Produktbeskrivelse
Flexible Cast Iron Forged Steel Quick Release Nm Coupling with Rubber Element Water Pump Motor Shaft Coupling Nm
NM flexible shaft coupling is a cylindrical pin made of some non-metallic materials, which is placed between the 2 sides of the coupling and the inner surface of the outer ring, and a device to transfer the torque through the column pin to realize the connection between 2 half couplings. NM flexible shaft coupling between the slider made of bakelite cloth or polyurethane, suitable for high speed, large torque, no sharp impact of the 2 connections.
Product brand: EVER-POWER
Name of transmission part: water pump coupling
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
Related products:
Production workshop:
Company information:
| Standard eller ikke-standard: | Standard |
|---|---|
| Akselhull: | 19-32 |
| Dreiemoment: | >80 Nm |
| Boringsdiameter: | 19 mm |
| Fart: | 4000 o/min |
| Struktur: | Fleksibel |
| Prøver: |
US$ 9999/Piece
1 stk (min. bestilling) | |
|---|


Can flexible couplings be used in both horizontal and vertical shaft arrangements?
Yes, flexible couplings can be used in both horizontal and vertical shaft arrangements. The design of flexible couplings allows them to accommodate misalignment and compensate for angular, parallel, and axial displacements between the shafts, making them suitable for various shaft orientations.
Horizontal Shaft Arrangements:
In horizontal shaft arrangements, where the shafts are parallel to the ground or horizontal plane, flexible couplings are commonly used to connect two rotating shafts. These couplings help transmit torque from one shaft to another while accommodating any misalignment that may occur during operation. Horizontal shaft arrangements are common in applications such as pumps, compressors, conveyors, and industrial machinery.
Vertical Shaft Arrangements:
In vertical shaft arrangements, where the shafts are perpendicular to the ground or vertical plane, flexible couplings are also applicable. Vertical shafts often require couplings that can handle the additional weight and forces resulting from gravity. Flexible couplings designed for vertical applications can support the weight of the rotating equipment while allowing for some axial movement to accommodate thermal expansion or other displacements. Vertical shaft arrangements are commonly found in applications such as pumps, gearboxes, turbines, and some marine propulsion systems.
Considerations for Vertical Shaft Arrangements:
When using flexible couplings in vertical shaft arrangements, there are a few additional considerations to keep in mind:
- Thrust Load: Vertical shafts can generate thrust loads, especially in upward or downward direction. The flexible coupling should be selected based on its capacity to handle both radial and axial loads to accommodate these forces.
- Lubrication: Some vertical couplings may require additional lubrication to ensure smooth operation and reduce wear, particularly if they are exposed to high axial loads or extended vertical shafts.
- Support and Bearing: Proper support and bearing arrangements for the vertical shaft are essential to prevent excessive shaft deflection and ensure the flexible coupling functions correctly.
Overall, flexible couplings are versatile and adaptable to various shaft orientations, providing efficient power transmission and misalignment compensation. Whether in horizontal or vertical arrangements, using the appropriate flexible coupling design and considering the specific application requirements will help ensure reliable and efficient operation.

Hvordan påvirker en fleksibel kobling den generelle påliteligheten til tilkoblet utstyr?
En fleksibel kobling påvirker den generelle påliteligheten til tilkoblet utstyr betydelig på flere måter:
- Kompensasjon for feiljustering: Fleksible koblinger kan håndtere både vinkelmessig og parallell feiljustering mellom tilkoblede aksler. Ved å tillate feiljustering reduserer koblingen belastning og slitasje på lagre, tetninger og andre roterende komponenter. Denne funksjonen forhindrer for tidlig svikt i disse komponentene, noe som bidrar til forbedret pålitelighet og forlenget levetid for utstyr.
- Vibrasjonsdemping: Fleksible koblinger har iboende dempende egenskaper på grunn av deres elastomere eller fleksible elementer. Disse elementene absorberer og avleder vibrasjoner som genereres under drift av maskiner. Ved å dempe vibrasjoner beskytter koblingen det tilkoblede utstyret mot overdreven svingning, noe som reduserer utmatting og forhindrer mekaniske feil. Denne forbedrede vibrasjonskontrollen øker systemets pålitelighet.
- Støtdemping: I applikasjoner med plutselige lastvariasjoner eller sjokkbelastninger, som i tunge maskiner eller høyhastighetsutstyr, fungerer en fleksibel kobling som en støtdemper. Den kan absorbere og avlede støtenergien, og beskytte maskineriet mot skader forårsaket av plutselige belastninger. Evnen til å absorbere sjokkbelastninger bidrar til den generelle påliteligheten til det tilkoblede utstyret.
- Redusert slitasje: Fleksibiliteten til koblingen minimerer belastning og slitasje på roterende utstyr. Den tillater små bevegelser og feiljusteringer, noe som reduserer friksjon og belastning på lagre og andre kritiske komponenter. Denne reduksjonen i slitasje reduserer hyppigheten av vedlikehold og utskifting, noe som øker utstyrets generelle pålitelighet.
- Kompensasjon for termisk ekspansjon: Temperaturendringer i maskiner kan føre til termisk utvidelse eller sammentrekning av aksler. En fleksibel kobling kan kompensere for disse termiske effektene, og sikre at maskineriet forblir riktig justert selv når temperaturforholdene svinger. Denne kompensasjonen forhindrer binding og feiljustering, noe som fremmer pålitelig ytelse.
- Beskyttelse mot overbelastning: Fleksible koblinger bidrar til å beskytte tilkoblet utstyr mot overbelastning og torsjonsvibrasjoner. De fungerer som en mekanisk sikring som kobler fra drivlinjen når det oppstår overbelastning, og dermed forhindrer skade på dyrt maskineri. Denne sikkerhetsfunksjonen forbedrer den generelle påliteligheten og reduserer risikoen for katastrofale feil.
- Enkel vedlikehold og justering: Fleksible koblinger er utformet for enkel installasjon og justering. Denne funksjonen forenkler vedlikeholdsprosedyrer, noe som gjør det enklere å inspisere og bytte ut koblinger når det er nødvendig. Riktig justerte koblinger fører til forbedret utstyrsytelse og levetid, noe som øker den generelle påliteligheten.
Ved å kompensere for feiljustering, dempe vibrasjoner, absorbere støtbelastninger, redusere slitasje og gi andre beskyttende funksjoner, forbedrer en fleksibel kobling påliteligheten til tilkoblet utstyr betydelig. Den forlenger levetiden til kritiske komponenter, minimerer nedetid og sikrer jevn og effektiv drift, noe som gjør den til en verdifull komponent i ulike industrielle applikasjoner.

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 2023-09-28