Product Description

High tolerance and high precision CNC machining hydrodynamic fluid coupling 

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19 years industry experience
11 years in Euro-market, been serving Top 10 companies in the Railway and gym equipments industry.
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   Muyang machinery is a manufacturer with the capability of comprehensive services of casting, forging and machining, committed to the production of customized parts. Since established in 2002 (former Miaosen Machinery Co., Ltd), we’ve been supplying to the global market for over 15 years, served industries include automotive, railway, gas and oil, medical machinery, construction machinery, gym equipment, etc.

Capability	CNC machining center – MAX size: 600*1200*500mm General tolerance: ±0.005mm Machine qty: 6 sets      CNC Milling – MAX size: 1200*500mm General tolerance: ±0.02mm Machine qty: 12 sets         CNC turning – MAX size: φ0.5-φ800*1000mm General tolerance: ±0.005mm Machine qty: 35 sets
Service:	CNC turning, CNC milling, CNC grinding, CNC lathe machining, CNC boring, CNC drilling, CNC tapping, surface treatment etc.
Material available	Stainless steel: SS201, SSS301, SS303, SS304, SS316, SS416, SS440C etc. Steel: Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# Brass/Bronze: HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90, C360, C260, C932 Copper: C11000, C12000, C36000 Aluminum: AL2017, AL2571, AL5052, AL5083, AL6061, AL6063, AL6082, AL7075 Iron: A36, 45#, 1213, 1214, 1215 Others per customers’ requirements
Surface finish	Aluminum alloy: Clear anodized, color anodized, sand blast anodized, hard anodized, brushing, polishing, powder coated and painting Brass/copper/steel: Nickel plating, chrome plating Steel/Stainless steel: Zinc plating, oxide black, carburized, heat treatment, nitriding
Measuring tools	Micrometer, calipers, thread tools, high guage, trapezoidal thread plug gauge, sclerometer, dial indicator, projector

 

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Packaging & Shipping

 

We promise our clients careful, safe and tight package for exporting!

Standard packing: pearl cotton/bubble bag + carton box + pallet/wooden box

Special packing: custom packaging + wooden box

 

FAQ

1. Are you a manufacturer or trading company?
We’re a manufacturer with self-export rights. 

2. What’s your main business?
Our main business is custom metal parts processed by CNC machining, casting, forging etc., serving industries include railway, automobile, construction machinery, gym equipment, water gas and oil.

3. Directly get to CONTACT or send your product drawing/inquiries to email, we will reply within 0.5 hour.

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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.

Temperature Limitations of Fluid Couplings

Fluid couplings, like any mechanical component, have temperature limitations that must be considered to ensure their proper and safe operation. The temperature limitations of fluid couplings are influenced by the type of fluid used inside the coupling, the ambient operating conditions, and the specific design and construction of the coupling.

The primary concern regarding temperature is the heat generated during the operation of the fluid coupling. The heat is a result of friction and fluid shear within the coupling as it transmits power between the input and output shafts. Excessive heat generation can lead to the degradation of the fluid, affecting the performance and longevity of the coupling.

As a general guideline, most fluid couplings are designed to operate within a temperature range of -30°C to 80°C (-22°F to 176°F). However, the actual temperature limitations may vary depending on the manufacturer and the application requirements. For specific industrial applications where high-temperature environments are common, fluid couplings with higher temperature tolerances may be available.

It is crucial to consider the operating environment and the power demands of the machinery when selecting a fluid coupling. In applications with extreme temperatures, additional cooling mechanisms such as external cooling fins or cooling water circulation may be employed to maintain the fluid coupling within its safe operating temperature range.

Exceeding the recommended temperature limits can lead to premature wear, reduced efficiency, and even mechanical failure of the fluid coupling. Regular monitoring of the operating temperature and following the manufacturer’s guidelines for maintenance and fluid replacement can help ensure the longevity and reliability of the fluid coupling.

Always consult with the manufacturer or a qualified engineer to determine the specific temperature limitations and suitability of the fluid coupling for your particular application.

