Descrição do produto
Cast Iron Steel Normex Flange Shaft Flexible Nm Coupling With Rubber
Descrição do produto
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.
Parâmetros do produto
| SIZE | TORQUE | MAX SPEED rpm. |
BORE | BOSS DIA D |
OUTSIDE DIA OD |
LENGTH L |
TOLERANCE | POWER | SHAFT | WEIGHT kg |
||
| STHangZhouRD kg/m |
MAX kg/m |
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 |
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Perguntas frequentes
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 >2e 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 /* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Padrão ou não padrão: | Padrão |
|---|---|
| Furo do eixo: | Custom |
| Torque: | <10N.M |
| Exemplos: |
US$ 50/Piece
1 unidade (pedido mínimo) | Order Sample Yellow
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| Personalização: |
Disponível
| Solicitação personalizada |
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.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
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Shipping Cost:
Estimated freight per unit. |
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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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:
- Desalinhamento angular: 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.
- Desalinhamento paralelo: 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.
- Desalinhamento axial: 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.
What are the factors to consider when choosing a flexible coupling for a specific system?
Choosing the right flexible coupling for a specific system requires careful consideration of several factors. The following are the key factors that should be taken into account:
- 1. Misalignment Requirements: Assess the type and magnitude of misalignment expected in the system. Different couplings are designed to handle specific types of misalignment, such as angular, parallel, or axial misalignment. Choose a coupling that can accommodate the expected misalignment to prevent premature wear and failure.
- 2. Torque Capacity: Determine the required torque capacity of the coupling to ensure it can transmit the necessary power between the shafts. Consider both the continuous and peak torque loads that the system may experience.
- 3. Operating Speed: Take into account the rotational speed of the system. High-speed applications may require couplings that can handle the additional centrifugal forces and balance requirements.
- 4. Temperature Range: Consider the operating temperature range of the system. Select a coupling material that can withstand the temperatures encountered without losing its mechanical properties.
- 5. Environment and Conditions: Evaluate the environmental conditions where the coupling will be used, such as exposure to moisture, chemicals, dust, or corrosive substances. Choose a coupling material that is compatible with the operating environment.
- 6. Space Constraints: Assess the available space for the coupling installation. Some couplings have compact designs suitable for applications with limited space.
- 7. Installation and Maintenance: Consider the ease of installation and maintenance. Some couplings may require special tools or disassembly for maintenance, while others offer quick and simple installation.
- 8. Torsional Stiffness: Evaluate the torsional stiffness of the coupling. A balance between flexibility and stiffness is essential to prevent excessive torsional vibrations while accommodating misalignment.
- 9. Shock and Vibration Damping: For applications with high shock loads or vibration, select a coupling with excellent damping characteristics to protect the system from excessive forces.
- 10. Cost and Budget: Compare the cost of the coupling with the overall budget for the system. Consider the long-term cost implications, including maintenance and replacement expenses.
Ultimately, the choice of a flexible coupling should align with the specific requirements and operating conditions of the system. Consulting with coupling manufacturers or engineering experts can provide valuable insights to ensure the optimal selection of a coupling that enhances system performance, reliability, and efficiency.
Existem limitações ou desvantagens no uso de acoplamentos flexíveis?
Embora os acoplamentos flexíveis ofereçam inúmeras vantagens, eles também apresentam algumas limitações e desvantagens que devem ser consideradas na sua seleção para aplicações específicas. A seguir, algumas das limitações e desvantagens comuns do uso de acoplamentos flexíveis:
- Rigidez torsional: Os acoplamentos flexíveis oferecem certo grau de flexibilidade torsional, o que é vantajoso em muitas aplicações. No entanto, em sistemas que exigem alta precisão e deflexão angular mínima, a flexibilidade inerente do acoplamento pode não ser adequada. Nesses casos, um acoplamento rígido pode ser mais apropriado.
- Limitações em aplicações de alto torque: Embora alguns acoplamentos flexíveis suportem níveis de torque moderados a altos, eles podem não ser tão adequados para aplicações de torque extremamente elevado. Nesses casos, acoplamentos especializados, como acoplamentos de engrenagem, podem ser necessários para atender às altas demandas de torque.
- Limitações de temperatura: O desempenho de certos materiais de acoplamento flexíveis, especialmente elastômeros e plásticos, pode ser afetado por condições extremas de temperatura. Altas temperaturas podem levar ao desgaste prematuro e à redução da vida útil do acoplamento, enquanto baixas temperaturas podem resultar em menor flexibilidade e potencial fragilidade.
- Compatibilidade química: Certos materiais de acoplamento flexíveis podem não ser compatíveis com alguns produtos químicos ou substâncias presentes no ambiente de aplicação. A exposição a produtos químicos pode causar degradação ou corrosão do material de acoplamento, afetando seu desempenho e vida útil.
- Instalação e alinhamento: Os acoplamentos flexíveis exigem instalação e alinhamento corretos para funcionarem eficazmente. Se não forem instalados corretamente, podem persistir problemas de desalinhamento, levando ao desgaste prematuro e à redução do desempenho. O alinhamento preciso dos eixos pode ser demorado e exigir equipamentos e conhecimentos especializados.
- Custo: Em alguns casos, os acoplamentos flexíveis podem ser mais caros do que os acoplamentos rígidos devido ao seu projeto mais complexo e ao uso de materiais especializados. No entanto, a diferença de custo é frequentemente justificada pelos benefícios que oferecem em termos de compensação de desalinhamento e amortecimento de vibrações.
- Vida útil: A vida útil de um acoplamento flexível pode variar dependendo das condições de aplicação e da qualidade do acoplamento. A manutenção regular e a substituição oportuna de peças desgastadas ou danificadas são essenciais para garantir a longevidade do acoplamento e evitar falhas inesperadas.
Apesar dessas limitações, os acoplamentos flexíveis continuam sendo componentes de grande valor em uma ampla gama de aplicações, proporcionando transmissão de torque eficiente e compensando desalinhamentos. A seleção, instalação e manutenção adequadas podem ajudar a mitigar muitas das desvantagens associadas aos acoplamentos flexíveis, garantindo seu desempenho confiável e duradouro em diversos sistemas mecânicos.
editor by CX 2024-05-13
