Descripción del Producto
Descripción del Producto
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.
Fotos detalladas
Parámetros del producto
| Modelo | Torque | Max. | Bore Diam | Boss Diam | Outsid Diam | Length | Space&Perm | Peso | ||
| Nomal | Max | Velocidad | Min | Max | D | sobredosis | L | Tolerancia | (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
Embalaje y envío
Package: Standard suitable package / Pallet or container
Bolsa de polietileno en el interior, caja de cartón de exportación en el exterior; también disponibles envases tipo blíster y en cinta y carrete.
Si los clientes tienen requisitos específicos para el embalaje, con gusto los atenderemos.
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
Perfil de la empresa
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.
Nuestras ventajas
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.
Preguntas frecuentes
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.
P: ¿Cuánto tarda la entrega?
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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| Estándar o no estándar: | Estándar |
|---|---|
| Estructura: | Flexible |
| Material: | Hierro fundido |
| Tipo: | Acoplamiento flexible |
| Surface Treatment: | Phosphating |
| Name: | Nm Shaft Coupling |
| Muestras: |
US$ 18.6/Piece
1 unidad (pedido mínimo) | |
|---|
| Personalización: |
Disponible
| Solicitud personalizada |
|---|
¿Cómo protege un acoplamiento flexible los equipos conectados de las cargas de impacto y las vibraciones?
Los acoplamientos flexibles desempeñan un papel crucial en la protección de los equipos conectados contra cargas de choque y vibraciones, ya que proporcionan amortiguación y aislamiento. Cuando las máquinas o los sistemas mecánicos experimentan cargas de choque o vibraciones repentinas, el acoplamiento flexible actúa como amortiguador, absorbiendo y disipando el impacto, reduciendo así las fuerzas transmitidas y protegiendo el equipo. A continuación, se explica cómo los acoplamientos flexibles logran esto:
- Amortiguación de vibraciones: Los acoplamientos flexibles suelen estar fabricados con materiales que presentan propiedades de amortiguación. Cuando las vibraciones se transmiten a través de los ejes, el material del acoplamiento flexible puede absorber parte de la energía vibracional, transformándola en calor. Esta disipación de energía ayuda a reducir la amplitud de las vibraciones e impide que se propaguen a los equipos conectados.
- Aislamiento de vibraciones: Además de amortiguar las vibraciones, los acoplamientos flexibles también ofrecen cierto grado de aislamiento. Están diseñados para desacoplar los dos ejes, lo que significa que las vibraciones que se producen en uno no se transmiten directamente al otro. Este efecto de aislamiento evita que las vibraciones se propaguen por todo el sistema y minimiza su impacto en equipos sensibles o componentes cercanos.
- Absorción de impactos: Cuando la maquinaria conectada experimenta cargas de choque repentinas, como durante el arranque o cambios bruscos de carga, el acoplamiento flexible actúa como amortiguador. Su diseño permite que se deforme ligeramente ante el impacto, absorbiendo y distribuyendo la energía del choque. Esto evita que el impacto se transmita directamente al equipo conectado, reduciendo el riesgo de daños o desgaste prematuro.
- Compensación por desalineación: Los acoplamientos flexibles son capaces de compensar la desalineación entre los ejes. Esta desalineación puede generar tensiones y vibraciones adicionales en el sistema. Al permitir cierto grado de desalineación angular, paralela y axial, el acoplamiento flexible reduce las fuerzas transmitidas a los equipos conectados y a las estructuras de soporte.
- Reducción de los efectos de resonancia: La resonancia es un fenómeno que se produce cuando la frecuencia natural de un sistema coincide con la frecuencia de vibraciones externas, lo que genera vibraciones amplificadas. Los acoplamientos flexibles pueden ayudar a evitar los efectos de resonancia al modificar la frecuencia natural del sistema y proporcionar cierto grado de flexibilidad que amortigua la respuesta resonante.
Al incorporar un acoplamiento flexible al sistema de transmisión de potencia, los fabricantes y operadores de equipos pueden mejorar significativamente la fiabilidad y la vida útil de la maquinaria conectada. La capacidad del acoplamiento para amortiguar vibraciones, aislar impactos y compensar la desalineación contribuye a un funcionamiento más suave y estable, reduciendo las necesidades de mantenimiento y mejorando el rendimiento general del sistema.
En resumen, los acoplamientos flexibles actúan como elementos de protección, aislando los equipos conectados de cargas de impacto y vibraciones. Su capacidad para amortiguar vibraciones, aislar impactos y compensar desalineaciones contribuye a un funcionamiento más suave y fiable de diversos sistemas mecánicos.
Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?
Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.
Motor-to-Shaft Connections:
When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.
Shaft-to-Shaft Connections:
In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.
Versatility and Advantages:
The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:
- Minimizing stress and wear on connected components, such as bearings and seals.
- Compensating for misalignment, ensuring smooth power transmission.
- Damping vibrations and shock loads, reducing the risk of mechanical failures.
- Protecting equipment from excessive forces, enhancing system reliability.
- Simplifying installation and alignment procedures, reducing downtime.
- Improving overall system performance and operational efficiency.
Aplicaciones:
Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.
In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.
What is a flexible coupling and how does it work?
A flexible coupling is a mechanical device used to connect two shafts while allowing for relative movement between them. It is designed to transmit torque from one shaft to another while compensating for misalignment, vibration, and shock. Flexible couplings are essential components in various rotating machinery and systems, as they help protect the connected equipment and enhance overall performance.
Types of Flexible Couplings:
There are several types of flexible couplings, each with its unique design and characteristics. Some common types include:
- Jaw Couplings: Jaw couplings feature elastomer spiders that fit between two hubs. They can accommodate angular and parallel misalignment while dampening vibrations.
- Disc Couplings: Disc couplings use thin metallic discs to connect the shafts. They are highly flexible and provide excellent misalignment compensation.
- Gear Couplings: Gear couplings use gear teeth to transmit torque. They offer high torque capacity and can handle moderate misalignment.
- Beam Couplings: Beam couplings use a single piece of flexible material, such as a metal beam, to transmit torque while compensating for misalignment.
- Bellows Couplings: Bellows couplings use a bellows-like structure to allow for axial, angular, and parallel misalignment compensation.
- Oldham Couplings: Oldham couplings use three discs, with the middle one having a perpendicular slot to allow for misalignment compensation.
How a Flexible Coupling Works:
The operation of a flexible coupling depends on its specific design, but the general principles are similar. Let’s take the example of a jaw coupling to explain how a flexible coupling works:
- Two shafts are connected to the coupling hubs on either side, with an elastomer spider placed between them.
- When torque is applied to one shaft, it causes the spider to compress and deform slightly, transmitting the torque to the other shaft.
- In case of misalignment between the shafts, the elastomer spider flexes and compensates for the misalignment, ensuring smooth torque transmission without imposing excessive loads on the shafts or connected equipment.
- The elastomer spider also acts as a damping element, absorbing vibrations and shocks during operation, which reduces wear on the equipment and enhances system stability.
Overall, the flexibility and ability to compensate for misalignment are the key features that allow a flexible coupling to function effectively. The choice of a specific flexible coupling type depends on the application’s requirements, such as torque capacity, misalignment compensation, and environmental conditions.
editor by CX 2024-04-24
