製品説明
製品説明
Cast Iron Spider Rubber Flexible NM 128 water pump Shaft coupling
Cast iron 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.
Cast iron 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 standard code of the pump industry is Bl104. The maximum allowable torque is 850N m, and the maximum shaft diameter is 50mm.
The characteristics of the China Manufactory NM Spider Coupling:
1. It is small in size, light in quality, simple in structure, convenient in installation and low in price. It is often used in small power occasions.
2, the transmission torque is large, and in the same torque, most of the rotary diameter is smaller than the tooth coupling, and it can partly replace the tooth coupling.
3, the inertia force is small, it is suitable for 2 axis connection with little torque, high speed and no sharp impact. The transmission torque of nylon slider is small, but it is more suitable for high-speed operation without lubrication.
製品パラメータ
梱包と配送
All the products can be packed in cartons,or,you can choose the pallet packing.
MADE IN CHINA can be pressed on wooden cases.Land,air,sea transportation are available.UPS,DHL,TNT,
FedEx and EMS are all supported.
会社概要
About Mighty Machinery
ZheJiang Mighty Machinery Co., Ltd., specializes in manufacturing Mechanical Power Transmission Products. After over 13 years hard work, MIGHTY have already get the certificate of ISO9001:2000 and become a holding company for 3 manufacturing factories.
MIGHTY advantage
1, Abundant experience in the mechanical processing industries.
2,Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in time.
3,Now have 5 technical staff, we have strong capacity for design and process design, and more than 70 worker now work in our FTY and double shift eveyday.
4,Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
5,Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.
よくある質問
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2:Do you provide samples ? is it free or extra ?
A: : Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.
Q3: How long is your delivery time?
A: Generally it is 10-15 days if the goods are in stock. Or it is 7-25 days if the goods are not in stock, it is according to quantity.
Q4:How long is your warranty?
A: Our Warranty is 12 month.
Q5 :Do you have inspection procedures for coupling ?
A:100% self-inspection before packing
Q6. What’s your payment?
A:1) 100% T/T. 2) 30% in advance, others before shipment. 3) L/C Q7:Can I have a visit to your factory before the order? A: Sure,welcome to visit our factory.
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| 標準か非標準か： | 標準 |
|---|---|
| トルク： | 25-12500(N.M) |
| スピード： | 1500-8500(R/M) |
| 構造： | Jaw / Spider |
| 材料： | Cast Iron |
| タイプ： | Flexible Coupling |
| サンプル： |
US$ 15.9/Piece
1個（最小注文数） | |
|---|
| カスタマイズ: |
利用可能
| カスタマイズされたリクエスト |
|---|
Are there any safety considerations when using flexible couplings in rotating machinery?
Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:
- Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
- Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
- Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
- Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
- Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
- Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
- Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
- Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.
By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.
特定のシステムに適したフレキシブルカップリングを選ぶ際に考慮すべき要素は何ですか？
特定のシステムに適したフレキシブルカップリングを選択するには、いくつかの要素を慎重に検討する必要があります。考慮すべき主な要素は以下のとおりです。
- 1. ミスアライメント要件： システムで想定されるミスアライメントの種類と大きさを評価してください。カップリングは、角度ミスアライメント、平行ミスアライメント、軸方向ミスアライメントなど、特定の種類のミスアライメントに対応できるように設計されています。早期の摩耗や故障を防ぐため、想定されるミスアライメントに対応できるカップリングを選択してください。
- 2. トルク容量： カップリングが軸間で必要な動力を伝達できるように、必要なトルク容量を決定してください。システムが受ける可能性のある連続トルク負荷とピークトルク負荷の両方を考慮してください。
- 3. 動作速度： システムの回転速度を考慮してください。高速用途では、追加の遠心力とバランス要件に対応できるカップリングが必要になる場合があります。
- 4. 温度範囲： システムの動作温度範囲を考慮してください。機械的特性を損なうことなく、想定される温度に耐えられるカップリング材を選択してください。
- 5．環境と条件： カップリングが使用される環境条件（湿気、化学物質、粉塵、腐食性物質への曝露など）を評価してください。使用環境に適したカップリング材料を選択してください。
- 6. スペースの制約: カップリングの設置場所となるスペースを確認してください。一部のカップリングはコンパクトな設計で、限られたスペースでの設置に適しています。
- 7. 設置とメンテナンス： 設置とメンテナンスの容易さを考慮してください。継手によっては、メンテナンスに特殊工具や分解が必要な場合がありますが、一方で、迅速かつ簡単に設置できるものもあります。
- 8. ねじり剛性： カップリングのねじり剛性を評価してください。柔軟性と剛性のバランスは、ミスアライメントに対応しつつ、過剰なねじり振動を防ぐために不可欠です。
- 9. 衝撃および振動の減衰： 高い衝撃荷重や振動が発生する用途では、過剰な力からシステムを保護するために、優れた減衰特性を持つカップリングを選択してください。
- 10．費用と予算： カップリングの費用をシステム全体の予算と比較してください。メンテナンス費用や交換費用など、長期的なコストへの影響も考慮してください。
最終的に、フレキシブルカップリングの選択は、システムの具体的な要件と動作条件に合致している必要があります。カップリングメーカーやエンジニアリング専門家に相談することで、システムの性能、信頼性、効率性を向上させる最適なカップリングを選択するための貴重な知見を得ることができます。
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 2024-02-07
