Productbeschrijving
Productbeschrijving
Cast Iron Spider Rubber Flexible NM 128 water pump Shaft coupling
Cast iron 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.
Cast iron 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. The standard code of the pump industry is Bl104. The maximum allowable torque is 850N m, and the maximum shaft diameter is 50mm.
The characteristics of the China Manufactory NM Spider Coupling:
1. It is small in size, light in quality, simple in structure, convenient in installation and low in price. It is often used in small power occasions.
2, the transmission torque is large, and in the same torque, most of the rotary diameter is smaller than the tooth coupling, and it can partly replace the tooth coupling.
3, the inertia force is small, it is suitable for 2 axis connection with little torque, high speed and no sharp impact. The transmission torque of nylon slider is small, but it is more suitable for high-speed operation without lubrication.
Productparameters
Verpakking en verzending
All the products can be packed in cartons,or,you can choose the pallet packing.
MADE IN CHINA can be pressed on wooden cases.Land,air,sea transportation are available.UPS,DHL,TNT,
FedEx and EMS are all supported.
Bedrijfsprofiel
About Mighty Machinery
ZheJiang Mighty Machinery Co., Ltd., specializes in manufacturing Mechanical Power Transmission Products. After over 13 years hard work, MIGHTY have already get the certificate of ISO9001:2000 and become a holding company for 3 manufacturing factories.
MIGHTY advantage
1, Abundant experience in the mechanical processing industries.
2,Large quality of various material purchase and stock in warhouse which ensure the low cost for the material and production in time.
3,Now have 5 technical staff, we have strong capacity for design and process design, and more than 70 worker now work in our FTY and double shift eveyday.
4,Strick quality control are apply in the whole prodution. we have incoming inspection,process inspection and final production inspection which can ensure the perfect of the goods quality.
5,Long time cooperate with the Global Buyer, make us easy to understand the csutomer and handle the export.
Veelgestelde vragen
Q1: Are you trading company or manufacturer ?
A: We are factory.
Q2:Do you provide samples ? is it free or extra ?
A: : Yes, we could offer the sample but not for free.Actually we have a very good price principle, when you make the bulk order then cost of sample will be return to you.
Q3: How long is your delivery time?
A: Generally it is 10-15 days if the goods are in stock. Or it is 7-25 days if the goods are not in stock, it is according to quantity.
Q4:How long is your warranty?
A: Our Warranty is 12 month.
Q5 :Do you have inspection procedures for coupling ?
A:100% self-inspection before packing
Q6. What’s your payment?
A:1) 100% T/T. 2) 30% in advance, others before shipment. 3) L/C Q7:Can I have a visit to your factory before the order? A: Sure,welcome to visit our factory.
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| Standaard of niet-standaard: | Standaard |
|---|---|
| Koppel: | 25-12500(N.M) |
| Snelheid: | 1500-8500(R/M) |
| Structuur: | Jaw / Spider |
| Materiaal: | Gietijzer |
| Type: | Flexible Coupling |
| Voorbeelden: |
US$ 15.9/Piece
1 stuk (minimale bestelling) | |
|---|
| Aanpassing: |
Beschikbaar
| Aanvraag op maat |
|---|
Are there any safety considerations when using flexible couplings in rotating machinery?
Yes, there are several safety considerations to keep in mind when using flexible couplings in rotating machinery. While flexible couplings offer numerous benefits in terms of misalignment compensation, vibration isolation, and shock absorption, improper use or maintenance can lead to safety hazards. Here are some important safety considerations:
- Proper Installation: Ensure that the flexible coupling is installed correctly and securely following the manufacturer’s guidelines. Improper installation can lead to coupling failure, unexpected disconnection, or ejection of coupling components, which may result in equipment damage or injury to personnel.
- Alignment: Proper shaft alignment is essential for the reliable and safe operation of flexible couplings. Misaligned shafts can cause excessive stress on the coupling and connected components, leading to premature wear and possible failure. Regularly check and maintain proper shaft alignment to prevent safety risks.
- Operating Conditions: Consider the environmental and operating conditions of the machinery when selecting a flexible coupling. Some couplings are designed for specific temperature ranges, hazardous environments, or corrosive atmospheres. Using a coupling that is not suitable for the operating conditions can compromise safety and performance.
- Torque and Speed Limits: Always operate the flexible coupling within its specified torque and speed limits. Exceeding these limits can cause coupling failure, leading to unexpected downtime, equipment damage, and potential safety hazards.
