Descrição do produto
ISO DIN ASA Standard Normex Hydraulic Pump Casting Iron Motor Nm Flexible Rubber Shaft Connection Coupling
NM flexible shaft coupling is a cylindrical pin made of some non-metallic materials, which is placed between the 2 sides of the coupling and the inner surface of the outer ring, and a device to transfer the torque through the column pin to realize the connection between 2 half couplings. NM flexible shaft coupling between the slider made of bakelite cloth or polyurethane, suitable for high speed, large torque, no sharp impact of the 2 connections.
Parâmetro Product brand: EVER-POWER
Name of transmission part: water pump coupling
Product structure: it is composed of 2 cast iron claws and a natural rubber inner ring
Suitable shaft diameter: 7mm-75mm
Suitable motor power: within 60hp / 45KW
Product features:
1. The maximum torque is 125kgm 2. Stable operation and low noise 3. The product is made of cast iron and cast by precision die casting, so it is not easy to cause fracture during operation
Related products:
Production workshop:
Company information:
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| Padrão ou não padrão: | Padrão |
|---|---|
| Furo do eixo: | 19-32 |
| Torque: | >80N.M |
| Diâmetro do furo: | 19 mm |
| Velocidade: | 4000 rpm |
| Estrutura: | Flexível |
| Exemplos: |
US$ 9999/Peça
1 unidade (pedido mínimo) | |
|---|
| Personalização: |
Disponível
| Solicitação personalizada |
|---|
Como um acoplamento flexível lida com desalinhamentos angulares, paralelos e axiais?
Um acoplamento flexível é projetado para acomodar vários tipos de desalinhamento entre dois eixos rotativos: desalinhamento angular, desalinhamento paralelo e desalinhamento axial. A flexibilidade do acoplamento permite que ele mantenha a conexão entre os eixos enquanto compensa esses tipos de desalinhamento. Veja como um acoplamento flexível lida com cada tipo de desalinhamento:
- Desalinhamento angular: O desalinhamento angular ocorre quando os eixos de dois eixos não são colineares e formam um ângulo entre si. Acoplamentos flexíveis podem lidar com o desalinhamento angular incorporando um elemento que pode flexionar e dobrar. Um projeto comum é o elemento "aranha" ou "mandíbula", que consiste em materiais elastoméricos. À medida que os eixos estão desalinhados, o elemento elastomérico pode se deformar ligeiramente, permitindo que o acoplamento acomode o desalinhamento angular entre os eixos, enquanto ainda transmite o torque.
- Desalinhamento paralelo: O desalinhamento paralelo, também conhecido como desalinhamento de offset, ocorre quando os eixos de dois eixos são paralelos, mas não perfeitamente alinhados entre si. Os acoplamentos flexíveis podem lidar com o desalinhamento paralelo através do mesmo elemento elastomérico. A flexibilidade do elemento permite que ele se desloque e se ajuste ao offset entre os eixos, garantindo a transmissão contínua de potência e minimizando tensões adicionais na máquina.
- Desalinhamento axial: O desalinhamento axial, também chamado de desalinhamento de folga axial, ocorre quando os dois eixos se aproximam ou se afastam ao longo de seu eixo comum. Os acoplamentos flexíveis podem lidar com o desalinhamento axial por meio de projetos específicos que permitem um movimento axial limitado. Por exemplo, alguns acoplamentos utilizam furos oblongos ou um elemento flutuante que permite o deslocamento axial, mantendo a conexão entre os eixos.
Ao permitir o ajuste para desalinhamentos angulares, paralelos e axiais, os acoplamentos flexíveis oferecem diversas vantagens para sistemas de transmissão de energia:
- Eles ajudam a prevenir o desgaste prematuro e danos aos equipamentos conectados, reduzindo os custos de manutenção e substituição.
- Eles minimizam a vibração e os impactos, melhorando a suavidade e a confiabilidade geral da máquina.
- Eles reduzem o risco de falha do equipamento devido a tensões induzidas por desalinhamento, melhorando a vida útil do sistema.
- Elas permitem uma instalação e ajustes de alinhamento mais fáceis, economizando tempo e esforço durante a configuração e a manutenção.
De forma geral, os acoplamentos flexíveis desempenham um papel crucial no tratamento do desalinhamento e na garantia da transmissão eficiente de energia em diversas aplicações industriais.
Can flexible couplings be used in corrosive or harsh environments?
Yes, flexible couplings can be designed and selected to be used in corrosive or harsh environments. The choice of materials and coatings plays a crucial role in ensuring the coupling’s durability and performance under challenging conditions.
Corrosion-Resistant Materials:
In corrosive environments, it is essential to use materials that can withstand chemical attacks and oxidation. Stainless steel, specifically grades like 316 or 17-4 PH, is commonly chosen for flexible couplings in such situations. Stainless steel offers excellent corrosion resistance, making it suitable for applications where the coupling may come into contact with corrosive substances or moisture.
Special Coatings:
For certain harsh environments, coupling manufacturers may apply special coatings to enhance the coupling’s corrosion resistance. Examples of coatings include zinc plating, nickel plating, or epoxy coatings. These coatings provide an additional layer of protection against corrosive agents and help extend the coupling’s lifespan.
Sealed Designs:
In environments where the coupling is exposed to contaminants like dust, dirt, or moisture, sealed designs are preferred. Sealed flexible couplings prevent these substances from entering the coupling’s internal components, thus reducing the risk of corrosion and wear. The sealed design also helps to maintain the coupling’s performance over time in challenging conditions.
Aplicações em altas temperaturas:
For harsh environments with high temperatures, flexible couplings made from high-temperature resistant materials, such as certain heat-resistant stainless steels or superalloys, can be used. These materials retain their mechanical properties and corrosion resistance even at elevated temperatures.
Chemical Resistance:
For applications where the coupling might encounter chemicals or solvents, it is essential to select a coupling material that is chemically resistant. This prevents degradation and ensures the coupling’s integrity in such environments.
Specialized Designs:
In some cases, where the environment is exceptionally harsh or unique, custom-designed flexible couplings may be necessary. Engineering a coupling to meet the specific demands of the environment ensures optimal performance and reliability.
Consultation with Manufacturers:
When considering flexible couplings for corrosive or harsh environments, it is advisable to consult with coupling manufacturers or engineering experts. They can provide valuable insights and recommend suitable materials, coatings, and designs based on the specific operating conditions.
Summary:
Flexible couplings can indeed be used in corrosive or harsh environments, provided the appropriate materials, coatings, and designs are chosen. Stainless steel, sealed designs, and special coatings are some of the solutions that enhance the coupling’s corrosion resistance and performance. It is essential to consider the specific environment and application requirements when selecting a flexible coupling to ensure optimal functionality and durability in challenging conditions.
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:
- Acoplamentos de mandíbula: 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.
- Disc Couplings: 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.
- Gear Couplings: 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.
- Beam Couplings: 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.
- Bellows Couplings: 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.
- Oldham Couplings: 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 2024-05-15
