Produktbeskrivning
Produktbeskrivning
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.
Applikationer
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.
Detaljerade foton
Produktparametrar
Förpackning och frakt
Företagsprofil
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.
Om Mighty:
-3 tillverkningsfabriker, we have 5 technical staff, our FTY have strong capacity for design and process design, and more than 70 workers and double shift eveyday.
-Hög kvalitet på inköp av olika material 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 års erfarenhet av bearbetning. 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 Europa, Amerika och Mellanöstern-marknaden. 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.
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| Standard eller icke-standard: | Standard |
|---|---|
| Axelhål: | Anpassad |
| Borrdiameter: | Anpassad |
| Strukturera: | Flexibel |
| Material: | Steel, Stainless Steel, Cast Iron |
| Insert Material: | Rubber |
| Prover: |
US$ 1/Styck
1 styck (minsta beställning) | |
|---|
| Anpassning: |
Tillgänglig
| Anpassad förfrågan |
|---|
What industries commonly use flexible couplings for power transmission?
Flexible couplings are widely used in various industries for power transmission and motion control applications. Their ability to accommodate misalignment, dampen vibrations, and protect equipment from shock loads makes them valuable components in many industrial processes. Here are some of the industries that commonly utilize flexible couplings:
- Manufacturing: Flexible couplings are extensively used in manufacturing industries such as automotive, aerospace, electronics, and consumer goods production. They play a critical role in transmitting power between motors and various machinery, including conveyor systems, robots, and assembly lines.
- Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, turbines, and generators. They help transfer power in offshore platforms, refineries, pipelines, and drilling operations while compensating for the dynamic nature of these applications.
- Power Generation: Power plants, both conventional and renewable, rely on flexible couplings to transmit power from turbines and generators to electrical generators. They are used in coal-fired, natural gas, nuclear, hydroelectric, and wind power plants.
- Mining: In mining operations, flexible couplings are employed in various equipment, including conveyor systems, crushers, and large industrial pumps. They are designed to withstand the heavy loads and harsh conditions commonly found in mining environments.
- Marine: Flexible couplings are essential in marine propulsion systems, connecting engines to propellers or water jets. They also find use in shipboard machinery, auxiliary systems, and offshore applications.
- Pulp and Paper: The pulp and paper industry relies on flexible couplings in machinery used for wood processing, pulp production, papermaking, and printing processes.
- Chemical and Petrochemical: In chemical plants and petrochemical refineries, flexible couplings are utilized in pumps, mixers, agitators, and other rotating equipment to ensure efficient power transmission and protect sensitive machinery.
- Construction: The construction industry employs flexible couplings in various equipment, such as concrete pumps, cranes, excavators, and drilling machines.
- Water and Wastewater: Flexible couplings are used in water treatment plants, wastewater facilities, and irrigation systems to transfer power between motors and pumps.
- Agriculture: In agricultural machinery, flexible couplings are utilized in tractors, harvesters, and irrigation systems, enabling efficient power transmission and operation.
The versatility and adaptability of flexible couplings make them indispensable components in a wide range of industries, contributing to increased equipment reliability, reduced downtime, and improved overall system performance.
Hur påverkar en flexibel koppling buller- och vibrationsnivåerna i ett mekaniskt system?
En flexibel koppling spelar en avgörande roll för att kontrollera buller- och vibrationsnivåer i ett mekaniskt system. Den kan avsevärt påverka systemets övergripande jämnhet och tysthet, vilket bidrar till förbättrad prestanda och minskat slitage på anslutna komponenter.
Brusreducering:
Flexibla kopplingar hjälper till att minska buller i ett mekaniskt system genom sin inneboende förmåga att dämpa vibrationer. När axlarna i roterande maskiner inte är perfekt uppradade kan det leda till vibrationer som överförs genom hela systemet, vilket resulterar i bullergenerering. Det elastomera eller flexibla elementet i kopplingen fungerar som en vibrationsdämpare, som absorberar och avleder dessa vibrationer. Som ett resultat minskas bullernivåerna i systemet, vilket skapar en tystare driftsmiljö.
Vibrationsdämpning:
Vibrationer i ett mekaniskt system kan leda till ökat slitage på kritiska komponenter, såsom lager, tätningar och kugghjul. Överdrivna vibrationer kan också orsaka resonans och skador på systemet med tiden. Flexibla kopplingar kan effektivt dämpa vibrationer genom att fungera som en buffert mellan driv- och drivaxlarna. Det flexibla elementet absorberar stötar och vibrationer och förhindrar att de sprider sig till andra delar av systemet. Denna vibrationsdämpande förmåga minskar inte bara buller utan skyddar också systemet från potentiella mekaniska fel, vilket förlänger utrustningens livslängd.
