エバーパワーNMカップリ​​ング株式会社NMフレキシブルカップリングソリューション
営業メール[email protected]

製品説明

製品説明

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.

アプリケーション
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.

Detailed Photos

製品パラメータ

梱包と配送

会社概要

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.

標準か非標準か: 標準
Shaft Hole: Customized
Bore Diameter: Customized
構造: Flexible
材料: Steel, Stainless Steel, Cast Iron
Quality Control: 100% Inspection
サンプル:
US$ 1/Piece
1個(最小注文数)

|
サンプルを請求する

カスタマイズ:
利用可能

|

カスタマイズされたリクエスト

China factory Pump Coupling Normex Series Nm Coupling for Hydraulic Pump 50/67/82/97/112/128/148/168/194/214  nm couplimg

nm結合

What are the maintenance requirements for flexible couplings?

Maintenance of flexible couplings is essential to ensure their reliable and efficient performance over their service life. Proper maintenance helps prevent premature wear, reduces the risk of unexpected failures, and extends the lifespan of the couplings. Here are some key maintenance requirements for flexible couplings:

  • Regular Inspection: Perform regular visual inspections of the flexible couplings to check for signs of wear, damage, or misalignment. Look for cracks, tears, or any other visible issues in the coupling components.
  • Lubrication: Some flexible couplings, especially those with moving parts or sliding surfaces, may require periodic lubrication. Follow the manufacturer’s recommendations regarding the type and frequency of lubrication to ensure smooth operation.
  • Alignment Checks: Misalignment is a common cause of coupling failure. Regularly check the alignment of the connected shafts and adjust as necessary. Proper alignment reduces stress on the coupling and improves power transmission efficiency.
  • Torque Monitoring: Monitoring the torque transmitted through the coupling can help detect any abnormal or excessive loads. If the coupling is subjected to loads beyond its rated capacity, it may lead to premature failure.
  • Environmental Protection: If the couplings are exposed to harsh environmental conditions, take measures to protect them from dust, dirt, moisture, and corrosive substances. Consider using protective covers or seals to shield the couplings from potential contaminants.
  • Temperature Considerations: Ensure that the operating temperature of the flexible coupling is within its designed range. Excessive heat can accelerate wear, while extremely low temperatures may affect the flexibility of certain coupling materials.
  • Replace Worn or Damaged Parts: If any components of the flexible coupling show signs of wear or damage, replace them promptly with genuine replacement parts from the manufacturer.
  • Manufacturer’s Guidelines: Follow the maintenance guidelines provided by the coupling manufacturer. They often include specific maintenance intervals and procedures tailored to the coupling’s design and materials.
  • Training and Expertise: Ensure that maintenance personnel have the necessary training and expertise to inspect and maintain the flexible couplings properly. Improper maintenance practices can lead to further issues and compromise the coupling’s performance.

By adhering to these maintenance requirements, you can maximize the service life of the flexible couplings and minimize the risk of unexpected downtime or costly repairs. Regular maintenance helps maintain the efficiency and reliability of the coupling in various industrial, automotive, and machinery applications.

nm結合

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.

高温用途:

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.

nm結合

フレキシブルカップリングを使用する際の制限事項やデメリットはありますか?

フレキシブルカップリングには多くの利点がありますが、特定の用途に選定する際には考慮すべきいくつかの制限事項と欠点も存在します。以下に、フレキシブルカップリングを使用する際の一般的な制限事項と欠点をいくつか示します。

  • ねじり剛性: フレキシブルカップリングは、ある程度のねじり剛性を備えているため、多くの用途で有利です。しかし、高精度かつ最小限の角度変位が求められるシステムでは、カップリング本来の柔軟性が適さない場合があります。そのような場合は、剛性カップリングの方が適しているかもしれません。
  • 高トルク用途における制限事項: フレキシブルカップリングの中には、中~高トルクに対応できるものもありますが、極めて高トルクの用途には適さない場合があります。そのような場合は、高トルクに対応するために、ギアカップリングなどの特殊なカップリングが必要になることがあります。
  • 温度制限: 特定のフレキシブルカップリング材料、特にエラストマーやプラスチックの性能は、極端な温度条件によって影響を受ける可能性があります。高温はカップリングの早期摩耗や寿命短縮につながる一方、低温は柔軟性の低下や脆化を引き起こす可能性があります。
  • 化学的適合性: 特定のフレキシブルカップリング材は、使用環境に存在する特定の化学物質や物質と適合しない場合があります。化学物質にさらされると、カップリング材の劣化や腐食が発生し、性能や寿命に影響を与える可能性があります。
  • 設置と調整: フレキシブルカップリングは、効果的に機能するために適切な取り付けと位置合わせが必要です。正しく取り付けられていない場合、位置ずれが解消されず、早期摩耗や性能低下につながる可能性があります。シャフトを正確に位置合わせするには時間がかかり、特殊な機器や専門知識が必要となる場合もあります。
  • 料金: 場合によっては、フレキシブルカップリングは、より複雑な設計と特殊な材料の使用により、リジッドカップリングよりも高価になることがあります。しかし、多くの場合、ミスアライメント補正や振動減衰といったメリットによって、その価格差は正当化されます。
  • 耐用年数: フレキシブルカップリングの耐用年数は、使用条件やカップリングの品質によって異なります。カップリングの長寿命化と予期せぬ故障の防止には、定期的なメンテナンスと、摩耗または損傷した部品の適時交換が不可欠です。

こうした制約はあるものの、フレキシブルカップリングは幅広い用途において非常に価値の高い部品であり、効率的なトルク伝達とミスアライメントの補正を実現します。適切な選定、設置、およびメンテナンスを行うことで、フレキシブルカップリングに伴う多くの欠点を軽減し、様々な機械システムにおいて信頼性の高い長期的な性能を確保することができます。

China factory Pump Coupling Normex Series Nm Coupling for Hydraulic Pump 50/67/82/97/112/128/148/168/194/214  nm couplimgChina factory Pump Coupling Normex Series Nm Coupling for Hydraulic Pump 50/67/82/97/112/128/148/168/194/214  nm couplimg
editor by CX 2023-10-17