Productbeschrijving
Features
We are the leading NM Coupling Spider manufacturer, and are specializing in various high quality NM coupling.
1. Material: Cast iron, Rubber.
2. OEM and ODM are available
3. High efficient in transmission
4. Finishing: Painted.
5. High quality with competitive price
6. Different models suitable for your different demands
7. Stock for different bore size on both sides available.
8. Application in wide range of environment.
9. Quick and easy mounting and disassembly.
10. Resistant to oil and electrical insulation.
11. Identical clockwise and anticlockwise rotational characteristics.
12. Small dimension, low weight, high transmitted torque.
13. It has good performance on compensating the misalignment.
14.Coupling Type :NM50,NM67, NM82, NM97, NM12, NM128, NM148,NM168, NM194, NM214
Toepassingen
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.
Availability
Standard coupling
OEM coupling
High Performance
Strong Ultimate tensile strength
Perfect surface treatment
Durable,Flexible
High Quality
Corrosion resistance
Durable, Robust and Reliable
Bad condition resistance
Lower weight–high speed
Pakket
Plastic bag+ Neutral Box+ Plywood Case
Onze voordelen
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.
| Packing&Shipping | |
| Pakket | Standaardverpakking / Pallet of container. Plastic zak in exportdoos, blisterverpakking en tape-and-reel verpakking beschikbaar. Indien klanten specifieke wensen hebben met betrekking tot de verpakking, zullen wij daar graag aan voldoen. |
| Verzenden |
10-20working days ofter payment receipt comfirmed (based on actual quantity). Professional goods shipping forward. |
About MIGHTY
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.
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: Yes, we could offer the sample for free charge but do not pay the cost of freight.
V: Wat zijn uw betalingsvoorwaarden?
A: Payment=1000USD, 30% T/T in advance ,balance before shippment.
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.
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| Standaard of niet-standaard: | Standard or Customized |
|---|---|
| Schachtgat: | 19-32 |
| Koppel: | >80 N.M |
| Boringdiameter: | 19mm |
| Snelheid: | 4000r/M |
| Structuur: | Flexibele |
| Voorbeelden: |
US$ 0/Piece
1 stuk (minimale bestelling) | |
|---|
| Aanpassing: |
Beschikbaar
| Aanvraag op maat |
|---|
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.
Welke invloed heeft een flexibele koppeling op het geluids- en trillingsniveau in een mechanisch systeem?
Een flexibele koppeling speelt een cruciale rol bij het beheersen van het geluids- en trillingsniveau in een mechanisch systeem. Het kan de algehele soepelheid en stilte van de werking van het systeem aanzienlijk beïnvloeden, wat bijdraagt aan betere prestaties en minder slijtage van de aangesloten componenten.
Geluidsreductie:
Flexibele koppelingen helpen het geluid in een mechanisch systeem te verminderen door hun inherente vermogen om trillingen te dempen. Wanneer de assen van roterende machines niet perfect zijn uitgelijnd, kan dit leiden tot trillingen die door het hele systeem worden doorgegeven en geluidsoverlast veroorzaken. Het elastomere of flexibele element van de koppeling fungeert als trillingsdemper, die deze trillingen absorbeert en afvoert. Hierdoor wordt het geluidsniveau in het systeem verlaagd, wat zorgt voor een stillere werkomgeving.
Trillingsdemping:
Trillingen in een mechanisch systeem kunnen leiden tot verhoogde slijtage van kritieke onderdelen, zoals lagers, afdichtingen en tandwielen. Overmatige trillingen kunnen ook resonantie en schade aan het systeem veroorzaken. Flexibele koppelingen kunnen trillingen effectief dempen door als buffer te fungeren tussen de aandrijf- en aangedreven assen. Het flexibele element absorbeert de schokken en trillingen, waardoor deze zich niet naar andere delen van het systeem kunnen verspreiden. Deze trillingsdempende werking vermindert niet alleen het geluid, maar beschermt het systeem ook tegen mogelijke mechanische storingen, waardoor de levensduur van de apparatuur wordt verlengd.
Uitlijningscompensatie:
Uitlijningsfouten tussen assen zijn een veelvoorkomende oorzaak van trillingen en lawaai in roterende machines. Flexibele koppelingen zijn uitermate geschikt voor het compenseren van zowel hoek- als parallelle uitlijningsfouten. Door de uitlijningsfout op te vangen, vermindert de koppeling de krachten die op de assen inwerken en minimaliseert zo de trillingen en het lawaai. Een correcte uitlijning met behulp van een flexibele koppeling zorgt ervoor dat het systeem soepel en stil werkt.
Effect op de betrouwbaarheid van de apparatuur:
Het verlagen van geluids- en trillingsniveaus heeft een positieve invloed op de betrouwbaarheid van aangesloten apparatuur. Lagere trillingen betekenen minder belasting voor lagers en andere roterende onderdelen, wat leidt tot een langere levensduur van de componenten en minder onderhoud. Een stillere werkomgeving kan ook essentieel zijn voor bepaalde toepassingen, zoals in laboratoria of precisieproductieprocessen, waar overmatig lawaai delicate taken of metingen kan verstoren.
Toepassingen:
Flexibele koppelingen vinden toepassing in een breed scala aan industrieën, zoals de productie, energieopwekking, materiaalverwerking, automobielindustrie, lucht- en ruimtevaart en robotica. Ze worden veelvuldig gebruikt in pompen, compressoren, ventilatoren, transportbanden en andere roterende machines waar geluids- en trillingsbeheersing cruciaal zijn voor een soepele en betrouwbare werking.
Samenvatting:
Het vermogen van een flexibele koppeling om geluid te reduceren en trillingen te dempen, maakt het een essentieel onderdeel van mechanische systemen. Door uitlijningsfouten te compenseren en trillingen te dempen, verbetert de flexibele koppeling de algehele systeemprestaties, verlaagt het geluidsniveau en beschermt het aangesloten apparatuur tegen overmatige slijtage en mechanische storingen. De keuze voor het juiste type flexibele koppeling, afgestemd op de specifieke toepassingseisen, kan een aanzienlijke impact hebben op de geluidsreductie en trillingsbeheersing in het mechanische systeem.
Can flexible couplings handle misalignment between shafts?
Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.
Flexible couplings offer the ability to compensate for different types of misalignment, including:
- Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
- Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
- Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.
The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.
It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.
In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.
editor by CX 2024-03-28