Types of Fluid Used in Fluid Couplings

Various types of fluids can be used in fluid couplings depending on the specific application and requirements. Some common types of fluids used in fluid couplings include:

• Oil: Mineral oil is one of the most commonly used fluids in fluid couplings. It offers good lubrication properties and thermal stability, making it suitable for a wide range of operating conditions. Oil-based fluids are generally cost-effective and readily available.
• Water-Glycol: Water-glycol mixtures are often used in fluid couplings that require fire-resistant properties. These mixtures provide improved cooling and are less flammable compared to pure oil fluids. They are commonly used in applications where fire safety is a concern, such as in mining and underground operations.
• Synthetic Fluids: Synthetic fluids, such as synthetic oils and silicone-based fluids, offer enhanced performance characteristics over mineral oils. They can withstand higher temperatures and provide better thermal stability, making them suitable for more demanding industrial applications.
• Biodegradable Fluids: In environmentally sensitive applications, biodegradable fluids are used to reduce the environmental impact in case of accidental leaks or spills. These fluids are designed to break down naturally and are commonly used in applications like forestry and marine operations.

The choice of fluid depends on factors such as the required power transmission efficiency, operating temperature, fire safety requirements, and environmental considerations. It is essential to select the appropriate fluid that matches the specific needs of the fluid coupling and the machinery or equipment it is used in.

editor by CX 2024-04-11

Product Description

Four-axis precision CNC machining hydrodynamic fluid coupling

   Muyang machinery is a manufacturer with the capability of comprehensive services of casting, forging, and machining, committed to the production of customized parts. Since established in 2002 (former Miaosen Machinery Co., Ltd), we’ve been supplying to the global market for over 15 years, serving industries including automotive, railway, gas and oil, medical machinery, construction machinery, gym equipment, etc.

Capability	CNC machining center – MAX size: 600*1200*500mm General tolerance: ±0.005mm Machine qty: 6 sets      CNC Milling – MAX size: 1200*500mm General tolerance: ±0.02mm Machine qty: 12 sets         CNC turning – MAX size: φ0.5-φ800*1000mm General tolerance: ±0.005mm Machine qty: 35 sets
Service:	CNC turning, CNC milling, CNC grinding, CNC lathe machining, CNC boring, CNC drilling, CNC tapping, surface treatment, etc.
Material available	Stainless steel: SS201, SSS301, SS303, SS304, SS316, SS416, SS440C etc. Steel: Mild steel, Carbon steel, 4140, 4340, Q235, Q345B, 20#, 45# Brass/Bronze: HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90, C360, C260, C932 Copper: C11000, C12000, C36000 Aluminum: AL2017, AL2571, AL5052, AL5083, AL6061, AL6063, AL6082, AL7075 Iron: A36, 45#, 1213, 1214, 1215 Others per customers’ requirements
Surface finish	Aluminum alloy: Clear anodized, color anodized, sandblast anodized, hard anodized, brushing, polishing, powder coated, and painting Brass/copper/steel: Nickel plating, chrome plating Steel/Stainless steel: Zinc plating, oxide black, carburized, heat treatment, nitriding
Measuring tools	Micrometer, calipers, thread tools, high gauge, trapezoidal thread plug gauge, sclerometer, dial indicator, projector

 

 

 

We promise our clients a careful, safe, and tight package for exporting!

Standard packing: pearl cotton/bubble bag + carton box + pallet/wooden box

Special packing: custom packaging + wooden box

FAQ:

1. Are you a manufacturer or trading company?
We’re a manufacturer with self-export rights. 

2. What’s your main business?
Our main business is custom metal parts processed by CNC machining, casting, forging, etc., serving industries including railway, automobile, construction machinery, gym equipment, water gas, and oil.

3. Directly get to CONTACT or send your product drawing/inquiries to email, we will reply within 0.5 hours.

Fluid Couplings in Marine Propulsion Systems

Yes, fluid couplings can be and are commonly used in marine propulsion systems. They offer several advantages that make them well-suited for such applications:

