توضیحات محصول
| 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. |
Detailed Photos
پارامترهای محصول
Contact us to check more series and parameters!
مشخصات شرکت
ZheJiang Mighty Machinery Co., Ltd. specializes in manufacturing mechanical power transmission components. We Mighty is the branch of SCMC Group, a wholly state-owned company, established in 1980.
About us:
-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 material purchase and stock
We ensure both the quality and low cost for material and production.
-Strick quality control
We have strict process inspection and final production inspection to ensure the perfect quality.
-20 years of machinery experience
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 gained good reputation from CHINAMFG customers.
سوالات متداول
1. Are you a trading company or manufacturer?
We are a manufacturer of 20+ years with owning 3+ factories and also do exporting business.
2. What’s your MOQ?
Usually 1 piece for ones in stock.
3. How long is your delivery time?
It takes around 3-5 days for ones in stock and 25 days around for bulk production.
4. Do you offer sample and is that free?
Yes we do.
5. Do you support OEM/ODM?
Yes we do.
6. What is your payment terms?
T/T, Paypal, L/C, D/P, D/A, Western Union, etc. and it’s decided by customers’ requirements.
If you have another question, pls feel free to contact me without hesitation as below:
/* 22 ژانویه 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*&4?)):(.*)
| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | 19-95 |
| Torque: | 2.3-300 |
| Bore Diameter: | 19-95 |
| Speed: | 3000-12500 |
| ساختار: | Flexible |
| سفارشی سازی: |
موجود است
| درخواست سفارشی |
|---|


چگونه یک کوپلینگ انعطافپذیر از تجهیزات متصل در برابر بارهای ضربهای و ارتعاشات محافظت میکند؟
کوپلینگهای انعطافپذیر با فراهم کردن قابلیتهای میرایی و ایزولاسیون، نقش مهمی در محافظت از تجهیزات متصل در برابر بارهای ضربهای و ارتعاشات ایفا میکنند. هنگامی که ماشینها یا سیستمهای مکانیکی بارهای ضربهای یا ارتعاشات ناگهانی را تجربه میکنند، کوپلینگ انعطافپذیر به عنوان یک ضربهگیر عمل میکند، ضربه را جذب و دفع میکند و در نتیجه نیروهای منتقل شده را کاهش داده و از تجهیزات محافظت میکند. در اینجا نحوه دستیابی کوپلینگهای انعطافپذیر به این هدف آورده شده است:
- میرایی ارتعاشات: کوپلینگهای انعطافپذیر اغلب از موادی ساخته میشوند که خاصیت میرایی دارند. هنگامی که ارتعاشات از طریق شفتها منتقل میشوند، ماده کوپلینگ انعطافپذیر میتواند بخشی از انرژی ارتعاشی را جذب کرده و آن را به گرما تبدیل کند. این اتلاف انرژی به کاهش دامنه ارتعاشات کمک کرده و از انتشار بیشتر آنها به تجهیزات متصل جلوگیری میکند.
- ایزولاسیون ارتعاش: کوپلینگهای انعطافپذیر علاوه بر میرایی ارتعاشات، تا حدی ایزولاسیون ارتعاش نیز ارائه میدهند. آنها به گونهای طراحی شدهاند که دو شفت را از هم جدا کنند، به این معنی که ارتعاشات رخ داده در یک شفت مستقیماً به شفت دیگر منتقل نمیشوند. این اثر ایزولاسیون از انتشار ارتعاشات در کل سیستم جلوگیری میکند و تأثیر آن بر تجهیزات حساس یا اجزای مجاور را به حداقل میرساند.
- جذب ضربه: وقتی ماشینآلات متصل، بارهای ضربهای ناگهانی، مانند هنگام راهاندازی یا تغییرات ناگهانی بار، را تجربه میکنند، کوپلینگ انعطافپذیر میتواند به عنوان یک کمکفنر عمل کند. طراحی کوپلینگ به آن اجازه میدهد تا تحت ضربه کمی تغییر شکل دهد و انرژی ضربه را جذب و توزیع کند. این امر از انتقال مستقیم ضربه به تجهیزات متصل جلوگیری میکند و خطر آسیب یا فرسودگی زودرس را کاهش میدهد.
- جبران ناهمراستایی: کوپلینگهای انعطافپذیر قادر به جبران ناهمترازی بین شفتها هستند. ناهمترازی میتواند منجر به تنشها و ارتعاشات اضافی در سیستم شود. کوپلینگ انعطافپذیر با در نظر گرفتن مقداری ناهمترازی زاویهای، موازی و محوری، نیروهای منتقل شده به تجهیزات متصل و سازههای نگهدارنده را کاهش میدهد.
- کاهش اثرات رزونانس: رزونانس پدیدهای است که زمانی رخ میدهد که فرکانس طبیعی یک سیستم با فرکانس ارتعاشات خارجی مطابقت داشته باشد و منجر به ارتعاشات تقویتشده شود. کوپلینگهای انعطافپذیر میتوانند با تغییر فرکانس طبیعی سیستم و ارائه سطحی از انعطافپذیری که پاسخ رزونانس را میرا میکند، به جلوگیری از اثرات رزونانس کمک کنند.
با گنجاندن یک کوپلینگ انعطافپذیر در سیستم انتقال قدرت یا سیستم انتقال قدرت، تولیدکنندگان تجهیزات و اپراتورها میتوانند قابلیت اطمینان و طول عمر ماشینآلات متصل را به طور قابل توجهی بهبود بخشند. توانایی کوپلینگ در کاهش ارتعاشات، ایزوله کردن شوکها و جبران عدم همترازی، به عملکرد روانتر و پایدارتر، کاهش نیازهای تعمیر و نگهداری و افزایش عملکرد کلی سیستم کمک میکند.
به طور خلاصه، کوپلینگهای انعطافپذیر به عنوان عناصر محافظ عمل میکنند و تجهیزات متصل را از بارهای ضربهای و ارتعاشات محافظت میکنند. توانایی آنها در کاهش ارتعاشات، ایزوله کردن شوکها و جبران عدم همترازی، به عملکرد روانتر و قابل اعتمادتر سیستمهای مکانیکی مختلف کمک میکند.

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.
High-Temperature Applications:
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.

Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.


editor by CX 2024-05-06