Описание продукта
Описание продукта
Chinese Manafacturer Flexible cast iron NM coupling with Rubber Element water pump Shaft coupling NM 194 214
NM type is precisely produced by a special designed synthetic rubber with 2 similar bodies of cast iron. Cast iron flanges: Designed not only for the power transmission but also for protection of flexible rubber.Flexible rubber Application: pumps, fans, coupressors, vehicles, transporting equipments, constructors, cement mixers, tractors, transmission machines, metal working machines, rollers and all other trasmissions.Made of rubber and steel corres are inserted in the teeth so as to provide excellent durability and performance of coupling.
Use:
Mainly used in the mining, metallurgical, cement, chemicals,construction, buiding materials,
electric power, telecommunictions, textiles, and transportation departments.
Such as:
1. conveyor:Belt conveyor,AFC conveyor, chain conveyor, screw conveyor.
2. Pum:Water pump, oil pump, slush pump, etc.
3.Fan: Draft fan, fanner, boil fan, etc.
4. Excator:bucket excavator bucket, wheel excavators .
5. Crane:Tower crane, gantry crande, bridge crane.
6.Others:Various elevators, coal plough, ball mill, crusher, recreation machine.
7.Blender equipment, centrifuger, washer, leather-making machine, machine for recreation
park mixer wire drawing machine.Extruder, dregs crusher of boiler.
8.Plastic feeder, rubber smelling machine, etc.
Подробные фотографии
Параметры продукта
| Модель | Torque | Max. | Bore Diam | Boss Diam | Outsid Diam | Length | Space&Perm | Масса | ||
| Nomal | Max | Скорость | Min | Max | Д | ОД | Л | Tolerance | (kg) | |
| Kg-m | Kg-m | (RPM) | ||||||||
| NM50 | 1.3 | 2.3 | 12500 | 7 | 19 | 33 | 50 | 25 | 2,0±0,5 | 0.48 |
| NM67 | 2.2 | 4 | 10000 | 8 | 28 | 46 | 67 | 30 | 2,5±0,5 | 1.02 |
| NM82 | 5 | 9 | 8000 | 10 | 32 | 53 | 82 | 40 | 3,0±1,0 | 1.88 |
| NM97 | 10.5 | 19 | 7000 | 10 | 42 | 69 | 97 | 50 | 3,0±1,0 | 3.54 |
| NM112 | 16.7 | 30 | 6000 | 14 | 48 | 79 | 112 | 60 | 3,5±1,0 | 5.4 |
| NM128 | 26.7 | 48 | 5000 | 18 | 55 | 90 | 128 | 70 | 3,5±1,0 | 8.1 |
| NM148 | 41.7 | 75 | 4500 | 22 | 65 | 107 | 148 | 80 | 3,5±1,0 | 13.5 |
| NM168 | 69.5 | 125 | 4000 | 28 | 75 | 124 | 168 | 88 | 3,5±1,5 | 19.3 |
| NM194 | 112 | 200 | 3500 | 32 | 85 | 140 | 198 | 100 | 3,5±1,5 | 26.3 |
| NM214 | 167 | 300 | 3000 | 40 | 95 | 158 | 218 | 112 | 4.0±2.0 | 35.7 |
Certifications
Packaging & Shipping
Package: Standard suitable package / Pallet or container
Внутри полиэтиленовый пакет, снаружи – экспортная картонная коробка, также возможна блистерная упаковка и упаковка на ленте и катушке.
Если у клиентов есть особые требования к упаковке, мы с удовольствием их учтем.
Shipping: 10-20 working days ofter payment receipt comfirmed (based on actual quantity) Packing standard export packing or according to customers demand Professional goods shipping forwarder
Профиль компании
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 CHINAMFG customers in international sales.
Our Advantages
1,More competitive prices,
2,Shorter delivery date: 35 days.
3,We are the professional manufacturer in the field of Power Trans.Parts,specially for Timing Pulleys.
4,Produce standard and non-standard
5,Strict QC Management:ISO9001:2008,our engineer,Mr.Wang has specialized in the prodcution for over 20 years.
Часто задаваемые вопросы
Q: Are you trading company or manufacturer ?
A: We are factory, also do trading company business. Because our company do export 36years, having our own factories, also cooperated with other many factories.
