وصف المنتج
Mighty High Performance Nm Series Flexible Spider Coupling Nm168 Nm194 Rubber Jaw Couplings
سمات
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
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.
Availability
Standard coupling
OEM coupling
High Performance
Strong Ultimate tensile strength
Perfect surface treatment
Durable,Flexible
High Quality
Corrosion resistance
Durable, Robust and Reliable
Bad condition resistance
Lower weight–high speed
Package
Plastic bag+ Neutral Box+ Plywood CaseOur Advantages
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.
Size avalible from: 50,67,82,97,112,128,148,168,194,214,240,265.
NM coupling characteristics:Quiet and smooth operation.Easy installation and maintenance free. Available to machine with high torque and intermittent operation.
| Packing&Shipping | |
| Package | 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 |
| Shipping |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
About MIGHTY
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 production.
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.
التعليمات
Q: Are you trading company or manufacturer?
A: We are factory.
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock, it is according to quantity.
Q: Do you provide samples ? is it free or extra ?
A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
س: ما هي شروط الدفع الخاصة بكم؟
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
We warmly welcome friends from domestic and abroad come to us for business negotiation and cooperation for mutual benefit.To supply customers excellent quality products with good price and punctual delivery time is our responsibility.
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| قياسي أم غير قياسي: | معيار |
|---|---|
| فتحة العمود: | 19-32 |
| عزم الدوران: | >80 ميلًا بحريًا |
| قطر التجويف: | 19 ملم |
| سرعة: | 4000 دورة/دقيقة |
| Type: | Rigid Coupling |
| أمثلة: |
US$ 0.1/Piece
قطعة واحدة (الحد الأدنى للطلب) | |
|---|
| التخصيص: |
متاح
| طلب مخصص |
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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.
- Misalignment Compensation: 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 in applications with varying operating temperatures?
Yes, flexible couplings can be used in applications with varying operating temperatures. The suitability of a flexible coupling for a specific temperature range depends on its design and the materials used in its construction. Different types of flexible couplings are available to handle a wide range of temperature conditions, making them versatile for use in various industries and environments.
تطبيقات درجات الحرارة العالية:
For applications with high operating temperatures, such as those found in certain industrial processes, exhaust systems, or high-temperature machinery, flexible couplings made from materials with excellent heat resistance are used. These materials may include stainless steel alloys, heat-treated steels, or specialized high-temperature elastomers. High-temperature flexible couplings are designed to maintain their mechanical properties, including flexibility and torque transmission capabilities, even at elevated temperatures.
Low-Temperature Applications:
Conversely, for applications in extremely cold environments or cryogenic processes, flexible couplings constructed from materials with low-temperature resistance are employed. These couplings are designed to remain flexible and functional at very low temperatures without becoming brittle or losing their ability to handle misalignment. Some low-temperature couplings may use special polymers or elastomers with excellent cold-temperature performance.
Temperature Range Considerations:
When selecting a flexible coupling for applications with varying operating temperatures, it is essential to consider the specific temperature range in which the coupling will operate. Some flexible couplings have a wider temperature range, allowing them to function effectively in both high and low-temperature environments. However, in extreme temperature conditions, specialized couplings may be necessary to ensure reliable performance and prevent premature failure.
Manufacturer Guidelines:
Manufacturers of flexible couplings provide guidelines and specifications regarding the temperature range of their products. It is crucial to consult the manufacturer’s documentation to ensure that the chosen coupling is suitable for the intended operating temperature of the application. Using a coupling beyond its recommended temperature range can lead to performance issues, reduced efficiency, or even failure.
Applications:
Flexible couplings with varying temperature resistance find use in numerous industries, including aerospace, automotive, manufacturing, power generation, and more. Whether in high-temperature exhaust systems, low-temperature cryogenic processes, or regular industrial applications with temperature fluctuations, flexible couplings play a vital role in providing reliable power transmission and misalignment compensation.
