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.

Fluid Couplings in Pumps and Compressors

Yes, fluid couplings can be effectively used in pumps and compressors to optimize their operation and improve overall efficiency. Here’s how fluid couplings are beneficial in these applications:

1. Smooth Starting: Fluid couplings provide a soft-start capability, which is particularly advantageous for pumps and compressors. During startup, the fluid coupling allows the pump or compressor to gradually reach the desired operating speed, reducing mechanical stress on the equipment and preventing sudden torque spikes.

2. Overload Protection: Pumps and compressors may experience sudden changes in load due to variations in fluid demand or system pressure. A fluid coupling acts as a torque limiter and protects the connected equipment from damage during such overload conditions. It slips and absorbs excess torque, preventing mechanical failures and downtime.

3. Torque Control: Fluid couplings enable precise control over the torque transmitted to the pump or compressor. This feature allows operators to adjust the output speed and torque to match the specific requirements of the application, ensuring optimal performance and energy efficiency.

4. Vibration Damping: The inherent damping properties of fluid couplings help in reducing vibrations in pump and compressor systems. This not only extends the life of the mechanical components but also enhances the reliability of the entire system.

5. Energy Efficiency: By eliminating the need for direct mechanical connections and providing smooth acceleration, fluid couplings contribute to energy savings in pumps and compressors. The reduction in shock loads and vibrations leads to lower energy consumption and improved overall efficiency.

6. Heat Dissipation: Continuous operations in pumps and compressors can generate heat, potentially affecting the equipment’s performance. Fluid couplings have the ability to absorb and dissipate heat, maintaining proper operating temperatures and ensuring consistent performance.

7. System Protection: In addition to overload protection, fluid couplings also protect pumps and compressors from torque fluctuations, which can occur during transient conditions. This protection prevents mechanical damage and enhances the longevity of the equipment.

Overall, fluid couplings offer several advantages in pump and compressor applications, including smooth starting, overload protection, torque control, vibration damping, energy efficiency, heat dissipation, and system protection. These benefits make fluid couplings a valuable component in optimizing the performance and reliability of pumps and compressors in various industrial settings.

Comparison: Fluid Coupling vs. Torque Converter

Fluid couplings and torque converters are both hydrodynamic devices used in automotive and industrial applications to transmit power between an engine and a driven load. While they share some similarities, they also have distinct differences:

• Function: The primary function of both fluid couplings and torque converters is to transmit rotational power from the engine to the transmission or driven load. They allow for smooth power transmission and provide a degree of isolation between the engine and the load.
• Construction: Both devices consist of an impeller, a turbine, and a housing filled with hydraulic fluid (usually oil). The impeller is connected to the engine’s crankshaft, the turbine to the transmission/input shaft, and the housing is shared between the two.
• Torque Transmission: In a fluid coupling, the power is transmitted purely through hydrodynamic principles. The impeller accelerates the fluid, which then drives the turbine. However, there is no torque multiplication, and the output speed is always slightly less than the input speed. On the other hand, a torque converter can provide torque multiplication due to its stator, which redirects the fluid flow and increases the torque transmitted to the turbine.
• Lock-up Clutch: Some torque converters have a lock-up clutch that can mechanically connect the impeller and the turbine at higher speeds. This effectively eliminates the slip between the two elements and increases overall efficiency, similar to the operation of a fluid coupling at higher speeds.
• Automotive Use: Torque converters are commonly used in automatic transmissions in vehicles, while fluid couplings were more prevalent in older manual transmissions. However, modern manual transmissions generally use clutch systems instead of fluid couplings.
• Efficiency: Fluid couplings are generally more efficient than torque converters, especially at higher speeds. Torque converters can experience efficiency losses due to fluid slippage and the operation of the stator.
• Applications: Fluid couplings find applications in various industrial machinery, such as conveyors, pumps, and crushers, where the priority is smooth power transmission and overload protection. Torque converters are primarily used in vehicles, offering the benefit of automatic gear shifting and torque multiplication during acceleration.

Overall, both fluid couplings and torque converters play essential roles in power transmission, but their specific design and application characteristics determine their suitability for different use cases.

editor by CX 2023-08-11