China Good quality Chinese Manafacturer Flexible Cast Iron Nm Coupling with Rubber Element Water Pump Shaft Coupling Nm112 128 148 168 nm couplimg

Product Description

Product Description

Chinese Manafacturer Flexible cast iron NM coupling with Rubber Element water pump Shaft coupling NM 194 214

NM type is precisely produced by a special designed synthetic rubber with 2 similar bodies of cast iron. Cast iron flanges: Designed not only for the power transmission but also for protection of flexible rubber.Flexible rubber Application: pumps, fans, coupressors, vehicles, transporting equipments, constructors, cement mixers, tractors, transmission machines, metal working machines, rollers and all other trasmissions.Made of rubber and steel corres are inserted in the teeth so as to provide excellent durability and performance of coupling.

Use:

Mainly used in the mining, metallurgical, cement, chemicals,construction, buiding materials,

electric power, telecommunictions, textiles, and transportation departments.

Such as:

1. conveyor:Belt conveyor,AFC conveyor, chain conveyor, screw conveyor.

2. Pum:Water pump, oil pump, slush pump, etc.

3.Fan: Draft fan, fanner, boil fan, etc.

4. Excator:bucket excavator bucket, wheel excavators .

5. Crane:Tower crane, gantry crande, bridge crane.

6.Others:Various elevators, coal plough, ball mill, crusher, recreation machine.

7.Blender equipment, centrifuger, washer, leather-making machine, machine for recreation 

   park mixer wire drawing machine.Extruder, dregs crusher of boiler.

8.Plastic feeder, rubber smelling machine, etc.

Detailed Photos

Product Parameters

Model Torque Max. Bore Diam Boss Diam Outsid Diam Length Space&Perm Weight
Nomal Max Speed Min Max D OD L Tolerance (kg)
Kg-m Kg-m (RPM)
NM50 1.3 2.3 12500 7 19 33 50 25 2.0±0.5 0.48
NM67 2.2 4 10000 8 28 46 67 30 2.5±0.5 1.02
NM82 5 9 8000 10 32 53 82 40 3.0±1.0 1.88
NM97 10.5 19 7000 10 42 69 97 50 3.0±1.0 3.54
NM112 16.7 30 6000 14 48 79 112 60 3.5±1.0 5.4
NM128 26.7 48 5000 18 55 90 128 70 3.5±1.0 8.1
NM148 41.7 75 4500 22 65 107 148 80 3.5±1.0 13.5
NM168 69.5 125 4000 28 75 124 168 88 3.5±1.5 19.3
NM194 112 200 3500 32 85 140 198 100 3.5±1.5 26.3
NM214 167 300 3000 40 95 158 218 112 4.0±2.0 35.7

Certifications

Packaging & Shipping

Package:  Standard suitable package / Pallet or container
                  Polybag inside export carton outside, blister and Tape and reel package available.

                  If customers have specific requirements for the packaging, we will gladly accommodate 

Shipping:  10-20 working days ofter payment receipt comfirmed (based on actual quantity)  Packing standard export packing or according to customers demand Professional goods shipping forwarder

 

Company Profile

ZheJiang Mighty Machinery Co., Ltd. specializes in manufacturing Mechanical Power Transmission Products.
We Mighty is the division/branch of SCMC Group, which is a wholly state-owned company, established in 1980.
About Mighty:
-3 manufacturing factories, we have 5 technical staff, our FTY have strong capacity for design and process design, and more than 70 workers and double shift eveyday.
-Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in time.
-Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
-14 years of machining experience. Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export. MIGHTY's products are mainly exported to Europe, America and the Middle East market. With the top-ranking management, professional technical support and abundant export experience, MIGHTY has established lasting and stable business partnership with many world famous companies and has got good reputation from CHINAMFG customers in international sales.

Our Advantages

1,More competitive prices,
2,Shorter delivery date: 35 days.
3,We are the professional manufacturer in the field of Power Trans.Parts,specially for Timing Pulleys.
4,Produce standard and non-standard
5,Strict QC Management:ISO9001:2008,our engineer,Mr.Wang has specialized in the prodcution for over 20 years.

