وصف المنتج
وصف المنتج
NM coupling extensively used in compressors, diesel engine drives, pumps, conveyors, and many other drive units.
NM coupling consists of 2 hubs and flexible ring able to compensate all type of shaft misalignments.The flexible rings are made of Nitile rubber(NBR) which have a high internal damping characteristic which enable to absorb and dampen torsional vibrations,operate effectively in temperature range of -40~+100.
NM coupling characteristics:Quiet and smooth operation.Easy installation and maintenance free. Available to machine with high torque and intermittent operation.
1. Material: Cast iron, Rubber.
2. OEM and ODM are available
3. High efficient in transmission
4. Finishing: Painted.
5. High quality with competitive price
6. Different models suitable for your different demands
7. Stock for different bore size on both sides available.
8. Application in wide range of environment.
9. Quick and easy mounting and disassembly.
10. Resistant to oil and electrical insulation.
11. Identical clockwise and anticlockwise rotational characteristics.
12. Small dimension, low weight, high transmitted torque.
13. It has good performance on compensating the misalignment.
14.Coupling Type :NM50,NM67, NM82, NM97, NM12, NM128, NM148,NM168, NM194, NM214
صور تفصيلية
التطبيقات
NM couplings are offered in the industry’s largest variety of stock bore/keyway combinations. These couplings require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. Applications include power transmission to industrial equipment such as pumps, gear boxes, compressors, blowers, mixers, and conveyors.
معايير المنتج
التعبئة والتغليف والشحن
| طَرد | Standard suitable package / Pallet or container. Polybag inside export carton outside, blister and Tape and reel package available. If customers have specific requirements for the packaging, we will gladly accommodate |
| شحن |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
نبذة عن الشركة
| قياسي أم غير قياسي: | معيار |
|---|---|
| فتحة العمود: | Standard or Customized |
| قطر التجويف: | Standard or Customized |
| بناء: | مرن |
| مادة: | Cast Iron |
| Type: | Elastic Coupling |
| أمثلة: |
US$ 0/Piece
قطعة واحدة (الحد الأدنى للطلب) | |
|---|
| التخصيص: |
متاح
| طلب مخصص |
|---|


كيف تتعامل وصلة مرنة مع عدم المحاذاة الزاوية والمتوازية والمحورية؟
صُممت الوصلة المرنة لاستيعاب أنواع مختلفة من عدم المحاذاة بين عمودين دوارين: عدم المحاذاة الزاوية، وعدم المحاذاة المتوازية، وعدم المحاذاة المحورية. تسمح مرونة الوصلة بالحفاظ على اتصال بين العمودين مع تعويض هذه الأنواع من عدم المحاذاة. إليك كيفية تعامل الوصلة المرنة مع كل نوع من أنواع عدم المحاذاة:
- عدم محاذاة الزاوية: يحدث عدم المحاذاة الزاوية عندما لا يكون محورا العمودين على استقامة واحدة ويشكلان زاوية مع بعضهما البعض. يمكن للوصلات المرنة معالجة عدم المحاذاة الزاوية من خلال دمج عنصر قابل للانثناء والانحناء. أحد التصاميم الشائعة هو عنصر "العنكبوت" أو "الفك"، والذي يتكون من مواد مطاطية. عندما يكون العمودان غير محاذيين، يمكن للعنصر المطاطي أن يتشوه قليلاً، مما يسمح للوصلة باستيعاب الإزاحة الزاوية بين العمودين مع الاستمرار في نقل عزم الدوران.
- عدم محاذاة متوازية: يحدث عدم المحاذاة المتوازية، والمعروف أيضًا بعدم المحاذاة غير المتوازية، عندما تكون محاور العمودين متوازية ولكنها ليست متطابقة تمامًا. يمكن للوصلات المرنة معالجة عدم المحاذاة المتوازية من خلال نفس العنصر المطاطي. تُمكّن مرونة هذا العنصر من تحريكه وتعديله وفقًا للإزاحة بين العمودين، مما يضمن استمرارية نقل الطاقة مع تقليل الإجهادات الإضافية على الآلات.
- عدم محاذاة المحور: يحدث عدم المحاذاة المحورية، أو ما يُسمى أيضًا بعدم محاذاة الحركة الطرفية، عندما يقترب عمودان من بعضهما أو يتباعدان على طول محورهما المشترك. يمكن للوصلات المرنة معالجة عدم المحاذاة المحورية من خلال تصميمات خاصة تسمح بحركة محورية محدودة. على سبيل المثال، تستخدم بعض الوصلات فتحات مشقوقة أو عنصرًا عائمًا يسمح بالإزاحة المحورية مع الحفاظ على الاتصال بين العمودين.
بفضل قدرتها على التعامل مع عدم المحاذاة الزاوية والمتوازية والمحورية، توفر الوصلات المرنة العديد من المزايا لأنظمة نقل الطاقة:
- فهي تساعد على منع التآكل المبكر وتلف المعدات المتصلة، مما يقلل من تكاليف الصيانة والاستبدال.
- فهي تقلل من الاهتزازات وأحمال الصدمات، مما يعزز سلاسة وموثوقية الآلات بشكل عام.
- فهي تقلل من خطر تعطل المعدات بسبب الإجهادات الناتجة عن عدم المحاذاة، مما يحسن العمر التشغيلي للنظام.
- فهي تتيح سهولة التركيب وضبط المحاذاة، مما يوفر الوقت والجهد أثناء الإعداد والصيانة.
بشكل عام، تلعب الوصلات المرنة دورًا حاسمًا في معالجة عدم المحاذاة وضمان نقل الطاقة بكفاءة في مختلف التطبيقات الصناعية.

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.
التطبيقات:
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.

Can flexible couplings handle misalignment between shafts?
Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.
Flexible couplings offer the ability to compensate for different types of misalignment, including:
- عدم محاذاة الزاوية: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
- عدم محاذاة متوازية: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
- عدم محاذاة المحور: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.
The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.
It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.
In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.


editor by CX 2023-09-30