Produktbeskrivning
Produktbeskrivning
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.
Detaljerade foton
Produktparametrar
| Modell | Vridmoment | Max. | Bore Diam | Boss Diam | Outsid Diam | Length | Space&Perm | Vikt | ||
| Nomal | Max | Hastighet | Min | Max | 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 |
Certifieringar
Förpackning och 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
Företagsprofil
ZheJiang Mighty Machinery Co., Ltd. specialiserar sig på tillverkning av mekaniska kraftöverföringsprodukter.
We Mighty är en division/filial av SCMC Group, som är ett helt statligt ägt företag, etablerat 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.
- Strikt kvalitetskontroll tillämpas i hela produktionen. 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.
Våra fördelar
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.
Vanliga frågor
F: Är du ett handelsföretag eller en tillverkare?
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.
F: Hur lång är din leveranstid?
A: 3-5 days via DHL, TNT, UPS, FEDEX.
Diffirent based on the diffirent countries of customers via CHINAMFG shipping.
F: Erbjuder ni prover? Är det gratis eller kostar det extra?
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.
F: Vilka är era betalningsvillkor?
A: T/T, Paypal, L/C, D/P, D/A, Western Union, etc., all decided by customer’s requirements.
| Standard eller icke-standard: | Standard |
|---|---|
| Strukturera: | Flexibel |
| Material: | Cast Iron |
| Typ: | Flexible Coupling |
| Stock Goods Lead Time: | 5-7 Days After Payment |
| Certifiering: | ISO9001:2000 |
| Prover: |
US$ 18.6/Piece
1 styck (minsta beställning) | |
|---|
| Anpassning: |
Tillgänglig
| Anpassad förfrågan |
|---|
Hur skyddar en flexibel koppling ansluten utrustning från stötar och vibrationer?
Flexibla kopplingar spelar en avgörande roll för att skydda ansluten utrustning från stötar och vibrationer genom att tillhandahålla dämpning och isolering. När maskiner eller mekaniska system upplever plötsliga stötar eller vibrationer fungerar den flexibla kopplingen som en buffert, absorberar och avleder stöten, vilket minskar de överförda krafterna och skyddar utrustningen. Så här uppnår flexibla kopplingar detta:
- Dämpning av vibrationer: Flexibla kopplingar tillverkas ofta av material som uppvisar dämpande egenskaper. När vibrationer överförs genom axlarna kan den flexibla kopplingens material absorbera en del av vibrationsenergin och omvandla den till värme. Denna energiavledning hjälper till att minska vibrationernas amplitud och förhindrar att de sprider sig vidare till den anslutna utrustningen.
- Vibrationsisolering: Förutom att dämpa vibrationer erbjuder flexibla kopplingar även en viss grad av vibrationsisolering. De är utformade för att frikoppla de två axlarna, vilket innebär att vibrationer som uppstår på den ena axeln inte överförs direkt till den andra axeln. Denna isoleringseffekt förhindrar att vibrationer sprider sig över hela systemet och minimerar påverkan på känslig utrustning eller närliggande komponenter.
- Stötdämpning: När den anslutna maskinen utsätts för plötsliga stötbelastningar, till exempel vid uppstart eller plötsliga belastningsförändringar, kan den flexibla kopplingen fungera som en stötdämpare. Kopplingens design gör att den deformeras något under stöten, vilket absorberar och fördelar stötenergin. Detta förhindrar att stöten överförs direkt till den anslutna utrustningen, vilket minskar risken för skador eller för tidigt slitage.
- Feljusteringskompensation: Flexibla kopplingar kan kompensera för feljustering mellan axlarna. Feljustering kan leda till ytterligare spänningar och vibrationer i systemet. Genom att tillåta en viss grad av vinkel-, parallell- och axiell feljustering minskar den flexibla kopplingen de krafter som överförs till den anslutna utrustningen och de stödjande strukturerna.
- Minskning av resonanseffekter: Resonans är ett fenomen som uppstår när ett systems naturliga frekvens matchar frekvensen av externa vibrationer, vilket leder till förstärkta vibrationer. Flexibla kopplingar kan bidra till att undvika resonanseffekter genom att ändra systemets naturliga frekvens och ge en viss flexibilitet som dämpar resonansresponsen.
Genom att integrera en flexibel koppling i drivlinan eller kraftöverföringssystemet kan utrustningstillverkare och operatörer avsevärt förbättra tillförlitligheten och livslängden hos anslutna maskiner. Kopplingens förmåga att dämpa vibrationer, isolera stötar och kompensera för feljustering bidrar till en smidigare och stabilare drift, vilket minskar underhållsbehovet och förbättrar systemets totala prestanda.
Sammanfattningsvis fungerar flexibla kopplingar som skyddande element som skyddar ansluten utrustning från stötar och vibrationer. Deras förmåga att dämpa vibrationer, isolera stötar och kompensera för feljustering bidrar till en smidigare och mer tillförlitlig drift av olika mekaniska system.
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.
Sammanfattning:
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:
- 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 2023-10-02
