製品説明
Ductile Iron Nor-Mex Couplings Size 50/67/82/97/112/128/148/168/194/214/240/265/295/330/370/415/480/575
製品説明
NMフレキシブルシャフトカップリングは、非金属材料で作られた円筒形のピンで構成されており、カップリングの両側と外輪の内面の間に配置され、このピンを介してトルクを伝達し、2つのハーフカップリング間の接続を実現する装置です。
NMフレキシブルシャフトカップリングは、ベークライトクロスまたはポリウレタン製のスライダーと連結され、高速、高トルク、衝撃のない2つの接続に適しています。最大許容トルクは850N・m、最大シャフト径は50mmです。
Parameter
| Name of transmission part | water pump coupling |
| Series of Normex couplings | NM 50, NM 67, NM 82, NM 97, NM 112, NM 128, NM 148, NM 168, NM 194, NM 214, NM 240, NM 265, NM 295, NM 330, NM 370, NM 415, NM 480, NM 575. |
| 材料 | cast iron GG25 |
| Bore type | pilot bore, finished bore |
| Surface finish | phosphate coated. |
| Product structure |
it is composed of 2 cast iron claws and a natural rubber inner ring |
| Suitable shaft diameter | 7mm-75mm |
| Suitable motor power | within 60hp / 45KW |
Product features:
1. The maximum torque is 125kgm
2. Stable operation and low noise
3. The product is made of cast iron and cast by precision die casting, so it is not easy to cause fracture during operation
Other Couplings:
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
主な製品：
Timing belt pulleys, timing bars, timing belt clamping plates.
Locking elements and shrink discs: could be alternative for Ringfeder, Sati, Chiaravalli, BEA, KBK, Tollok, etc.
V belt pulleys and taper lock bush.
Sprockets, idler, and plate wheels.
Gears and racks: spur gear, helical gear, bevel gear, worm gear, gear rack.
Shaft couplings: miniature coupling, curved tooth coupling, chain coupling, HRC coupling, normex coupling, FCL coupling, GE coupling, rigid and flexible coupling, jaw coupling, disc coupling, multi-beam coupling, universal joint, torque limiter, shaft collars.
Forging, Casting, Stamping Parts.
Other customized power transmission products and Machining Parts (OEM).
応用
1. Engineering: machine tools, foundry equipments, conveyors, compressors, painting systems, etc.
2. Pharmaceuticals& Food Processing: pulp mill blowers, conveyor in warehouse, agitators, grain, boiler, bakery machine, labeling machine, robots, etc.
3. Agriculture Industries: cultivator, rice winnower tractor, harvester, rice planter, farm equipment, etc.
4. Texitile Mills: looms, spinning, wrappers, high-speed auto looms, processing machine, twister, carding machine, ruler calendar machine, high speed winder, etc.
5. Printing Machinery: newspaper press, rotary machine, screen printer machine, linotype machine offset printer, etc.
6. Paper Industries: chipper roll grinder, cut off saw, edgers, flotation cell and chips saws, etc.
7. Building Construction Machinery: buffers, elevator floor polisher mixing machine, vibrator, hoists, crusher, etc.
8. Office Equipments: typewriter, plotters, camera, money drive, money sorting machine, data storage equipment, etc.
9. Glass and Plastic Industries: conveyor, carton sealers, grinders, creeper paper manufacturing machine, lintec backing, etc.
10. Home Appliances: vacuum cleaner, laundry machine, icecream machine, sewing machine, kitchen equipments, etc.
よくある質問
Q：御社は商社ですか、それとも製造業者ですか？
A：私たちは工場です。
Q：配送にはどれくらい時間がかかりますか？
A：通常、在庫がある場合は5～10日です。在庫がない場合は数量に応じて15～20日かかります。
Q: Do you provide samples ? is it free or extra ?
A：はい、サンプルは無料で提供できますが、送料はお客様のご負担となります。
Q：お支払い条件を教えてください。
A: 支払い額=1000米ドル、30%を前払い、残金は出荷前に支払います。
If you have another question, pls feel free to contact us as below:
Contacts
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.
Any question or inquiry, pls contact us without hesitate, we assure any of your inquiry will get our prompt attention and reply!
Tina Shaw
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| 標準か非標準か： | 標準 |
|---|---|
| Shaft Hole: | 50-218 mm |
| トルク： | 2.7-300 N.M |
| Bore Diameter: | 7-95 mm |
| スピード： | 3000-12500 Rpm |
| 構造： | 顎 / クモ |
| サンプル： |
US$ 0.1/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 |
|---|
How do flexible couplings compare to other types of couplings in terms of performance?
Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:
- Rigid Couplings:
Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.
- Flexible Couplings:
Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.
- Oldham Couplings:
Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.
- Gear Couplings:
Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.
- Disc Couplings:
Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.
- Conclusion:
The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.
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.
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。
editor by CX 2024-03-12
