Produktbeskrivning
Cast Iron Steel Normex Flange Shaft Flexible Nm Coupling With Rubber
Produktbeskrivning
1. Applies to flexibly drive shaft, allowing a more significant axial radial displacement and displacement.
2. It Has a simple structure and easy maintenance.
3. Disassembly is easy.
4. low noise.
5. Transmission efficiency loss, long useful working life.
Produktparametrar
| SIZE | TORQUE | MAX SPEED rpm. |
BORE | BOSS DIA D |
OUTSIDE DIA OD |
LENGTH L |
TOLERANCE | POWER | SHAFT | WEIGHT kg |
||
| STHangZhouRD kg/m² |
MAX kg/m² |
MIN | MAX | |||||||||
| NM-50 | 1.3 | 2.3 | 13500 | 1 | 19 | 33 | 50 | 25 | 2.0±0.5 | – | – | 0.48 |
| NM-67 | 2.2 | 4 | 10000 | g | 28 | 46 | 67 | 30 | 2.5±0.5 | 1HP | 8-28 | 1.02 |
| NM-82 | 5 | g | 8000 | 10 | 32 | 53 | 82 | 40 | 3.0±1.0 | 2-3HP | 10-32 | 1.88 |
| NM- 97 | 10.5 | 19 | 7000 | 12 | 42 | 69 | 97 | 50 | 3.0±1.0 | 5-7.5HP | 12-42 | 3.54 |
| NM-112 | 16.7 | 30 | 6000 | 14 | 48 | 79 | 112 | 60 | 3.5±1.0 | 10-20HP | 14-48 | 5.4 |
| NM-128 | 26.7 | 48 | 5000 | 1B | 5 | go | 128 | 70 | 3.5±1.0 | 30HP | 18-55 | 8.1 |
| NM-148 | 41.7 | 75 | 4500 | 22 | 65 | 107 | 148 | 8o | 3.5±1.0 | 40HP | 22-65 | 13.5 |
| NM-168 | 69.5 | 125 | 4000 | 28 | 75 | 126 | 168 | 9o | 3.5±1.5 | 60HP | 28-75 | 19.3 |
Relaterade produkter
Företagsprofil
Vanliga frågor
Q: Can you make the coupling with customization?
A: Yes, we can customize per your request.
Q: Do you provide samples?
A: Yes. The sample is available for testing.
Q: What is your MOQ?
A: It is 10pcs for the beginning of our business.
Q: What’s your lead time?
A: Standard products need 5-30days, a bit longer for customized products.
Q: Do you provide technical support?
A: Yes. Our company has a design and development team, and we can provide technical support if you
need.
Q: How to ship to us?
A: It is available by air, sea, or by train.
Q: How to pay the money?
A: T/T and L/C are preferred, with different currencies, including USD, EUR, RMB, etc.
Q: How can I know if the product is suitable for me?
A: >1ST confirm drawing and specification >2nd test sample >3rd start mass production.
Q: Can I come to your company to visit?
A: Yes, you are welcome to visit us at any time.
Q: How shall we contact you?
A: You can send an inquiry directly, and we will respond within 24 hours
| Standard eller icke-standard: | Standard |
|---|---|
| Axelhål: | Custom |
| Vridmoment: | <10N.M |
| Prover: |
US$ 50/Piece
1 styck (minsta beställning) | Beställ prov Yellow
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| Anpassning: |
Tillgänglig
| Anpassad förfrågan |
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Fraktkostnad:
Beräknad frakt per enhet. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Can flexible couplings be used in both horizontal and vertical shaft arrangements?
Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.
Horizontal Shaft Arrangements:
In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.
Vertical Shaft Arrangements:
In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.
Considerations for Vertical Shaft Arrangements:
When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:
- Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
- Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
- Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.
Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.
Hur påverkar en flexibel koppling buller- och vibrationsnivåerna i ett mekaniskt system?
En flexibel koppling spelar en avgörande roll för att kontrollera buller- och vibrationsnivåer i ett mekaniskt system. Den kan avsevärt påverka systemets övergripande jämnhet och tysthet, vilket bidrar till förbättrad prestanda och minskat slitage på anslutna komponenter.
Brusreducering:
Flexibla kopplingar hjälper till att minska buller i ett mekaniskt system genom sin inneboende förmåga att dämpa vibrationer. När axlarna i roterande maskiner inte är perfekt uppradade kan det leda till vibrationer som överförs genom hela systemet, vilket resulterar i bullergenerering. Det elastomera eller flexibla elementet i kopplingen fungerar som en vibrationsdämpare, som absorberar och avleder dessa vibrationer. Som ett resultat minskas bullernivåerna i systemet, vilket skapar en tystare driftsmiljö.
Vibrationsdämpning:
Vibrationer i ett mekaniskt system kan leda till ökat slitage på kritiska komponenter, såsom lager, tätningar och kugghjul. Överdrivna vibrationer kan också orsaka resonans och skador på systemet med tiden. Flexibla kopplingar kan effektivt dämpa vibrationer genom att fungera som en buffert mellan driv- och drivaxlarna. Det flexibla elementet absorberar stötar och vibrationer och förhindrar att de sprider sig till andra delar av systemet. Denna vibrationsdämpande förmåga minskar inte bara buller utan skyddar också systemet från potentiella mekaniska fel, vilket förlänger utrustningens livslängd.
Justeringskompensation:
Feljustering mellan axlar är en vanlig orsak till vibrationer och buller i roterande maskiner. Flexibla kopplingar är utmärkta för att kompensera för både vinkel- och parallellfeljustering. Genom att hantera feljustering minskar kopplingen krafterna som verkar på axlarna och minimerar genereringen av vibrationer och buller. Korrekt uppriktning genom användning av en flexibel koppling säkerställer att systemet fungerar smidigt och tyst.
Effekt på utrustningens tillförlitlighet:
Att minska buller- och vibrationsnivåerna har en positiv inverkan på tillförlitligheten hos ansluten utrustning. Lägre vibrationer innebär mindre belastning på lager och andra roterande komponenter, vilket leder till förlängd komponenternas livslängd och minskade underhållsbehov. En tystare driftsmiljö kan också vara avgörande för vissa tillämpningar, till exempel i laboratorier eller precisionstillverkningsprocesser, där överdrivet buller kan störa känsliga uppgifter eller mätningar.
Användningsområden:
Flexibla kopplingar används inom en mängd olika industrier, såsom tillverkning, kraftproduktion, materialhantering, fordonsindustrin, flyg- och rymdindustrin och robotteknik. De används ofta i pumpar, kompressorer, fläktar, transportband och andra roterande maskiner där ljud- och vibrationskontroll är avgörande för smidig och tillförlitlig drift.
Sammanfattning:
En flexibel kopplings förmåga att minska buller och dämpa vibrationer gör den till en viktig komponent i mekaniska system. Genom att kompensera för feljustering och ge vibrationsdämpande egenskaper förbättrar den flexibla kopplingen systemets totala prestanda, minskar bullernivåerna och skyddar ansluten utrustning från överdrivet slitage och mekaniska fel. Att välja rätt typ av flexibel koppling baserat på de specifika applikationskraven kan ha en betydande inverkan på bullerreducering och vibrationskontroll i det mekaniska systemet.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2023-10-16
