توضیحات محصول
High Quality Cast Iron Flexible Coupling Sleeve NM Pump Coupling
توضیحات محصول
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. The maximum allowable torque is 850N m, and the maximum shaft diameter is 50mm.
Our Main Products:
1. Timing Belt Pulley (Synchronous Pulley), Timing Bar, Clamping Plate;
2. Forging, Casting, Stampling Part;
3. V Belt Pulley and Taper Lock Bush; Sprocket, Idler and Plate Wheel;Spur Gear, Bevel Gear, Rack;
4. Shaft Locking Device: could be alternative for Ringfeder, Sati, Chiaravalli, Tollok, etc.;
5. Shaft Coupling: including Miniature couplings, Curved tooth coupling, Chain coupling, HRC coupling,
Normex coupling, Type coupling, GE Coupling, torque limiter, Universal Joint;
6. Shaft Collars: including Setscrew Type, Single Split and Double Splits;
7. Gear & Rack: Spur gear/rack, bevel gear, helical gear/rack.
8. Other customized Machining Parts according to drawings (OEM) Forging, Casting, Stamping Parts.
PACKING
| Packaging | |
| Packing | We use standard export wooden case, carton and pallet, but we can also pack it as per your special requirements. |
OUR COMPANY
ZheJiang Mighty Machinery Co., Ltd. specializes in offering best service and the most competitive price for our customer.
After over 10 years’ hard work, MIGHTY’s business has grown rapidly and become an important partner for oversea clients in the industrial field and become a holding company for 3 manufacturing factories.
MIGHTY’s products have obtained reputation of domestic and oversea customers with taking advantage of technology, management, quality and very competitive price.
Your satisfaction is the biggest motivation for our work, choose us to get high quality products and best service.
OUR FACTORY
سوالات متداول
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.
Q: What is your terms of payment ?
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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| Standard Or Nonstandard: | Standard |
|---|---|
| Shaft Hole: | Standard and Custom |
| Torque: | Standard and Custom |
| Bore Diameter: | Standard and Custom |
| Speed: | Standard and Custom |
| ساختار: | Flexible |
| نمونهها: |
US$ 5/Piece
۱ قطعه (حداقل سفارش) | |
|---|
| سفارشی سازی: |
موجود است
| درخواست سفارشی |
|---|


Can flexible couplings be used in both horizontal and vertical shaft arrangements?
Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.
Horizontal Shaft Arrangements:
In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.
Vertical Shaft Arrangements:
In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.
Considerations for Vertical Shaft Arrangements:
When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:
- Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
- Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
- Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.
Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.

چگونه یک کوپلینگ انعطافپذیر بر قابلیت اطمینان کلی تجهیزات متصل تأثیر میگذارد؟
یک کوپلینگ انعطافپذیر از چندین طریق بر قابلیت اطمینان کلی تجهیزات متصل تأثیر قابل توجهی میگذارد:
- جبران ناهمراستایی: کوپلینگهای انعطافپذیر میتوانند ناهمترازی زاویهای و موازی بین شفتهای متصل را تحمل کنند. با ایجاد امکان ناهمترازی، کوپلینگ تنش و سایش روی یاتاقانها، آببندها و سایر اجزای چرخشی را کاهش میدهد. این ویژگی از خرابی زودرس این اجزا جلوگیری میکند و به بهبود قابلیت اطمینان و افزایش طول عمر تجهیزات کمک میکند.
- میرایی ارتعاش: کوپلینگهای انعطافپذیر به دلیل داشتن عناصر الاستومری یا انعطافپذیر، دارای خواص میرایی ذاتی هستند. این عناصر ارتعاشات ایجاد شده در حین کار ماشینآلات را جذب و دفع میکنند. با کاهش ارتعاشات، کوپلینگ از تجهیزات متصل در برابر نوسانات بیش از حد محافظت میکند، خستگی را کاهش میدهد و از خرابیهای مکانیکی جلوگیری میکند. این کنترل ارتعاش بهبود یافته، قابلیت اطمینان سیستم را افزایش میدهد.
- جذب بار ضربه: در کاربردهایی با تغییرات ناگهانی بار یا بارهای ضربهای، مانند ماشینآلات سنگین یا تجهیزات پرسرعت، یک کوپلینگ انعطافپذیر به عنوان کمکفنر عمل میکند. این کوپلینگ میتواند انرژی ضربه را جذب و مستهلک کند و از ماشینآلات در برابر آسیب ناشی از بارهای ناگهانی محافظت کند. توانایی جذب بارهای ضربهای به قابلیت اطمینان کلی تجهیزات متصل کمک میکند.
- کاهش استهلاک و فرسودگی: انعطافپذیری کوپلینگ، تنش و سایش در تجهیزات دوار را به حداقل میرساند. این امر امکان حرکات و ناهمترازیهای جزئی را فراهم میکند و اصطکاک و تنش روی یاتاقانها و سایر اجزای حیاتی را کاهش میدهد. این کاهش در سایش و پارگی، دفعات تعمیر و نگهداری و تعویض را کاهش میدهد و قابلیت اطمینان کلی تجهیزات را افزایش میدهد.
- جبران انبساط حرارتی: تغییرات دما در ماشین آلات میتواند منجر به انبساط یا انقباض حرارتی شفتها شود. یک کوپلینگ انعطافپذیر میتواند این اثرات حرارتی را جبران کند و تضمین کند که ماشین آلات حتی در صورت نوسان شرایط دما، به درستی تراز باقی میمانند. این جبران از اتصال و عدم تراز جلوگیری میکند و عملکرد قابل اعتمادی را ارتقا میدهد.
- محافظت در برابر اضافه بار: کوپلینگهای انعطافپذیر به محافظت از تجهیزات متصل در برابر اضافه بار و ارتعاشات پیچشی کمک میکنند. آنها به عنوان یک فیوز مکانیکی عمل میکنند و در صورت بروز اضافه بار، خط انتقال نیرو را قطع میکنند و در نتیجه از آسیب به ماشینآلات گرانقیمت جلوگیری میکنند. این ویژگی ایمنی، قابلیت اطمینان کلی را افزایش داده و خطر خرابیهای فاجعهبار را کاهش میدهد.
- تعمیر و نگهداری آسان و تنظیم: کوپلینگهای انعطافپذیر برای نصب و تنظیم آسان طراحی شدهاند. این ویژگی، مراحل تعمیر و نگهداری را ساده میکند و بازرسی و تعویض کوپلینگها را در صورت لزوم آسانتر میسازد. کوپلینگهای تنظیمشدهی مناسب منجر به بهبود عملکرد و طول عمر تجهیزات میشوند و قابلیت اطمینان کلی را افزایش میدهند.
با جبران ناهمراستایی، میرایی ارتعاشات، جذب بارهای ضربهای، کاهش ساییدگی و پارگی و ارائه سایر ویژگیهای محافظتی، یک کوپلینگ انعطافپذیر به طور قابل توجهی قابلیت اطمینان تجهیزات متصل را بهبود میبخشد. این امر طول عمر اجزای حیاتی را افزایش میدهد، زمان از کار افتادگی را به حداقل میرساند و عملکرد روان و کارآمد را تضمین میکند و آن را به یک جزء ارزشمند در کاربردهای مختلف صنعتی تبدیل میکند.

