Descrizione del prodotto
Descrizione del prodotto
NM type shaft coupling elastic coupling
Caratteristiche del prodotto:
|
Parameters of the item |
The parameter value |
The measuring unit |
Model – OUTER diameter * Length |
The length * width * height of each package |
Gross weight per item |
|
Brand |
Transfer |
PCS |
NM-50 |
|
0.48 |
|
Country of origin |
Xihu (West Lake) Dis. Guan |
PCS |
NM-67 |
|
1.02 |
|
The largest distortion |
125kg-m |
PCS |
NM-82 |
|
1.88 |
|
materiale |
Cast iron material |
PCS |
NM-97 |
|
3.54 |
|
Adapter trunnion |
7mm-75mm |
PCS |
NM-112 |
|
5.4 |
|
Adaptor power |
Within 60 HP / 45 kw |
PCS |
NM-128 |
|
8.1 |
|
|
|
PCS |
NM-148 |
|
13.5 |
|
|
|
PCS |
NM-168 |
|
19.3 |
Parametri del prodotto
Imballaggio e spedizione
Packaging:
Plastic Bag+ Carton+Wooden case ( If you have other requirements, we can customized according to customer requirements packaging.)
Shipping :
1.Most of the standard ones are in stock which we can send in 3-10 days after inspection and package.
2. Customized products delivery time should be determined according to the number
Profilo Aziendale
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 CZPT customers in
FAQ
Q1: Are you trading company or manufacturer?
A: We are factory.
Q2:Do you provide samples? is it free or extra?
A: : Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.
Q3: How long is your delivery time?
A: Generally it is 10-15 days if the goods are in stock. or it is 7-25 days if the goods are not in stock, it is according to quantity.
Q4:How long is your warranty?
A: Our Warranty is 12 month.
Q5 :Do you have inspection procedures for coupling?
A:100% self-inspection before packing
Q6. What’s your payment?
A:1) 100% T/T. 2) 30% in advance, others before shipment. 3) L/C Q7:Can I have a visit to your factory before the order? A: Sure,welcome to visit our factory.
Pls feel free to contact me with no hesitation, welcome your inquiries any time.
| Standard o non standard: | Standard |
|---|---|
| Struttura: | Jaw / Spider |
| Materiale: | Cast Iron |
| Tipo: | Flexible |
| Warranty: | 1 Year |
| Product Name: | Normex Couplings |
| Esempi: |
US$ 0.25/Piece
1 pezzo (ordine minimo) | |
|---|
| Personalizzazione: |
Disponibile
| Richiesta personalizzata |
|---|


Are there any safety considerations when using flexible couplings in rotating machinery?
Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:
- Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
- Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
- Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
- Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
- Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
- Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
- Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
- Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.
By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.

