Product Description

Custom OEM Precision Alloy Steel Machining Forging hydrodynamic fluid coupling

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Over 19 years industry experience
11 years in Euro-market, been serving Top 10 companies in the Railway and gym equipments industries.
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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.

 

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 actual condition)

 

 

 

 

 

 

 

 

 

 

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., served 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 hour.
  

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Handling Overloads and Stall Conditions in Fluid Couplings

A fluid coupling is designed to handle overloads and stall conditions in power transmission systems. When an overload or stall occurs, the fluid coupling utilizes its unique operating principle to protect the drivetrain and the connected machinery:

• Slip Feature: One of the key characteristics of a fluid coupling is its ability to slip at high torque loads. When an overload situation arises, the fluid coupling allows some relative motion between the input and output sides, known as slip. This slip absorbs the excess torque and prevents it from being transferred to the driven equipment, effectively protecting it from damage.
• Fluid Circulation: During normal operation, the fluid inside the coupling circulates smoothly between the impeller and turbine, transmitting torque with minimal losses. However, when an overload or stall condition occurs, the fluid circulation may become turbulent, generating heat in the process. This heat dissipation helps in absorbing and dissipating the excess energy, preventing the transmission system from experiencing sudden stress.
• Automatic Reconnection: After an overload or stall condition, once the excess torque is dissipated through slip and heat, the fluid coupling automatically reconnects the input and output sides, resuming the power transmission. This automatic reconnection ensures that the system returns to normal operation once the overload situation is resolved.
• Sturdy Construction: Fluid couplings are designed with robust and durable materials to withstand high torque and thermal stresses during overload conditions. The strong construction ensures that the fluid coupling remains reliable and operational even after multiple overload events.

Overall, a fluid coupling’s ability to handle overloads and stall conditions makes it a reliable and essential component in various industrial applications. By providing overload protection and slip characteristics, fluid couplings help prevent costly damage to equipment, increase operational safety, and contribute to the longevity of the entire power transmission system.

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.

Disadvantages and Limitations of Fluid Couplings

While fluid couplings offer numerous advantages, they also have some disadvantages and limitations that should be considered for specific applications:

• Power Loss: Fluid couplings introduce a power loss due to the slip that occurs during power transmission. This power loss can reduce the overall efficiency of the system, especially in applications with high-speed variations.
• Torque Multiplication: Unlike torque converters, fluid couplings have limited torque multiplication capabilities. They do not provide as much torque increase at low speeds, which may be necessary for certain heavy-load applications.
• Temperature Sensitivity: Fluid couplings are sensitive to temperature changes. In extremely hot or cold conditions, the viscosity of the fluid may vary, affecting the coupling’s performance.
• Fluid Contamination: Contaminants in the fluid can adversely affect the performance and lifespan of the fluid coupling. Regular maintenance and monitoring of the fluid quality are essential to prevent potential issues.
• Speed Limitations: Fluid couplings may have speed limitations in certain applications. High-speed operations can lead to centrifugal forces that may affect the coupling’s behavior.
• Complexity in Control: In some cases, controlling the output speed of the fluid coupling can be more challenging compared to other types of couplings. This complexity may require additional control mechanisms.
• Cost: Fluid couplings can be more expensive than some mechanical couplings, such as belt and chain drives. The initial cost and ongoing maintenance expenses should be considered in the selection process.

Despite these limitations, fluid couplings remain a popular choice in many industrial applications, thanks to their smooth power transmission, overload protection, and torsional vibration damping capabilities. The decision to use a fluid coupling should be based on a thorough understanding of the specific requirements and operating conditions of the machinery or equipment.

editor by CX 2024-04-30