China wholesaler Cast Iron Normex Coupling Nm Coupling nm couplimg

Product Description

Cast Iron Normex Coupling NM Coupling

Product Name GE / GR Flexible Shaft Coupling 
Material Steel ( stainless steel , alumimun also available ) 
Elastomer Material  Rubber (TPU)
Structure  2 shaft ( 1 / 1a / 1b )+ flexible spider
Bore size  0~40mm
Weight  About 3.3kg / pcs
packing plastic bag +paper box +wooden box +wooden pallet

 

 


Main Products:

1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate; 

2. Forging, Casting, Stampling Part; 

3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;  

4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.; 

5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling, 
    Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;  

6. Shaft Collars: including Setscrew Type, Single Split and Double Splits; 

7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.

8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.

Packaging & Shipping:

All the products can be packed in cartons,or,you can choose the pallet packing.

MADE IN CHINA can be pressed on wooden cases.Land,air,sea transportation are available.UPS,DHL,TNT,

FedEx and EMS are all supported.

Company Introduction:

Factory View:

Exhibition:

FAQ:

1. MOQ

 A: Generally, 1 pc for standard parts; contact for nonstandard parts.

2. Delivery Time

 A: In stock: within 5 working days. Out of stock: depends on your order quantity.

3. How To Select

 A: part number or drawing, catalogue. If no, you can send us your sample, so we can make the drawing and sample accordingly.

4: What is the Warranty for your products?

 A:Normally our warranty is 1 year.

 

Contacts:

 

 

 

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Standard Or Nonstandard: Standard
Shaft Hole: 19-32
Torque: >80N.M
Bore Diameter: 19mm
Speed: 4000r/M
Structure: Metal Bellows
Samples:
US$ 0.1/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

|

Customized Request

China wholesaler Cast Iron Normex Coupling Nm Coupling  nm couplimg

nm coupling

Can flexible couplings accommodate high torque and high-speed applications?

Yes, flexible couplings can accommodate both high torque and high-speed applications, but the suitability depends on the specific design and material of the flexible coupling. Different types of flexible couplings have varying torque and speed capacities, and it’s crucial to select the right type of coupling based on the application requirements.

High Torque Applications:

Some flexible couplings, such as gear couplings and disc couplings, are designed to handle high torque levels. Gear couplings consist of toothed hubs that mesh with each other, providing a robust and efficient torque transmission. They are commonly used in heavy-duty industrial applications, such as steel mills, mining equipment, and power generation plants, where high torque loads are prevalent.

Disc couplings are also suitable for high torque applications. They use a series of flexible metal discs that can handle significant torque while compensating for misalignment. Disc couplings are often used in high-speed machinery and critical applications where precise torque transmission is essential.

High-Speed Applications:

Flexible couplings can also be used in high-speed applications. For instance, certain disc couplings, elastomeric couplings, and grid couplings are capable of handling high rotational speeds. These couplings have low inertia, which means they can respond quickly to changes in speed and provide efficient power transmission at high RPMs.

Elastomeric couplings, such as jaw couplings and tire couplings, are commonly used in various industrial applications, including pumps, compressors, and fans, where both torque and speed requirements are high. They offer good flexibility and damping properties, making them suitable for applications with high-speed variations and vibrations.

Considerations:

When selecting a flexible coupling for high torque and high-speed applications, several factors should be considered:

  • The torque and speed ratings provided by the coupling manufacturer should be checked to ensure they meet or exceed the application’s requirements.
  • The design and materials of the coupling should be suitable for the specific operating conditions, including temperature, environment, and potential exposure to corrosive substances.
  • Proper alignment and installation of the coupling are critical to ensure optimal performance and prevent premature wear.
  • In some cases, it may be necessary to use additional components, such as torque limiters or speed reducers, to protect the coupling and the connected equipment from excessive loads or speed fluctuations.

In conclusion, flexible couplings can indeed accommodate high torque and high-speed applications, but the appropriate coupling type and proper selection are essential to ensure reliable and efficient performance in these demanding conditions.

nm coupling

What role does a flexible coupling play in reducing downtime and maintenance costs?

A flexible coupling plays a significant role in reducing downtime and maintenance costs in industrial machinery and rotating equipment. Here are the key ways in which flexible couplings contribute to these benefits:

  • Misalignment Compensation: One of the primary functions of a flexible coupling is to accommodate misalignment between two connected shafts. Misalignment can occur due to various factors such as thermal expansion, foundation settling, or manufacturing tolerances. By allowing for misalignment, flexible couplings reduce the transmission of harmful forces and stresses to connected components, minimizing wear and preventing premature failures that could lead to costly downtime and repairs.
  • Vibration Damping: Flexible couplings have inherent damping properties due to the elastomeric or flexible elements they incorporate. These elements absorb and dissipate vibration and shock loads that may arise from the operation of rotating machinery. By dampening vibrations, flexible couplings protect the connected equipment from excessive wear and fatigue, extending their service life and reducing the need for frequent maintenance or replacement.
  • Shock Load Absorption: In applications where sudden loads or shocks are common, such as in heavy machinery or high-speed equipment, flexible couplings act as shock absorbers. They can absorb and dissipate the impact energy, preventing damage to the machinery and minimizing downtime caused by unexpected failures or breakdowns.
  • Easy Installation and Alignment: Flexible couplings are designed for ease of installation and alignment. Unlike rigid couplings that require precise shaft alignment, flexible couplings can tolerate some degree of misalignment during installation. This feature simplifies the setup process, reduces installation time, and lowers the risk of misalignment-related issues, ultimately minimizing downtime during initial installation or replacement of couplings.
  • Reduced Maintenance Frequency: The ability of flexible couplings to handle misalignment and dampen vibrations results in reduced wear on bearings, seals, and other connected components. Consequently, the frequency of maintenance intervals can be extended, reducing the need for frequent inspections and component replacements. This directly translates to lower maintenance costs and less downtime for maintenance tasks.
  • Equipment Protection: By reducing the transmission of shock loads and vibrations, flexible couplings act as protective barriers for connected equipment. They help prevent catastrophic failures and subsequent damage to expensive machinery, avoiding unplanned shutdowns and costly repairs.

Overall, flexible couplings are critical components that improve the reliability and longevity of rotating equipment. Their ability to handle misalignment, dampen vibrations, and protect against shock loads contributes to reduced downtime, lower maintenance costs, and increased productivity in industrial applications.

nm coupling

Can flexible couplings handle misalignment between shafts?

Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.

Flexible couplings offer the ability to compensate for different types of misalignment, including:

  • Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
  • Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
  • Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.

The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.

It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.

In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.

China wholesaler Cast Iron Normex Coupling Nm Coupling  nm couplimgChina wholesaler Cast Iron Normex Coupling Nm Coupling  nm couplimg
editor by CX 2024-02-06