetics to enable torque multiplication and efficient power transfer. Here’s how a fluid coupling achieves these functions:

Hydrodynamic Torque Converter: A fluid coupling is essentially a hydrodynamic torque converter. When the input shaft (driving shaft) rotates, it sets the transmission fluid inside the coupling in motion. The fluid experiences centrifugal forces, creating a high-velocity zone near the outer circumference and a low-velocity zone near the center. This velocity difference generates torque in the fluid coupling, allowing power to be transmitted from the input shaft to the output shaft (driven shaft).
Torque Multiplication: One of the primary advantages of a fluid coupling is its ability to provide torque multiplication. During startup or when the load on the driven shaft is initially low, the fluid coupling slips to some extent, which allows the input shaft to rotate at a higher speed than the output shaft. This speed difference results in torque multiplication, enabling the fluid coupling to handle higher loads during acceleration or heavy starting conditions.
Power Transfer Efficiency: Fluid couplings offer high power transfer efficiency due to the hydrodynamic nature of their operation. The smooth and continuous transmission of power through the fluid medium minimizes energy losses and mechanical wear, leading to more efficient power transmission compared to mechanical clutches or direct-coupling methods.
Load Adaptability: Fluid couplings automatically adjust their slip to adapt to changing load conditions. When the load on the output shaft increases, the fluid coupling slips more, allowing the output shaft to slow down slightly and match the load demand. This load adaptability ensures smooth and stable power transfer even under varying operating conditions.

Fluid couplings are commonly used in applications where torque multiplication and smooth power transfer are essential. They find widespread use in heavy machinery, mining equipment, conveyors, crushers, marine propulsion systems, and many other industrial applications. By efficiently transferring power while providing torque multiplication, fluid couplings help optimize the performance and longevity of power transmission systems.

Proper selection of the fluid coupling based on the application’s torque and power requirements is crucial to ensure optimal torque multiplication and power transfer. Additionally, regular maintenance and monitoring of the fluid coupling’s condition are essential to maintain its efficiency and reliability over time.

Controlling Torque and Rotational Speed with Fluid Couplings

A fluid coupling plays a crucial role in controlling torque and rotational speed in power transmission systems. The principle behind its operation allows for smooth torque transmission while offering some level of speed control:

Torque Transmission: When power is applied to the input side (also known as the driving side) of the fluid coupling, the impeller starts to rotate and accelerates the transmission fluid inside the housing. The kinetic energy of the moving fluid creates a rotating flow pattern that transfers torque to the output side (also known as the driven side) of the coupling. This torque transfer enables the connected machinery or equipment to start smoothly without any shock loading.
Slip: In a fluid coupling, there is always a slight difference in speed between the input and output sides due to the viscous nature of the fluid. This speed difference is known as slip. The slip allows the fluid coupling to protect the connected components from sudden torque spikes and vibrations. If the output side experiences an abrupt load increase or jam, the slip absorbs the excess torque, preventing damage to the drivetrain.
Speed Control: While fluid couplings are not as efficient in speed control as variable-speed drives, they do offer some inherent speed control characteristics. The amount of slip in the fluid coupling affects the output speed relative to the input speed. By adjusting the fill level of the fluid coupling or using different fluid viscosities, it is possible to fine-tune the speed at which the output shaft rotates. However, it’s important to note that this speed control is limited compared to other speed control mechanisms.

Overall, fluid couplings provide a reliable and efficient means of controlling torque during power transmission. Their ability to dampen torsional vibrations and provide overload protection makes them suitable for various applications where smooth torque transfer and protection against shock loads are essential.

editor by CX 2023-08-18

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