• Smooth Power Transmission: Fluid couplings provide smooth power transmission, which is beneficial for marine propulsion where abrupt changes in power delivery can be detrimental to the vessel’s stability and performance.
• Torque Limiting: In marine applications, fluid couplings can act as torque limiters, protecting the propulsion system and engine from sudden torque surges and overloads, which can occur during maneuvers or when encountering resistance in water.
• Impact Damping: The hydrodynamic principle of fluid couplings helps dampen impacts and shocks in the propulsion system, reducing wear and tear on the components and extending their lifespan.
• Load Sharing: In multi-engine marine setups, fluid couplings facilitate load sharing between engines, ensuring each engine contributes its share of power to achieve optimal propulsion efficiency.
• Start-up Performance: Fluid couplings enable controlled and gradual acceleration during start-up, which is crucial for large vessels and applications where sudden torque spikes could damage the drivetrain or disturb the vessel’s balance.
• Overload Protection: The fluid coupling’s ability to slip at high loads provides inherent overload protection to the marine propulsion system, safeguarding it against potential damage.

Fluid couplings used in marine applications are specially designed to withstand the harsh conditions of the marine environment, including exposure to saltwater, humidity, and vibration. They are available in various sizes and configurations to accommodate different marine vessel types and power requirements.

Overall, fluid couplings offer reliable and efficient power transmission solutions for marine propulsion systems, contributing to the safe and smooth operation of the vessel.

Real-World Case Studies: Improved Performance with Fluid Couplings

Fluid couplings have been widely adopted in various industries, and numerous real-world case studies demonstrate their positive impact on performance and efficiency. Here are a few examples:

Case Study 1: Mining Conveyor System

In a large mining operation, a conveyor system used to transport heavy loads of ore experienced frequent starts and stops due to fluctuating material supply. The abrupt starting and stopping led to significant wear and tear on the conveyor components, causing frequent breakdowns and maintenance downtime.

After installing fluid couplings at critical points in the conveyor system, the soft start and stop capability of the fluid couplings significantly reduced the mechanical stress during operation. This led to a smoother material flow, reduced conveyor wear, and extended equipment life. Additionally, the fluid couplings’ overload protection feature prevented damage to the conveyor during peak loads, ensuring uninterrupted production.

Case Study 2: Marine Propulsion System

In a marine vessel equipped with traditional direct drive systems, the crew faced challenges in maneuvering the ship efficiently. The fixed propeller arrangement made it challenging to control the vessel’s speed and direction accurately, leading to increased fuel consumption and decreased maneuverability.

By retrofitting the vessel’s propulsion system with fluid couplings, the ship’s performance improved significantly. The fluid couplings allowed for flexible and smooth speed control, enabling precise maneuvering and reduced fuel consumption. The ability to adjust the load on the propeller enhanced the vessel’s overall efficiency, resulting in reduced operating costs and improved environmental sustainability.

Case Study 3: Industrial Pumping Station

In an industrial pumping station, the constant starting and stopping of the pumps caused water hammer and pressure surges within the pipeline network. The sudden hydraulic shocks led to pipe bursts, valve failures, and increased energy consumption.

After implementing fluid couplings in the pump drive systems, the pumps could be softly started and stopped. The fluid couplings’ torque control capabilities ensured a gradual increase in pump speed, eliminating water hammer and pressure surges. As a result, the pumping station’s reliability improved, maintenance costs decreased, and the energy consumption reduced due to smoother pump operations.

These case studies demonstrate the positive effects of using fluid couplings in various applications. They highlight how fluid couplings contribute to improved performance, reduced mechanical stress, enhanced control, and cost savings in industrial machinery and systems.

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Environmental Concerns Related to Fluid Coupling Operation

Fluid couplings are generally considered environmentally friendly and pose minimal direct environmental concerns during their operation. They do not contain hazardous materials or produce harmful emissions, making them a relatively safe choice for power transmission systems.

However, it is essential to consider some potential indirect environmental impacts associated with the use of fluid couplings in certain applications:

1. Energy Efficiency: As discussed earlier, fluid couplings can improve energy efficiency in power transmission systems. By reducing energy wastage and optimizing torque transmission, they indirectly contribute to lower energy consumption. Energy efficiency is crucial in industries where high power consumption may have environmental implications due to increased energy demand from power plants.
2. Maintenance Practices: Regular maintenance is essential to ensure optimal performance and longevity of fluid couplings. Proper maintenance reduces the risk of leaks and other potential issues that could lead to fluid spillage. Implementing sound maintenance practices can prevent environmental contamination and contribute to sustainable operations.
3. Fluid Selection: The choice of fluid used in the coupling can impact the environment. While most fluid couplings use environmentally safe hydraulic fluids, it is essential to ensure that the selected fluid complies with environmental regulations and does not pose any environmental hazards if accidentally released.
4. End-of-Life Disposal: At the end of their lifecycle, fluid couplings may need to be disposed of properly. The recycling or disposal of fluid couplings should follow local environmental regulations to minimize any potential environmental impact.