Q:What’s the MOQ?
A:We have not a clear limit,1 or 2pcs is available.
В: Сколько времени занимает доставка?
A: 3-5 days via DHL, TNT, UPS, FEDEX.
Diffirent based on the diffirent countries of customers via CHINAMFG shipping.
Q: Do you provide samples ? is it free or extra ?
A:yes,we provide free samples for checking the build quality and real performance of our products,the freight need to be covered by customer.
Q: What is your terms of payment ?
A: T/T, Paypal, L/C, D/P, D/A, Western Union, etc., all decided by customer’s requirements.
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| Стандартный или нестандартный: | Стандарт |
|---|---|
| Структура: | Гибкий |
| Материал: | Чугун |
| Тип: | Flexible Coupling |
| Обработка поверхности: | Phosphating |
| Name: | Nm Shaft Coupling |
| Образцы: |
US$ 18.6/Piece
1 штука (минимальный заказ) | |
|---|
| Настройка: |
Доступный
| Индивидуальный запрос |
|---|
How does a flexible coupling protect connected equipment from shock loads and vibrations?
Flexible couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing damping and isolation capabilities. When machines or mechanical systems experience sudden shock loads or vibrations, the flexible coupling acts as a buffer, absorbing and dissipating the impact, thereby reducing the transmitted forces and protecting the equipment. Here’s how flexible couplings achieve this:
- Damping of Vibrations: Flexible couplings are often made from materials that exhibit damping properties. When vibrations are transmitted through the shafts, the flexible coupling’s material can absorb a portion of the vibrational energy, converting it into heat. This dissipation of energy helps reduce the amplitude of the vibrations and prevents them from propagating further into the connected equipment.
- Vibration Isolation: In addition to damping vibrations, flexible couplings also offer a degree of vibration isolation. They are designed to decouple the two shafts, which means that vibrations occurring on one shaft are not directly transmitted to the other shaft. This isolation effect prevents vibrations from propagating across the entire system and minimizes the impact on sensitive equipment or nearby components.
- Shock Absorption: When the connected machinery experiences sudden shock loads, such as during a startup or abrupt changes in load, the flexible coupling can act as a shock absorber. The coupling’s design allows it to deform slightly under the impact, absorbing and distributing the shock energy. This prevents the shock from being directly transferred to the connected equipment, reducing the risk of damage or premature wear.
- Компенсация несоосности: Flexible couplings are capable of compensating for misalignment between the shafts. Misalignment can lead to additional stresses and vibrations in the system. By allowing for some degree of angular, parallel, and axial misalignment, the flexible coupling reduces the forces transmitted to the connected equipment and the supporting structures.
- Reduction of Resonance Effects: Resonance is a phenomenon that occurs when the natural frequency of a system matches the frequency of external vibrations, leading to amplified vibrations. Flexible couplings can help avoid resonance effects by altering the system’s natural frequency and providing some level of flexibility that damps the resonance response.
By incorporating a flexible coupling into the drivetrain or power transmission system, equipment manufacturers and operators can significantly improve the reliability and longevity of connected machinery. The coupling’s ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more stable operation, reducing maintenance requirements and enhancing overall system performance.
In summary, flexible couplings act as protective elements, shielding connected equipment from shock loads and vibrations. Their ability to dampen vibrations, isolate shocks, and compensate for misalignment contributes to a smoother and more reliable operation of various mechanical systems.
Can flexible couplings be used for both motor-to-shaft and shaft-to-shaft connections?
Yes, flexible couplings can be used for both motor-to-shaft and shaft-to-shaft connections in various applications. The versatility of flexible couplings allows them to adapt to different types of connections and meet the specific requirements of the system.
Motor-to-Shaft Connections:
When connecting a motor to a shaft, a flexible coupling serves as an intermediary component that joins the motor shaft and the driven shaft. Flexible couplings are commonly used in motor-driven systems to accommodate misalignment between the motor and the driven load. In motor applications, flexible couplings help reduce stress and wear on the motor bearings, thus extending the motor’s life and enhancing overall system reliability. They also act as vibration dampeners, minimizing vibrations transmitted from the motor to the driven shaft, and subsequently to connected equipment, ensuring smoother operation.