Justeringskompensation:
Feljustering mellan axlar är en vanlig orsak till vibrationer och buller i roterande maskiner. Flexibla kopplingar är utmärkta för att kompensera för både vinkel- och parallellfeljustering. Genom att hantera feljustering minskar kopplingen krafterna som verkar på axlarna och minimerar genereringen av vibrationer och buller. Korrekt uppriktning genom användning av en flexibel koppling säkerställer att systemet fungerar smidigt och tyst.
Effekt på utrustningens tillförlitlighet:
Att minska buller- och vibrationsnivåerna har en positiv inverkan på tillförlitligheten hos ansluten utrustning. Lägre vibrationer innebär mindre belastning på lager och andra roterande komponenter, vilket leder till förlängd komponenternas livslängd och minskade underhållsbehov. En tystare driftsmiljö kan också vara avgörande för vissa tillämpningar, till exempel i laboratorier eller precisionstillverkningsprocesser, där överdrivet buller kan störa känsliga uppgifter eller mätningar.
Användningsområden:
Flexibla kopplingar används inom en mängd olika industrier, såsom tillverkning, kraftproduktion, materialhantering, fordonsindustrin, flyg- och rymdindustrin och robotteknik. De används ofta i pumpar, kompressorer, fläktar, transportband och andra roterande maskiner där ljud- och vibrationskontroll är avgörande för smidig och tillförlitlig drift.
Sammanfattning:
En flexibel kopplings förmåga att minska buller och dämpa vibrationer gör den till en viktig komponent i mekaniska system. Genom att kompensera för feljustering och ge vibrationsdämpande egenskaper förbättrar den flexibla kopplingen systemets totala prestanda, minskar bullernivåerna och skyddar ansluten utrustning från överdrivet slitage och mekaniska fel. Att välja rätt typ av flexibel koppling baserat på de specifika applikationskraven kan ha en betydande inverkan på bullerreducering och vibrationskontroll i det mekaniska systemet.
Can you explain the different types of flexible coupling designs available?
There are several types of flexible coupling designs available, each with its unique construction and characteristics. These designs are tailored to meet specific application requirements and address different types of misalignment and torque transmission needs. Here are some of the most common types of flexible couplings:
- Käftkopplingar: Jaw couplings consist of two hubs with curved jaws and an elastomer spider placed between them. The spider acts as a flexible element and can compensate for angular and parallel misalignment. Jaw couplings are widely used in various industrial applications due to their simple design and effectiveness in handling misalignment and vibration damping.
- Skivkopplingar: Disc couplings use thin metallic discs with a series of alternating slits and flanges to connect the shafts. The disc coupling design allows for excellent misalignment compensation, including angular, parallel, and axial misalignment. Disc couplings are known for their high torsional stiffness and precise torque transmission capabilities.
- Växelkopplingar: Gear couplings consist of toothed hubs connected by an external sleeve with gear teeth. They are well-suited for applications with high torque and moderate misalignment. Gear couplings offer good misalignment compensation and high torque capacity, making them popular in heavy-duty industrial applications.
- Balkkopplingar: Beam couplings use a single piece of flexible material, often a metal beam, to connect the shafts. The material’s flexibility allows for angular and axial misalignment compensation. Beam couplings are compact, lightweight, and provide low inertia, making them suitable for applications with high-speed requirements.
- Bälgkopplingar: Bellows couplings consist of a bellows-like flexible structure that connects the two hubs. They can compensate for angular, parallel, and axial misalignment. Bellows couplings are known for their high torsional stiffness and ability to maintain constant velocity transmission.
- Oldham-kopplingar: Oldham couplings use three discs, with the middle one having a perpendicular slot. This design allows for angular misalignment compensation while transmitting torque between the hubs. Oldham couplings are often used when electrical isolation between shafts is required.
Each flexible coupling design has its strengths and limitations, and the choice depends on factors such as the application’s torque requirements, misalignment conditions, operating environment, and speed. Proper selection of the coupling type ensures optimal performance, efficiency, and reliability in various mechanical systems and rotating machinery.
editor by CX 2023-12-25
