Deskripsi Produk
Deskripsi Produk
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.
Aplikasi
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.
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Parameter Produk
Packaging & Shipping
Profil Perusahaan
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.
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| Standar atau Nonstandar: | Standar |
|---|---|
| Lubang Poros: | Disesuaikan |
| Diameter Lubang: | Disesuaikan |
| Struktur: | Fleksibel |
| Bahan: | Steel, Stainless Steel, Cast Iron |
| Insert Material: | Rubber |
| Contoh: |
US$ 1/Buah
1 Buah (Minimum Pemesanan) | |
|---|
| Kustomisasi: |
Tersedia
| Permintaan Khusus |
|---|
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.
How does a flexible coupling impact the overall reliability of connected equipment?
A flexible coupling significantly impacts the overall reliability of connected equipment in several ways:
- Kompensasi Ketidaksejajaran: Flexible couplings can accommodate both angular and parallel misalignment between connected shafts. By allowing for misalignment, the coupling reduces the stress and wear on bearings, seals, and other rotating components. This feature prevents premature failure of these components, contributing to improved reliability and extended equipment lifespan.
- Peredaman Getaran: Flexible couplings possess inherent damping properties due to their elastomeric or flexible elements. These elements absorb and dissipate vibrations generated during the operation of machinery. By dampening vibrations, the coupling protects the connected equipment from excessive oscillations, reducing fatigue and preventing mechanical failures. This enhanced vibration control increases the reliability of the system.
- Shock Load Absorption: In applications with sudden load variations or shock loads, such as in heavy machinery or high-speed equipment, a flexible coupling acts as a shock absorber. It can absorb and dissipate the impact energy, protecting the machinery from damage caused by sudden loads. The ability to absorb shock loads contributes to the overall reliability of the connected equipment.
- Reduced Wear and Tear: The flexibility of the coupling minimizes stress and wear on rotating equipment. It allows for slight movements and misalignments, reducing friction and stress on bearings and other critical components. This reduction in wear and tear lowers the frequency of maintenance and replacement, increasing the overall reliability of the equipment.
- Compensation for Thermal Expansion: Temperature changes in machinery can lead to thermal expansion or contraction of shafts. A flexible coupling can compensate for these thermal effects, ensuring that the machinery remains properly aligned even as temperature conditions fluctuate. This compensation prevents binding and misalignment, promoting reliable performance.
- Protection Against Overloads: Flexible couplings help protect connected equipment from overloads and torsional vibrations. They act as a mechanical fuse, disconnecting the driveline when an overload occurs, thus preventing damage to expensive machinery. This safety feature enhances the overall reliability and reduces the risk of catastrophic failures.
- Easy Maintenance and Alignment: Flexible couplings are designed for easy installation and alignment. This feature simplifies maintenance procedures, making it easier to inspect and replace couplings when necessary. Properly aligned couplings lead to improved equipment performance and longevity, enhancing overall reliability.
By compensating for misalignment, damping vibrations, absorbing shock loads, reducing wear and tear, and providing other protective features, a flexible coupling significantly improves the reliability of connected equipment. It extends the lifespan of critical components, minimizes downtime, and ensures smooth and efficient operation, making it a valuable component in various industrial applications.
Apakah ada keterbatasan atau kekurangan dalam menggunakan kopling fleksibel?
Meskipun kopling fleksibel menawarkan banyak keuntungan, kopling ini juga memiliki beberapa keterbatasan dan kekurangan yang perlu dipertimbangkan saat memilihnya untuk aplikasi tertentu. Berikut adalah beberapa keterbatasan dan kekurangan umum dalam penggunaan kopling fleksibel:
- Kekakuan Torsional: Kopling fleksibel memberikan tingkat fleksibilitas torsi tertentu, yang menguntungkan dalam banyak aplikasi. Namun, dalam sistem yang membutuhkan presisi tinggi dan defleksi sudut minimal, fleksibilitas bawaan kopling mungkin tidak sesuai. Dalam kasus seperti itu, kopling kaku mungkin lebih tepat.
- Keterbatasan pada Aplikasi Torsi Tinggi: Meskipun beberapa kopling fleksibel dapat menangani tingkat torsi sedang hingga tinggi, kopling tersebut mungkin kurang cocok untuk aplikasi dengan torsi yang sangat tinggi. Dalam kasus seperti itu, kopling khusus, seperti kopling roda gigi, mungkin diperlukan untuk menangani kebutuhan torsi yang tinggi.
- Batasan Suhu: Kinerja material sambungan fleksibel tertentu, terutama elastomer dan plastik, dapat dipengaruhi oleh kondisi suhu ekstrem. Suhu tinggi dapat menyebabkan keausan dini dan mengurangi umur pakai sambungan, sedangkan suhu rendah dapat mengakibatkan berkurangnya fleksibilitas dan potensi kerapuhan.
- Kompatibilitas Kimia: Material sambungan fleksibel tertentu mungkin tidak kompatibel dengan bahan kimia atau zat tertentu yang ada di lingkungan aplikasi. Paparan bahan kimia dapat menyebabkan degradasi atau korosi pada material sambungan, yang memengaruhi kinerja dan masa pakainya.
- Instalasi dan Penyelarasan: Kopling fleksibel memerlukan pemasangan dan penyelarasan yang tepat agar berfungsi secara efektif. Jika tidak dipasang dengan benar, masalah ketidaksejajaran dapat terus berlanjut, yang menyebabkan keausan dini dan penurunan kinerja. Menyelaraskan poros secara akurat dapat memakan waktu dan mungkin memerlukan peralatan dan keahlian khusus.
- Biaya: Dalam beberapa kasus, kopling fleksibel mungkin lebih mahal daripada kopling kaku karena desainnya yang lebih kompleks dan penggunaan material khusus. Namun, perbedaan biaya tersebut sering kali dibenarkan oleh manfaat yang ditawarkannya dalam hal kompensasi ketidaksejajaran dan peredaman getaran.
- Masa Pakai: Masa pakai kopling fleksibel dapat bervariasi tergantung pada kondisi aplikasi dan kualitas kopling. Perawatan rutin dan penggantian tepat waktu komponen yang aus atau rusak sangat penting untuk memastikan umur pakai kopling yang panjang dan mencegah kegagalan yang tidak terduga.
Terlepas dari keterbatasan ini, kopling fleksibel tetap menjadi komponen yang sangat berharga dalam berbagai aplikasi, memberikan transmisi torsi yang efisien dan mengkompensasi ketidaksejajaran. Pemilihan, pemasangan, dan perawatan yang tepat dapat membantu mengurangi banyak kekurangan yang terkait dengan kopling fleksibel, memastikan kinerja yang andal dan tahan lama dalam berbagai sistem mekanis.
editor by CX 2024-04-16