- Maintenance: Regularly inspect and maintain the flexible coupling to ensure its continued safe operation. Check for signs of wear, damage, or corrosion, and promptly replace any worn or damaged components with genuine parts from the manufacturer.
- Emergency Stop Mechanism: In applications where safety is critical, consider implementing an emergency stop mechanism to quickly halt machinery operation in case of coupling failure or other emergencies.
- Personal Protective Equipment (PPE): When working with rotating machinery or during maintenance tasks involving couplings, personnel should wear appropriate PPE, such as gloves, eye protection, and clothing that can resist entanglement hazards.
- Training and Awareness: Ensure that personnel working with the machinery understand the potential hazards associated with flexible couplings and receive proper training on safe handling, installation, and maintenance procedures.
By adhering to these safety considerations, operators and maintenance personnel can mitigate potential risks and ensure the safe and reliable operation of rotating machinery with flexible couplings. Additionally, it is essential to comply with relevant safety standards and regulations specific to the industry and application to ensure a safe working environment.
Welke factoren moet je in overweging nemen bij het kiezen van een flexibele koppeling voor een specifiek systeem?
Bij de keuze van de juiste flexibele koppeling voor een specifiek systeem moet zorgvuldig rekening worden gehouden met verschillende factoren. De volgende factoren zijn van belang:
- 1. Uitlijningsvereisten: Bepaal het type en de omvang van de verwachte uitlijningsafwijking in het systeem. Verschillende koppelingen zijn ontworpen om specifieke soorten uitlijningsafwijkingen op te vangen, zoals hoekafwijkingen, parallelle afwijkingen of axiale afwijkingen. Kies een koppeling die de verwachte uitlijningsafwijking aankan om voortijdige slijtage en defecten te voorkomen.
- 2. Koppelcapaciteit: Bepaal het benodigde koppelvermogen van de koppeling om ervoor te zorgen dat deze het vereiste vermogen tussen de assen kan overbrengen. Houd rekening met zowel de continue als de piekkoppelbelastingen waaraan het systeem kan worden blootgesteld.
- 3. Bedrijfssnelheid: Houd rekening met de rotatiesnelheid van het systeem. Bij toepassingen met hoge snelheden zijn mogelijk koppelingen nodig die bestand zijn tegen de extra centrifugale krachten en de evenwichtseisen.
- 4. Temperatuurbereik: Houd rekening met het bedrijfstemperatuurbereik van het systeem. Kies een koppelingsmateriaal dat bestand is tegen de temperaturen die optreden zonder zijn mechanische eigenschappen te verliezen.
- 5. Omgeving en omstandigheden: Evalueer de omgevingsomstandigheden waaronder de koppeling zal worden gebruikt, zoals blootstelling aan vocht, chemicaliën, stof of corrosieve stoffen. Kies een koppelingsmateriaal dat compatibel is met de gebruiksomgeving.
- 6. Ruimtebeperkingen: Beoordeel de beschikbare ruimte voor de installatie van de koppeling. Sommige koppelingen hebben een compact ontwerp, geschikt voor toepassingen met beperkte ruimte.
- 7. Installatie en onderhoud: Houd rekening met het installatie- en onderhoudsgemak. Sommige koppelingen vereisen speciaal gereedschap of demontage voor onderhoud, terwijl andere snel en eenvoudig te installeren zijn.
- 8. Torsiestijfheid: Evalueer de torsiestijfheid van de koppeling. Een evenwicht tussen flexibiliteit en stijfheid is essentieel om overmatige torsietrillingen te voorkomen en tegelijkertijd eventuele uitlijningsfouten op te vangen.
- 9. Schok- en trillingsdemping: Voor toepassingen met hoge schokbelastingen of trillingen, kies een koppeling met uitstekende dempingseigenschappen om het systeem te beschermen tegen overmatige krachten.
- 10. Kosten en budget: Vergelijk de kosten van de koppeling met het totale budget voor het systeem. Houd rekening met de kosten op lange termijn, inclusief onderhouds- en vervangingskosten.
Uiteindelijk moet de keuze voor een flexibele koppeling aansluiten bij de specifieke eisen en bedrijfsomstandigheden van het systeem. Overleg met fabrikanten van koppelingen of technische experts kan waardevolle inzichten opleveren om de optimale koppeling te selecteren die de prestaties, betrouwbaarheid en efficiëntie van het systeem verbetert.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2024-02-07