Shaft-to-Shaft Connections:
In many mechanical systems, such as those in the manufacturing, automation, and power transmission industries, shaft-to-shaft connections are required. A flexible coupling can bridge the gap between two shafts and transmit torque while accommodating misalignment. This type of coupling is commonly used to connect shafts that are not perfectly aligned due to factors like manufacturing tolerances, thermal expansion, or foundation settling. By allowing for misalignment, the flexible coupling protects the connected components from excessive stresses and ensures efficient power transmission.
Versatility and Advantages:
The ability of flexible couplings to handle both motor-to-shaft and shaft-to-shaft connections makes them versatile solutions for a wide range of industrial applications. Some of the advantages of using flexible couplings in these connections include:
- Minimizing stress and wear on connected components, such as bearings and seals.
- Compensating for misalignment, ensuring smooth power transmission.
- Damping vibrations and shock loads, reducing the risk of mechanical failures.
- Protecting equipment from excessive forces, enhancing system reliability.
- Simplifying installation and alignment procedures, reducing downtime.
- Improving overall system performance and operational efficiency.
Приложения:
Flexible couplings find applications in a wide range of industries, including manufacturing, material handling, automotive, aerospace, robotics, and more. Whether connecting a motor to a shaft or joining two shafts directly, flexible couplings play a crucial role in enhancing the reliability and efficiency of rotating machinery and mechanical systems.
In conclusion, flexible couplings can effectively serve as connectors for both motor-to-shaft and shaft-to-shaft connections, providing essential misalignment compensation and protection for connected equipment in various industrial applications.
Что такое гибкая муфта и как она работает?
Гибкая муфта — это механическое устройство, используемое для соединения двух валов с возможностью их относительного перемещения. Она предназначена для передачи крутящего момента от одного вала к другому, компенсируя при этом несоосность, вибрацию и удары. Гибкие муфты являются важными компонентами в различных вращающихся механизмах и системах, поскольку они помогают защитить подключенное оборудование и повысить общую производительность.
Виды гибких муфт:
Существует несколько типов гибких муфт, каждая из которых имеет свою уникальную конструкцию и характеристики. К наиболее распространенным типам относятся:
- Супружинные муфты: Кулачковые муфты оснащены эластомерными втулками, которые устанавливаются между двумя ступицами. Они способны компенсировать угловое и параллельное смещение, одновременно гася вибрации.
- Дисковые муфты: Дисковые муфты используют тонкие металлические диски для соединения валов. Они обладают высокой гибкостью и обеспечивают превосходную компенсацию несоосности.
- Зубчатые муфты: В зубчатых муфтах для передачи крутящего момента используются зубья шестерен. Они обладают высокой крутящей способностью и способны выдерживать умеренные перекосы.
- Соединение пучков: В муфтах для балок используется цельный кусок гибкого материала, например, металлическая балка, для передачи крутящего момента с компенсацией несоосности.
- Сильфонные муфты: В муфтах с сильфонным соединением используется конструкция, подобная сильфону, позволяющая компенсировать осевое, угловое и параллельное смещение.
- Олдхэмские пары: В муфтах Олдхэма используются три диска, средний из которых имеет перпендикулярный паз для компенсации несоосности.
Как работает гибкая муфта:
Принцип работы гибкой муфты зависит от её конкретной конструкции, но общие принципы схожи. Рассмотрим пример кулачковой муфты, чтобы объяснить, как работает гибкая муфта:
- К муфтовым ступицам с обеих сторон подсоединены два вала, между которыми расположен эластомерный соединительный элемент.
- При приложении крутящего момента к одному валу происходит его сжатие и незначительная деформация крестовины, передающая крутящий момент на другой вал.
- В случае смещения валов эластомерная опора изгибается и компенсирует это смещение, обеспечивая плавную передачу крутящего момента без чрезмерных нагрузок на валы или подключенное оборудование.
- Эластомерный кулачок также выполняет функцию демпфирующего элемента, поглощая вибрации и удары во время работы, что снижает износ оборудования и повышает стабильность системы.
В целом, гибкость и способность компенсировать несоосность являются ключевыми характеристиками, позволяющими гибкой муфте эффективно функционировать. Выбор конкретного типа гибкой муфты зависит от требований конкретного применения, таких как крутящий момент, компенсация несоосности и условия окружающей среды.
Редактор: CX, 24.04.2024