What are the advantages of using flexible couplings in mechanical systems?
Flexible couplings offer several advantages in mechanical systems, making them essential components in various applications. Here are the key advantages of using flexible couplings:
- جبران ناهمراستایی: One of the primary advantages of flexible couplings is their ability to compensate for shaft misalignment. In mechanical systems, misalignment can occur due to various factors such as installation errors, thermal expansion, or shaft deflection. Flexible couplings can accommodate angular, parallel, and axial misalignment, ensuring smooth power transmission and reducing stress on the connected equipment and shafts.
- میرایی ارتعاش: Flexible couplings act as damping elements, absorbing and dissipating vibrations and shocks generated during operation. This feature helps to reduce noise, protect the equipment from excessive wear, and enhance overall system reliability and performance.
- Torsional Flexibility: Flexible couplings provide torsional flexibility, allowing them to handle slight angular and axial deflections. This capability protects the equipment from sudden torque fluctuations, shock loads, and torque spikes, ensuring smoother operation and preventing damage to the machinery.
- Overload Protection: In case of sudden overloads or torque spikes, flexible couplings can absorb and distribute the excess torque, protecting the connected equipment and drivetrain from damage. This overload protection feature prevents unexpected failures and reduces downtime in critical applications.
- Reduce Wear and Maintenance: By compensating for misalignment and damping vibrations, flexible couplings help reduce wear on the connected equipment, bearings, and seals. This results in extended component life and reduced maintenance requirements, leading to cost savings and improved system reliability.
- جبران انبساط حرارتی: In systems exposed to temperature variations, flexible couplings can compensate for thermal expansion and contraction, maintaining proper alignment and preventing binding or excessive stress on the equipment during temperature changes.
- Electric Isolation: Some types of flexible couplings, such as disc couplings, offer electrical isolation between shafts. This feature is beneficial in applications where galvanic corrosion or electrical interference between connected components needs to be minimized.
- Space and Weight Savings: Flexible couplings often have compact designs and low inertia, which is advantageous in applications with space constraints and where minimizing weight is crucial for performance and efficiency.
- Cost-Effectiveness: Flexible couplings are generally cost-effective solutions for power transmission and motion control, especially when compared to more complex and expensive coupling types. Their relatively simple design and ease of installation contribute to cost savings.
In summary, flexible couplings play a vital role in mechanical systems by providing misalignment compensation, vibration damping, overload protection, and torsional flexibility. These advantages lead to improved system performance, reduced wear and maintenance, and enhanced equipment reliability, making flexible couplings a preferred choice in various industrial, automotive, marine, and aerospace applications.


editor by CX 2024-05-02