Productbeschrijving
Ductile Iron Nor-Mex Couplings Size 50/67/82/97/112/128/148/168/194/214/240/265/295/330/370/415/480/575
Productbeschrijving
De NM flexibele askoppeling bestaat uit een cilindrische pen, gemaakt van een niet-metallisch materiaal, die tussen de twee zijden van de koppeling en het binnenoppervlak van de buitenring is geplaatst. Het is tevens een mechanisme dat het koppel via de kolompen overbrengt om de verbinding tussen de twee koppelingshelften te realiseren.
De NM flexibele askoppeling met schuifstuk van bakelietdoek of polyurethaan is geschikt voor hoge snelheden en grote koppels, en voorkomt scherpe schokken tussen de twee verbindingen. Het maximaal toelaatbare koppel bedraagt 850 Nm en de maximale asdiameter is 50 mm.
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. |
| Materiaal | 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
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
Main Products:
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).
Sollicitatie
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.
Veelgestelde vragen
V: Bent u een handelsonderneming of een fabrikant?
A: We are factory.
V: Hoe lang is jullie levertijd?
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: Ja, we kunnen u een gratis monster aanbieden, maar de verzendkosten zijn voor uw rekening.
V: Wat zijn uw betalingsvoorwaarden?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
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
| Standaard of niet-standaard: | Standaard |
|---|---|
| Schachtgat: | 50-218 mm |
| Koppel: | 2.7-300 N.M |
| Boringdiameter: | 7-95 mm |
| Snelheid: | 3000-12500 Rpm |
| Structuur: | Jaw / Spider |
| Voorbeelden: |
US$ 0.1/Piece
1 stuk (minimale bestelling) | |
|---|
| Aanpassing: |
Beschikbaar
| Aanvraag op maat |
|---|


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.

Kunnen flexibele koppelingen zowel voor motor-as- als as-asverbindingen worden gebruikt?
Ja, flexibele koppelingen kunnen in diverse toepassingen zowel voor motor-as- als as-asverbindingen worden gebruikt. De veelzijdigheid van flexibele koppelingen maakt het mogelijk om ze aan te passen aan verschillende soorten verbindingen en te voldoen aan de specifieke eisen van het systeem.
Motor-asverbindingen:
Bij het aansluiten van een motor op een as fungeert een flexibele koppeling als tussenstuk tussen de motoras en de aangedreven as. Flexibele koppelingen worden veelvuldig gebruikt in motoraangedreven systemen om uitlijningsverschillen tussen de motor en de aangedreven belasting op te vangen. In motortoepassingen helpen flexibele koppelingen de belasting en slijtage van de motorlagers te verminderen, waardoor de levensduur van de motor wordt verlengd en de algehele betrouwbaarheid van het systeem wordt verbeterd. Ze fungeren ook als trillingsdempers, waardoor trillingen die van de motor naar de aangedreven as en vervolgens naar de aangesloten apparatuur worden overgebracht, worden geminimaliseerd en een soepelere werking wordt gegarandeerd.
As-asverbindingen:
In veel mechanische systemen, zoals die in de productie-, automatiserings- en krachtoverbrengingsindustrie, zijn as-asverbindingen nodig. Een flexibele koppeling kan de opening tussen twee assen overbruggen en koppel overbrengen, terwijl tegelijkertijd uitlijningsafwijkingen worden opgevangen. Dit type koppeling wordt vaak gebruikt om assen te verbinden die niet perfect zijn uitgelijnd als gevolg van factoren zoals productietoleranties, thermische uitzetting of verzakking van de fundering. Door uitlijningsafwijkingen toe te staan, beschermt de flexibele koppeling de verbonden componenten tegen overmatige spanningen en zorgt deze voor een efficiënte krachtoverbrenging.
Veelzijdigheid en voordelen:
Doordat flexibele koppelingen zowel motor-as- als as-asverbindingen aankunnen, zijn ze veelzijdige oplossingen voor een breed scala aan industriële toepassingen. Enkele voordelen van het gebruik van flexibele koppelingen in deze verbindingen zijn:
- Het minimaliseren van spanning en slijtage op verbonden componenten, zoals lagers en afdichtingen.
- Het compenseren van uitlijningsfouten zorgt voor een soepele krachtoverbrenging.
- Het dempen van trillingen en schokbelastingen, waardoor het risico op mechanische storingen wordt verminderd.
- Het beschermen van apparatuur tegen overmatige krachten en het verhogen van de systeem betrouwbaarheid.
- Vereenvoudiging van installatie- en uitlijningsprocedures, waardoor de stilstandtijd wordt verkort.
- Verbetering van de algehele systeemprestaties en operationele efficiëntie.
Toepassingen:
Flexibele koppelingen vinden toepassing in een breed scala aan industrieën, waaronder de productie, materiaalverwerking, automobielindustrie, lucht- en ruimtevaart, robotica en meer. Of het nu gaat om het verbinden van een motor met een as of het rechtstreeks koppelen van twee assen, flexibele koppelingen spelen een cruciale rol in het verbeteren van de betrouwbaarheid en efficiëntie van roterende machines en mechanische systemen.
Kortom, flexibele koppelingen kunnen effectief dienen als verbindingsstukken voor zowel motor-as- als as-asverbindingen, en bieden essentiële compensatie voor uitlijningsfouten en bescherming voor aangesloten apparatuur in diverse industriële toepassingen.

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 2023-10-23