In summary, flexible couplings can be effectively used in applications with varying operating temperatures, provided that the coupling’s design and material properties align with the specific temperature requirements of the application.
هل يمكنك شرح الأنواع المختلفة لتصميمات الوصلات المرنة المتاحة؟
تتوفر أنواع عديدة من تصميمات الوصلات المرنة، لكل منها بنيتها وخصائصها الفريدة. صُممت هذه الوصلات خصيصًا لتلبية متطلبات تطبيقات محددة ومعالجة أنواع مختلفة من عدم المحاذاة واحتياجات نقل عزم الدوران. فيما يلي بعض أكثر أنواع الوصلات المرنة شيوعًا:
- وصلات الفك: تتكون وصلات الفك من محورين بفكين منحنيين، وجزء مرن من مادة مطاطية بينهما. يعمل هذا الجزء كعنصر مرن، ويعوض عن عدم المحاذاة الزاوية والمتوازية. تُستخدم وصلات الفك على نطاق واسع في مختلف التطبيقات الصناعية نظرًا لتصميمها البسيط وفعاليتها في معالجة عدم المحاذاة وتخميد الاهتزازات.
- وصلات الأقراص: تستخدم وصلات الأقراص أقراصًا معدنية رقيقة مزودة بسلسلة من الشقوق والحواف المتناوبة لربط الأعمدة. يتيح تصميم وصلة القرص تعويضًا ممتازًا عن عدم المحاذاة، بما في ذلك عدم المحاذاة الزاوية والمتوازية والمحورية. وتُعرف وصلات الأقراص بصلابتها الالتوائية العالية وقدرتها على نقل عزم الدوران بدقة.
- وصلات التروس: تتكون وصلات التروس من محاور مسننة متصلة بواسطة غلاف خارجي مزود بأسنان تروس. وهي مناسبة تمامًا للتطبيقات التي تتطلب عزم دوران عالٍ وانحرافًا متوسطًا. توفر وصلات التروس تعويضًا جيدًا للانحراف وقدرة عالية على تحمل عزم الدوران، مما يجعلها شائعة الاستخدام في التطبيقات الصناعية الشاقة.
- وصلات الحزمة: تستخدم وصلات العوارض قطعة واحدة من مادة مرنة، غالباً ما تكون عارضة معدنية، لربط الأعمدة. تتيح مرونة المادة تعويض عدم المحاذاة الزاوية والمحورية. تتميز وصلات العوارض بصغر حجمها وخفة وزنها وانخفاض قصورها الذاتي، مما يجعلها مناسبة للتطبيقات التي تتطلب سرعات عالية.
- وصلات منفاخية: تتكون وصلات المنفاخ من هيكل مرن يشبه المنفاخ يربط بين المحورين. وهي قادرة على تعويض عدم المحاذاة الزاوية والمتوازية والمحورية. وتُعرف وصلات المنفاخ بصلابتها الالتوائية العالية وقدرتها على الحفاظ على نقل سرعة ثابتة.
- وصلات أولدهام: تستخدم وصلات أولدهام ثلاثة أقراص، يحتوي القرص الأوسط منها على فتحة عمودية. يتيح هذا التصميم تعويض عدم المحاذاة الزاوية أثناء نقل عزم الدوران بين المحاور. تُستخدم وصلات أولدهام غالبًا عند الحاجة إلى عزل كهربائي بين الأعمدة.
لكل تصميم من تصاميم الوصلات المرنة مزاياه وعيوبه، ويعتمد الاختيار على عوامل مثل متطلبات عزم الدوران للتطبيق، وظروف عدم المحاذاة، وبيئة التشغيل، والسرعة. ويضمن الاختيار الصحيح لنوع الوصلة الأداء الأمثل والكفاءة والموثوقية في مختلف الأنظمة الميكانيكية والآلات الدوارة.
editor by CX 2024-04-24
