Descrizione del prodotto
Mighty High Performance Nm Series Flexible Spider Coupling Nm168 Nm194 Rubber Jaw Couplings
Features
1. Material: Cast iron, Rubber.
2. OEM and ODM are available
3. High efficient in transmission
4. Finishing: Painted.
5. High quality with competitive price
6. Different models suitable for your different demands
7. Stock for different bore size on both sides available.
8. Application in wide range of environment.
9. Quick and easy mounting and disassembly.
10. Resistant to oil and electrical insulation.
11. Identical clockwise and anticlockwise rotational characteristics.
12. Small dimension, low weight, high transmitted torque.
13. It has good performance on compensating the misalignment.
14.Coupling Type :NM50,NM67, NM82, NM97, NM12, NM128, NM148,NM168, NM194, NM214
Applicazioni
NM couplings are offered in the industry’s largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. Applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.
Availability
Standard coupling
OEM coupling
High Performance
Strong Ultimate tensile strength
Perfect surface treatment
Durable,Flexible
High Quality
Corrosion resistance
Durable, Robust and Reliable
Bad condition resistance
Lower weight–high speed
Pacchetto
Plastic bag+ Neutral Box+ Plywood CaseI nostri vantaggi
NM coupling extensively used in compressors, diesel engine drives, pumps, conveyors, and many other drive units.
NM coupling consists of 2 hubs and flexible ring able to compensate all type of shaft misalignments.The flexible rings are made of Nitile rubber(NBR) which have a high internal damping characteristic which enable to absorb and dampen torsional vibrations,operate effectively in temperature range of -40~+100.
Size avalible from: 50,67,82,97,112,128,148,168,194,214,240,265.
NM coupling characteristics:Quiet and smooth operation.Easy installation and maintenance free. Available to machine with high torque and intermittent operation.
| Packing&Shipping | |
| Pacchetto | 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 |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
About MIGHTY
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 production.
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.
FAQ
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
D: Quali sono le vostre condizioni di pagamento?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.
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| Standard o non standard: | Standard |
|---|---|
| Foro dell'albero: | 19-32 |
| Coppia: | >80 N.M. |
| Diametro del foro: | 19mm |
| Velocità: | 4000 giri/minuto |
| Type: | Rigid Coupling |
| Esempi: |
US$ 0.1/Piece
1 pezzo (ordine minimo) | |
|---|
| Personalizzazione: |
Disponibile
| Richiesta personalizzata |
|---|
In che modo un giunto flessibile protegge le apparecchiature collegate da urti e vibrazioni?
I giunti flessibili svolgono un ruolo cruciale nella protezione delle apparecchiature collegate da urti e vibrazioni, fornendo capacità di smorzamento e isolamento. Quando macchine o sistemi meccanici subiscono improvvisi urti o vibrazioni, il giunto flessibile agisce da ammortizzatore, assorbendo e dissipando l'impatto, riducendo così le forze trasmesse e proteggendo le apparecchiature. Ecco come i giunti flessibili raggiungono questo obiettivo:
- Smorzamento delle vibrazioni: I giunti flessibili sono spesso realizzati con materiali che presentano proprietà di smorzamento. Quando le vibrazioni vengono trasmesse attraverso gli alberi, il materiale del giunto flessibile può assorbire una parte dell'energia vibrazionale, convertendola in calore. Questa dissipazione di energia contribuisce a ridurre l'ampiezza delle vibrazioni e impedisce che si propaghino ulteriormente alle apparecchiature collegate.
- Isolamento dalle vibrazioni: Oltre a smorzare le vibrazioni, i giunti flessibili offrono anche un certo grado di isolamento dalle vibrazioni. Sono progettati per disaccoppiare i due alberi, il che significa che le vibrazioni che si verificano su un albero non vengono trasmesse direttamente all'altro. Questo effetto di isolamento impedisce alle vibrazioni di propagarsi attraverso l'intero sistema e riduce al minimo l'impatto su apparecchiature sensibili o componenti vicini.
- Assorbimento degli urti: Quando i macchinari collegati subiscono improvvisi carichi d'urto, ad esempio durante l'avviamento o brusche variazioni di carico, il giunto flessibile può fungere da ammortizzatore. La sua progettazione gli consente di deformarsi leggermente sotto l'impatto, assorbendo e distribuendo l'energia dello shock. Ciò impedisce che l'urto venga trasferito direttamente alle apparecchiature collegate, riducendo il rischio di danni o usura precoce.
- Compensazione del disallineamento: I giunti flessibili sono in grado di compensare i disallineamenti tra gli alberi. Il disallineamento può causare sollecitazioni e vibrazioni aggiuntive nel sistema. Consentendo un certo grado di disallineamento angolare, parallelo e assiale, il giunto flessibile riduce le forze trasmesse alle apparecchiature collegate e alle strutture di supporto.
- Riduzione degli effetti di risonanza: La risonanza è un fenomeno che si verifica quando la frequenza naturale di un sistema corrisponde alla frequenza delle vibrazioni esterne, con conseguente amplificazione delle stesse. I giunti flessibili possono contribuire a evitare gli effetti di risonanza modificando la frequenza naturale del sistema e fornendo un certo grado di flessibilità che smorza la risposta di risonanza.
Integrando un giunto flessibile nel sistema di trasmissione o di azionamento, i produttori e gli operatori di macchinari possono migliorare significativamente l'affidabilità e la durata delle macchine collegate. La capacità del giunto di smorzare le vibrazioni, isolare gli urti e compensare i disallineamenti contribuisce a un funzionamento più fluido e stabile, riducendo le esigenze di manutenzione e migliorando le prestazioni complessive del sistema.
In sintesi, i giunti flessibili agiscono come elementi di protezione, schermando le apparecchiature collegate da carichi d'urto e vibrazioni. La loro capacità di smorzare le vibrazioni, isolare gli urti e compensare i disallineamenti contribuisce a un funzionamento più fluido e affidabile di diversi sistemi meccanici.
Can flexible couplings be used in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
High-Temperature Applications:
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Low-Temperature Applications:
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturer Guidelines:
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Applications:
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
Can you explain the different types of flexible coupling designs available?
There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:
- Giunti a ganasce: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
- Giunti a disco: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
- Giunti a ingranaggi: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
- Giunti per travi: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
- Giunti a soffietto: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
- Giunti Oldham: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.
Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.
editor by CX 2024-04-24
