Produktbeskrivelse
Produktbeskrivelse
Chinese Manafacturer Flexible cast iron NM coupling with Rubber Element water pump Shaft coupling NM 194 214
NM type is precisely produced by a special designed synthetic rubber with 2 similar bodies of cast iron. Cast iron flanges: Designed not only for the power transmission but also for protection of flexible rubber.Flexible rubber Application: pumps, fans, coupressors, vehicles, transporting equipments, constructors, cement mixers, tractors, transmission machines, metal working machines, rollers and all other trasmissions.Made of rubber and steel corres are inserted in the teeth so as to provide excellent durability and performance of coupling.
Use:
Mainly used in the mining, metallurgical, cement, chemicals,construction, buiding materials,
electric power, telecommunictions, textiles, and transportation departments.
Such as:
1. conveyor:Belt conveyor,AFC conveyor, chain conveyor, screw conveyor.
2. Pum:Water pump, oil pump, slush pump, etc.
3.Fan: Draft fan, fanner, boil fan, etc.
4. Excator:bucket excavator bucket, wheel excavators .
5. Crane:Tower crane, gantry crande, bridge crane.
6.Others:Various elevators, coal plough, ball mill, crusher, recreation machine.
7.Blender equipment, centrifuger, washer, leather-making machine, machine for recreation
park mixer wire drawing machine.Extruder, dregs crusher of boiler.
8.Plastic feeder, rubber smelling machine, etc.
Detaljerte bilder
Produktparametere
| Modell | Dreiemoment | Max. | Bore Diam | Boss Diam | Outsid Diam | Length | Space&Perm | Vekt | ||
| Nomal | Maks | Fart | Min | Maks | D | OD | L | Tolerance | (kg) | |
| Kg-m | Kg-m | (RPM) | ||||||||
| NM50 | 1.3 | 2.3 | 12500 | 7 | 19 | 33 | 50 | 25 | 2,0 ± 0,5 | 0.48 |
| NM67 | 2.2 | 4 | 10000 | 8 | 28 | 46 | 67 | 30 | 2,5 ± 0,5 | 1.02 |
| NM82 | 5 | 9 | 8000 | 10 | 32 | 53 | 82 | 40 | 3,0 ± 1,0 | 1.88 |
| NM97 | 10.5 | 19 | 7000 | 10 | 42 | 69 | 97 | 50 | 3,0 ± 1,0 | 3.54 |
| NM112 | 16.7 | 30 | 6000 | 14 | 48 | 79 | 112 | 60 | 3,5 ± 1,0 | 5.4 |
| NM128 | 26.7 | 48 | 5000 | 18 | 55 | 90 | 128 | 70 | 3,5 ± 1,0 | 8.1 |
| NM148 | 41.7 | 75 | 4500 | 22 | 65 | 107 | 148 | 80 | 3,5 ± 1,0 | 13.5 |
| NM168 | 69.5 | 125 | 4000 | 28 | 75 | 124 | 168 | 88 | 3,5 ± 1,5 | 19.3 |
| NM194 | 112 | 200 | 3500 | 32 | 85 | 140 | 198 | 100 | 3,5 ± 1,5 | 26.3 |
| NM214 | 167 | 300 | 3000 | 40 | 95 | 158 | 218 | 112 | 4.0±2.0 | 35.7 |
Sertifiseringer
Emballasje og frakt
Package: Standard suitable package / Pallet or container
Polybag inside export carton outside, blister and Tape and reel package available.
If customers have specific requirements for the packaging, we will gladly accommodate
Shipping: 10-20 working days ofter payment receipt comfirmed (based on actual quantity) Packing standard export packing or according to customers demand Professional goods shipping forwarder
Firmaprofil
ZheJiang Mighty Machinery Co., Ltd. spesialiserer seg på produksjon av mekaniske kraftoverføringsprodukter.
We Mighty er avdelingen/grenen til SCMC Group, som er et heleid statseid selskap, etablert i 1980.
Om Mektig:
-3 produksjonsfabrikker, we have 5 technical staff, our FTY have strong capacity for design and process design, and more than 70 workers and double shift eveyday.
-Stor kvalitet på innkjøp av diverse materialer and stock in warhouse which ensure the low cost for the material and production in time.
-Strik kvalitetskontroll gjelder i hele produksjonen. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
-14 års erfaring med maskinering. 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 og Midtøsten-markedet. 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.
Våre fordeler
1,More competitive prices,
2,Shorter delivery date: 35 days.
3,We are the professional manufacturer in the field of Power Trans.Parts,specially for Timing Pulleys.
4,Produce standard and non-standard
5,Strict QC Management:ISO9001:2008,our engineer,Mr.Wang has specialized in the prodcution for over 20 years.
Vanlige spørsmål
Spørsmål: Er du et handelsselskap eller en produsent?
A: We are factory, also do trading company business. Because our company do export 36years, having our own factories, also cooperated with other many factories.
Q:What’s the MOQ?
A:We have not a clear limit,1 or 2pcs is available.
Q: Hvor lang er leveringstiden din?
A: 3-5 days via DHL, TNT, UPS, FEDEX.
Diffirent based on the diffirent countries of customers via CHINAMFG shipping.
Q: Tilbyr dere prøver? Er det gratis eller koster det ekstra?
A:yes,we provide free samples for checking the build quality and real performance of our products,the freight need to be covered by customer.
Q: Hva er betalingsbetingelsene dine?
A: T/T, Paypal, L/C, D/P, D/A, Western Union, etc., all decided by customer’s requirements.
| Standard eller ikke-standard: | Standard |
|---|---|
| Struktur: | Fleksibel |
| Materiale: | Cast Iron |
| Type: | Flexible Coupling |
| Stock Goods Lead Time: | 5-7 Days After Payment |
| Sertifisering: | ISO9001:2000 |
| Prøver: |
US$ 18.6/Piece
1 stk (min. bestilling) | |
|---|
| Tilpasning: |
Tilgjengelig
| Tilpasset forespørsel |
|---|