In che modo un giunto flessibile influisce sull'affidabilità complessiva delle apparecchiature collegate?
Un giunto flessibile influisce significativamente sull'affidabilità complessiva delle apparecchiature collegate in diversi modi:
- Compensazione del disallineamento: I giunti flessibili possono compensare disallineamenti sia angolari che paralleli tra gli alberi collegati. Consentendo il disallineamento, il giunto riduce le sollecitazioni e l'usura su cuscinetti, guarnizioni e altri componenti rotanti. Questa caratteristica previene guasti prematuri di questi componenti, contribuendo a migliorare l'affidabilità e ad allungare la durata delle apparecchiature.
- Smorzamento delle vibrazioni: I giunti flessibili possiedono intrinseche proprietà di smorzamento grazie ai loro elementi elastomerici o flessibili. Questi elementi assorbono e dissipano le vibrazioni generate durante il funzionamento dei macchinari. Smorzando le vibrazioni, il giunto protegge le apparecchiature collegate da oscillazioni eccessive, riducendo l'affaticamento e prevenendo guasti meccanici. Questo migliore controllo delle vibrazioni aumenta l'affidabilità del sistema.
- Assorbimento del carico d'urto: Nelle applicazioni con variazioni di carico improvvise o carichi d'urto, come nei macchinari pesanti o nelle apparecchiature ad alta velocità, un giunto flessibile funge da ammortizzatore. È in grado di assorbire e dissipare l'energia d'impatto, proteggendo i macchinari da danni causati da carichi improvvisi. La capacità di assorbire i carichi d'urto contribuisce all'affidabilità complessiva delle apparecchiature collegate.
- Riduzione dell'usura: La flessibilità del giunto riduce al minimo le sollecitazioni e l'usura sulle apparecchiature rotanti. Consente lievi movimenti e disallineamenti, riducendo l'attrito e le sollecitazioni su cuscinetti e altri componenti critici. Questa riduzione dell'usura diminuisce la frequenza di manutenzione e sostituzione, aumentando l'affidabilità complessiva dell'apparecchiatura.
- Compensazione per dilatazione termica: Le variazioni di temperatura nei macchinari possono causare dilatazione o contrazione termica degli alberi. Un giunto flessibile può compensare questi effetti termici, garantendo che i macchinari rimangano correttamente allineati anche in presenza di fluttuazioni di temperatura. Questa compensazione previene bloccaggi e disallineamenti, favorendo prestazioni affidabili.
- Protezione contro i sovraccarichi: I giunti flessibili contribuiscono a proteggere le apparecchiature collegate da sovraccarichi e vibrazioni torsionali. Agiscono come un fusibile meccanico, disconnettendo la trasmissione in caso di sovraccarico e prevenendo così danni a macchinari costosi. Questa caratteristica di sicurezza migliora l'affidabilità complessiva e riduce il rischio di guasti catastrofici.
- Manutenzione e allineamento semplici: I giunti flessibili sono progettati per una facile installazione e allineamento. Questa caratteristica semplifica le procedure di manutenzione, facilitando l'ispezione e la sostituzione dei giunti quando necessario. Giunti correttamente allineati garantiscono migliori prestazioni e maggiore durata delle apparecchiature, migliorando l'affidabilità complessiva.
Grazie alla compensazione dei disallineamenti, allo smorzamento delle vibrazioni, all'assorbimento dei carichi d'urto, alla riduzione dell'usura e ad altre funzioni protettive, un giunto flessibile migliora significativamente l'affidabilità delle apparecchiature collegate. Prolunga la durata dei componenti critici, riduce al minimo i tempi di inattività e garantisce un funzionamento fluido ed efficiente, rendendolo un componente prezioso in diverse applicazioni industriali.

How do you select the appropriate flexible coupling for a specific application?
Choosing the right flexible coupling for a specific application requires careful consideration of various factors to ensure optimal performance, reliability, and longevity. Here are the key steps to select the appropriate flexible coupling:
- Application Requirements: Understand the specific requirements of the application, including torque and speed specifications, misalignment conditions, operating environment (e.g., temperature, humidity, and presence of corrosive substances), and space limitations.
- Torque Capacity: Determine the maximum torque that the coupling needs to transmit. Choose a flexible coupling with a torque rating that exceeds the application’s requirements to ensure a safety margin and prevent premature failure.
- Compensazione del disallineamento: Consider the type and magnitude of misalignment that the coupling needs to accommodate. Different coupling designs offer varying degrees of misalignment compensation. Select a coupling that can handle the expected misalignment in the system.
- Smorzamento delle vibrazioni: If the application involves significant vibrations, choose a flexible coupling with good damping properties to reduce vibration transmission to connected equipment and improve system stability.
- Environmental Factors: Take into account the environmental conditions in which the coupling will operate. For harsh environments, consider couplings made from corrosion-resistant materials.
- Torsional Stiffness: Depending on the application’s requirements, decide on the desired torsional stiffness of the coupling. Some applications may require high torsional stiffness for precise motion control, while others may benefit from a more flexible coupling for shock absorption.
- Cost and Life-Cycle Considerations: Evaluate the overall cost-effectiveness of the coupling over its expected life cycle. Consider factors such as initial cost, maintenance requirements, and potential downtime costs associated with coupling replacement.
- Manufacturer Recommendations: Consult coupling manufacturers and their technical specifications to ensure the selected coupling is suitable for the intended application.
- Installation and Maintenance: Ensure that the selected flexible coupling is compatible with the equipment and shaft sizes. Follow the manufacturer’s installation guidelines and recommended maintenance practices to maximize the coupling’s performance and longevity.
By following these steps and carefully evaluating the application’s requirements, you can select the most appropriate flexible coupling for your specific needs. The right coupling choice will lead to improved system performance, reduced wear on equipment, and enhanced overall reliability in various mechanical systems and rotating machinery.


editor by CX 2023-08-17