FAQ

Q: Are you trading company or manufacturer ?

A: We are factory, also do trading company business. Because our company do export 36years, having our own factories, also cooperated with other many factories.

 

Q:What's the MOQ?

A:We have not a clear limit,1 or 2pcs is available.

 

Q: How long is your delivery time?

A: 3-5 days via DHL, TNT, UPS, FEDEX. 

Diffirent based on the diffirent countries of customers via CHINAMFG shipping.

 

Q: Do you provide samples ? is it free or extra ?

A:yes,we provide free samples for checking the build quality and real performance of our products,the freight need to be covered by customer.

 

Q: What is your terms of payment ?

A: T/T, Paypal, L/C, D/P, D/A, Western Union, etc., all decided by customer's requirements.

 

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Standard Or Nonstandard: Standard
Structure: Flexible
Material: Cast Iron
Type: Flexible Coupling
Surface Treatment: Phosphating
Name: Nm Shaft Coupling
Samples:
US$ 18.6/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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Customized Request

China Good quality Chinese Manafacturer Flexible Cast Iron Nm Coupling with Rubber Element Water Pump Shaft Coupling Nm112 128 148 168  nm couplimg

nm coupling

How does a flexible coupling handle angular, parallel, and axial misalignment?

A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here's how a flexible coupling handles each type of misalignment:

  • Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the "spider" or "jaw" element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
  • Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
  • Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.

By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:

  • They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
  • They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
  • They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system's operational life.
  • They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.

Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.

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

What materials are commonly used in manufacturing flexible couplings?

Flexible couplings are manufactured using a variety of materials, each offering different properties and characteristics suited for specific applications. The choice of material depends on factors such as the application's requirements, environmental conditions, torque capacity, and desired flexibility. Here are some of the commonly used materials in manufacturing flexible couplings:

  • Steel: Steel is a widely used material in flexible couplings due to its strength, durability, and excellent torque transmission capabilities. Steel couplings are suitable for heavy-duty industrial applications with high torque requirements and harsh operating conditions.
  • Stainless Steel: Stainless steel is often used to manufacture flexible couplings in environments with high corrosion potential. Stainless steel couplings offer excellent resistance to rust and other corrosive elements, making them ideal for marine, food processing, and chemical industry applications.
  • Aluminum: Aluminum couplings are lightweight, have low inertia, and provide excellent balance. They are commonly used in applications where reducing weight is critical, such as aerospace and robotics.
  • Brass: Brass couplings are known for their electrical conductivity and are used in applications where electrical grounding or electrical isolation is required, such as in certain industrial machinery or electronics equipment.
  • Cast Iron: Cast iron couplings offer good strength and durability and are often used in industrial applications where resistance to shock loads and vibrations is necessary.
  • Plastic/Polymer: Some flexible couplings use high-performance polymers or plastics, such as polyurethane or nylon. These materials provide good flexibility, low friction, and resistance to chemicals. Plastic couplings are suitable for applications where corrosion resistance and lightweight are essential.
  • Elastomers: Elastomers are used as the flexible elements in many flexible couplings. Materials like natural rubber, neoprene, or urethane are commonly used as elastomer spider elements, providing flexibility and vibration damping properties.

The selection of the coupling material depends on the specific needs of the application. For instance, high-performance and heavy-duty applications may require steel or stainless steel couplings for their robustness, while applications where weight reduction is crucial may benefit from aluminum or polymer couplings. Additionally, the choice of material is influenced by factors such as temperature range, chemical exposure, and electrical requirements in the application's operating environment.

Manufacturers typically provide material specifications for their couplings, helping users make informed decisions based on the specific demands of their applications.

China Good quality Chinese Manafacturer Flexible Cast Iron Nm Coupling with Rubber Element Water Pump Shaft Coupling Nm112 128 148 168  nm couplimgChina Good quality Chinese Manafacturer Flexible Cast Iron Nm Coupling with Rubber Element Water Pump Shaft Coupling Nm112 128 148 168  nm couplimg
editor by CX 2024-04-10