Hvordan beskytter en fleksibel kobling tilkoblet utstyr mot støtbelastninger og vibrasjoner?
Fleksible koblinger spiller en avgjørende rolle i å beskytte tilkoblet utstyr mot støtbelastninger og vibrasjoner ved å gi demping og isolasjon. Når maskiner eller mekaniske systemer opplever plutselige støtbelastninger eller vibrasjoner, fungerer den fleksible koblingen som en buffer, som absorberer og avleder støtet, og dermed reduserer de overførte kreftene og beskytter utstyret. Slik oppnår fleksible koblinger dette:
- Demping av vibrasjoner: Fleksible koblinger er ofte laget av materialer som har dempende egenskaper. Når vibrasjoner overføres gjennom akslingene, kan materialet i den fleksible koblingen absorbere en del av vibrasjonsenergien og omdanne den til varme. Denne energispredningen bidrar til å redusere amplituden til vibrasjonene og forhindrer at de forplanter seg videre til det tilkoblede utstyret.
- Vibrasjonsisolering: I tillegg til å dempe vibrasjoner, tilbyr fleksible koblinger også en viss grad av vibrasjonsisolering. De er utformet for å frakoble de to akslingene, noe som betyr at vibrasjoner som oppstår på den ene akselen ikke overføres direkte til den andre akselen. Denne isolasjonseffekten forhindrer at vibrasjoner forplanter seg over hele systemet og minimerer påvirkningen på sensitivt utstyr eller komponenter i nærheten.
- Støtdemping: Når det tilkoblede maskineriet opplever plutselige støtbelastninger, for eksempel under oppstart eller brå endringer i belastningen, kan den fleksible koblingen fungere som en støtdemper. Koblingens design gjør at den deformeres litt under støtet, og absorberer og fordeler støtenergien. Dette forhindrer at støtet overføres direkte til det tilkoblede utstyret, noe som reduserer risikoen for skade eller for tidlig slitasje.
- Kompensasjon for feiljustering: Fleksible koblinger er i stand til å kompensere for feiljustering mellom akslene. Feiljustering kan føre til ytterligere belastninger og vibrasjoner i systemet. Ved å tillate en viss grad av vinkelmessig, parallell og aksial feiljustering, reduserer den fleksible koblingen kreftene som overføres til det tilkoblede utstyret og støttestrukturene.
- Reduksjon av resonanseffekter: Resonans er et fenomen som oppstår når den naturlige frekvensen til et system samsvarer med frekvensen til eksterne vibrasjoner, noe som fører til forsterkede vibrasjoner. Fleksible koblinger kan bidra til å unngå resonanseffekter ved å endre systemets naturlige frekvens og gi en viss grad av fleksibilitet som demper resonansresponsen.
Ved å integrere en fleksibel kobling i drivverket eller kraftoverføringssystemet, kan utstyrsprodusenter og operatører forbedre påliteligheten og levetiden til tilkoblede maskiner betydelig. Koblingens evne til å dempe vibrasjoner, isolere støt og kompensere for feiljustering bidrar til en jevnere og mer stabil drift, noe som reduserer vedlikeholdskrav og forbedrer den generelle systemytelsen.
Kort sagt fungerer fleksible koblinger som beskyttende elementer som beskytter tilkoblet utstyr mot støtbelastninger og vibrasjoner. Deres evne til å dempe vibrasjoner, isolere støt og kompensere for feiljustering bidrar til en jevnere og mer pålitelig drift av ulike mekaniske systemer.

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.
High-Temperature Applications:
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.

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:
- Kjevekoblinger: 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.
- Skivekoblinger: 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.
- Girkoblinger: 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.
- Bjelkekoblinger: 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.
- Belgkoblinger: 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-koblinger: 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 2023-10-02