Overall, fluid couplings themselves are not a significant source of environmental concerns. Still, it is essential to consider their indirect impacts, such as energy efficiency, maintenance practices, fluid selection, and end-of-life disposal, to ensure responsible and environmentally conscious use.

editor by CX 2023-09-18

Product Description

Multidirectional forging hydrodynamic fluid coupling with precision CNC machining

   Muyang machinery is a manufacturer with the capability of comprehensive services of casting, forging and machining, committed to the production of customized parts. Since established in 2002 (former Miaosen Machinery Co., Ltd), we’ve been supplying to the global market for over 15 years, served industries include automotive, railway, gas and oil, medical machinery, construction machinery, gym equipment, etc.

 

Process	Hot forging, cold forging, die forging with secondary service
Material	Carbon steel: A36,1045,1035 etc., Alloy steel: 40Cr, 20CrMnTi, 20CrNiMo,42CrMo4 etc., Stainless steel, SS304,SS316 etc.
Standard	ISO, DIN, ASTM, BS, etc.
Weight	0.1kg – 20kg (in accordance with product structure)
Applicable Machining Process	CNC Machining/ Lathing/ Milling/ Turning/ Boring/ Drilling/ Tapping/ Broaching/Reaming etc.
Machining Tolerance	±0.005mm
Machined Surface Quality	Ra0.8-Ra3.2 according to customer requirement
Applicable Heat Treatment	Normalization, Quenching, and tempering, Case
	Hardening, Nitriding, Carbon Nitriding, Induction Quenching
Applicable Finish Surface Treatment	Shot/sand blast, polishing, Surface passivation, Primer Painting, Powder coating, ED- Coating, Chromate Plating, zinc-plate, Dacromat coating, Finish Painting
Testing equipment	Supersonic inspection machine, Supersonic flaw detecting machine, Physics and chemical analysis etc.
Packing	Wooden cases or according to customers’ requirement
MOQ of mass production	1000-5000pcs ( in accordance with the actual condition)

 

 

 

 

 

 

 

 

 

We promise our clients a careful, safe, and tight package for exporting!

 

Standard packing: pearl cotton/bubble bag + carton box + pallet/wooden box

Special packing: custom packaging + wooden box

 

 

 

FAQ:

1. Are you a manufacturer or trading company?
We’re a manufacturer with self-export rights. 

2. What’s your main business?
Our main business is custom metal parts processed by CNC machining, casting, forging, etc., serving industries including railway, automobile, construction machinery, gym equipment, water gas, and oil.

3. Directly get to CONTACT or send your product drawing/inquiries to email, we will reply within 1 hour.
  

Role of Fluid Couplings in Heavy-Duty Mining Equipment

Fluid couplings play a critical role in heavy-duty mining equipment, offering several advantages that enhance the performance, safety, and longevity of the machinery:

• Soft Start: In mining applications, where large equipment like crushers, conveyors, and draglines are involved, fluid couplings provide a soft start to the motor, gradually ramping up the torque and reducing the shock and stress on the drivetrain. This ensures smoother equipment startup and prevents sudden power demand spikes.
• Torque Limiting: Fluid couplings act as torque limiters, protecting the equipment from sudden overloads and torque surges during operations. This feature prevents damage to the motor, gearbox, and driven components, thus increasing the reliability and lifespan of the equipment.
• Load Distribution: In mining equipment with multiple driven components or motors, fluid couplings enable efficient load distribution among the components. This ensures that each component shares the load appropriately, preventing uneven wear and improving overall system efficiency.
• Overload Protection: The inherent slip feature of fluid couplings allows them to slip at high loads, providing overload protection to the equipment. In case of unexpected jams or blockages in conveyor belts or crushers, the fluid coupling can slip, preventing costly damage to the equipment.
• Vibration Damping: Mining operations can generate significant vibrations that can be damaging to the equipment. Fluid couplings help dampen vibrations, reducing stress on the components and minimizing wear and tear.
• Reduced Maintenance: By preventing sudden torque surges and overloads, fluid couplings reduce the need for frequent maintenance and repairs, saving both time and money for mining operators.

Heavy-duty mining equipment operates in harsh and challenging environments with high loads and abrasive materials. Fluid couplings used in mining applications are designed to be robust, durable, and resistant to contaminants like dust and water.

Overall, fluid couplings play a vital role in ensuring the efficient and reliable operation of heavy-duty mining equipment, contributing to increased productivity and reduced downtime in mining operations.

Fluid Couplings in Hydraulic Drive Systems

Yes, fluid couplings can be used in hydraulic drive systems to transmit power and control the speed of driven components. In hydraulic drive systems, fluid couplings act as a torque converter, providing a smooth and gradual transfer of power between the input and output shafts.

The basic principle of a fluid coupling remains the same whether it is used in a mechanical drive system or a hydraulic drive system. The fluid coupling consists of an input impeller connected to the prime mover (such as an electric motor or an engine) and an output runner connected to the driven component.

When the prime mover is activated, it drives the input impeller, creating a flow of hydraulic fluid within the coupling. This fluid flow creates a hydrodynamic torque that is transferred to the output runner, driving the connected component. The fluid coupling allows for a controlled slip between the input and output, allowing the driven component to start smoothly and gradually reach its desired speed.

In hydraulic drive systems, fluid couplings offer several advantages:

• Smooth Torque Transmission: Fluid couplings provide smooth torque transmission, reducing shocks and vibrations in the system.
• Overload Protection: Fluid couplings can protect the drive system from overloads by allowing some slip in the event of sudden changes in load or jamming of the driven component.
• Speed Control: By controlling the flow of hydraulic fluid, the speed of the driven component can be precisely regulated.
• Energy Efficiency: Fluid couplings can help improve energy efficiency by reducing mechanical losses and optimizing power transmission.

Hydraulic drive systems with fluid couplings are commonly used in various industrial applications, including conveyor systems, mining equipment, marine propulsion, and more. They offer reliable and efficient power transmission while protecting the machinery from excessive loads and shocks.

It’s essential to consider the specific requirements of the hydraulic drive system and the characteristics of the fluid coupling to ensure optimal performance and efficiency in the application.

Selecting the Right Size of Fluid Coupling for Your Application

To ensure optimal performance and efficiency, it’s essential to choose the right size of fluid coupling for a specific application. Here are the key steps in the selection process:

1. Identify the Application Requirements: Understand the torque and power requirements of your application. Determine the maximum torque and power that the fluid coupling needs to transmit to meet the operational demands of the machinery or equipment.
2. Check the Speed Range: Consider the speed range of your application. Ensure that the fluid coupling can operate effectively within the desired speed range, providing adequate torque transfer across the entire speed spectrum.
3. Consider the Fluid Coupling Type: Choose the appropriate type of fluid coupling based on the specific needs of your application. Hydrodynamic fluid couplings are suitable for applications requiring smooth and gradual torque transmission, while constant-fill fluid couplings are more suitable for applications where some slip is acceptable.
4. Calculate the Service Factor: Determine the service factor, which accounts for any additional loads or impacts the fluid coupling may experience during operation. Multiply the maximum torque requirement by the service factor to obtain the design torque.
5. Refer to Manufacturer Data: Consult the manufacturer’s data sheets and specifications for various fluid coupling models. Compare the design torque with the torque capacity of different fluid coupling sizes to find the most suitable match for your application.
6. Consider Safety Margins: It’s advisable to apply safety margins to ensure reliable operation. Select a fluid coupling with a torque capacity higher than the calculated design torque to account for potential variations in load or operating conditions.
7. Verify Space Constraints: Ensure that the selected fluid coupling fits within the available space in your machinery or equipment, considering any installation restrictions or dimensional limitations.

By following these steps and carefully evaluating the requirements of your specific application, you can select the right size of fluid coupling that will deliver optimal performance, efficiency, and reliability.

editor by CX 2023-09-13