Produktbeschreibung
V-belt pulley introduce:
V- belt pulley of different types ( according to type and width of belts). The material used is cast iron EN-GJL-250 CHINAMFG EN 1561, and for only a few types it is steel C45 E CHINAMFG EN 10083-1. They have a small prebore that can be machined according to customers' requirements. Moreover the most common types are available also with taperlock bore.
V belt pulley specifications
· European standards :
a) V-belt pulley for taper bushing: SPZ, SPA, SPB, SPC
b) Adjustable speed V-belt pulleys and variable speed pulleys
c) Flat belt pulleys and conveyor belt pulleys
· American standard:
a) Sheaves for taper bushing: 3V, 5V, 8V
b) Sheaves for QD bushings: 3V, 5V, 8V
c) Sheaves for split taper bushing: 3V, 5V, 8V
d) Sheaves for 3L, 4L or A, and 5L or B belts: AK, AKH,2AK, 2AKH, BK, BKH,2BK, 2BKH, 3BK
e) Adjustable sheaves: poly V-pulley, multi-pitch H, L, J, K and M
· Bore: pilot bore, finish bore, taper bore, bore for QD bushing
· Parts can be made according to drawings and/or samples
· we can offer the rang size diameter 62MM~2000MM
Prouducts show:
Our stock show
Our manufacture workshop
Packing show
Catalogue
Häufig gestellte Fragen
Q1. What is your terms of packing?
A: Generally, we pack our goods in single color box. If you have special request about packing, pls negotiate with us in advance, we can pack the goods as your request.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages
before you pay the balance. Other payments terms, pls negotiate with us in advance, we can discuss.
Q3. What is your terms of delivery?
A: EXW, FOB, CFR, CIF.
Q4. How about your delivery time?
A: Generally, it will take 25 to 30 days after receiving your advance payment. The specific delivery time depends
on the items and the quantity of your order.
Q5. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q6. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and
the courier cost.We welcome sample order.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8: How do you make our business long-term and good relationship?
1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
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Certification: | CE, ISO |
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Pulley Sizes: | Type C |
Manufacturing Process: | Casting |
Material: | Carbon Steel |
Surface Treatment: | Polishing |
Anwendung: | Chemical Industry, Grain Transport, Mining Transport, Power Plant |
Proben: |
US$ 1/Piece
1 Stück (Mindestbestellmenge) | |
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Anpassung: |
Verfügbar
| Kundenspezifische Anfrage |
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Wie funktionieren Riemenscheiben in verschiedenen Fahrzeugtypen und Maschinen?
Riemenscheiben spielen in zahlreichen Fahrzeug- und Maschinentypen eine entscheidende Rolle, da sie die Kraftübertragung, die Steuerung mechanischer Systeme und einen effizienten Betrieb ermöglichen. So funktionieren Riemenscheiben in verschiedenen Anwendungen:
1. Automotoren: In Fahrzeugen werden Riemenscheiben häufig im Nebenaggregateantriebssystem des Motors verwendet. Die Kurbelwellenriemenscheibe, auch Schwingungsdämpfer genannt, ist mit der Kurbelwelle des Motors verbunden und treibt verschiedene Nebenaggregate wie den Generator, die Servolenkungspumpe und den Klimakompressor an. Die Riemenscheiben ermöglichen die Übertragung der Drehkraft vom Motor auf diese Nebenaggregate, sodass diese ihre jeweiligen Funktionen erfüllen können.
2. Riemengetriebene Systeme: Riemenscheiben werden häufig in riemengetriebenen Systemen verschiedener Maschinen und Geräte verwendet. Diese Systeme verwenden Riemen, wie Keilriemen oder Zahnriemen, die sich um die Riemenscheiben wickeln, um Kraft zu übertragen. Beispiele hierfür sind Fördersysteme, Industriemaschinen, landwirtschaftliche Geräte und HLK-Systeme. Die Riemenscheiben bieten den notwendigen Halt und die nötige Spannung, um eine effiziente Kraftübertragung und den Betrieb des Antriebssystems zu gewährleisten.
3. Kräne und Hebezeuge: Flaschenzüge sind integrale Bestandteile von Kränen und Hebezeugen und ermöglichen das Anheben und Bewegen schwerer Lasten. Mehrere Flaschenzüge, oft in einer Flaschenzugkonfiguration angeordnet, werden verwendet, um einen mechanischen Vorteil zu erzielen und den zum Anheben der Last erforderlichen Kraftaufwand zu verringern. Durch die Verteilung des Lastgewichts auf mehrere Seil- oder Kabelstränge ermöglichen Flaschenzüge ein kontrolliertes Anheben und präzises Positionieren von Objekten.
4. Baumaschinen: Seilrollen sind in verschiedenen Arten von Baumaschinen zu finden. Beispielsweise werden Seilrollen in Baggern und Kränen in den Drahtseilsystemen zum Heben und Senken des Auslegers, der Schaufel oder anderer Anbaugeräte verwendet. Seilrollen helfen dabei, die bei diesen Vorgängen auftretenden Kräfte zu bewältigen und sorgen für eine gleichmäßige und kontrollierte Bewegung.
5. Aufzüge: Seilrollen sind wesentliche Komponenten in Aufzugssystemen. Aufzugskabinen sind an Stahlkabeln aufgehängt, die über Seilrollen laufen. Diese Seilrollen sind über ein System aus Zahnrädern und Riemenscheiben mit einem Elektromotor verbunden. Wenn der Motor die Seilrollen dreht, bewegt sich die Aufzugskabine nach oben oder unten. Seilrollen in Aufzugssystemen helfen dabei, Kraft effizient zu übertragen und die Stabilität und Sicherheit des vertikalen Transports aufrechtzuerhalten.
6. Trainingsgeräte: Seilzüge werden häufig in Trainingsgeräten und Fitnessgeräten verwendet, um Widerstand zu bieten und einstellbare Widerstandsstufen zu ermöglichen. Durch den Einsatz von Seilzügen mit unterschiedlichen Konfigurationen und Kabelanordnungen können Trainingsgeräte eine Vielzahl von Übungen ermöglichen, die auf bestimmte Muskelgruppen abzielen.
7. Marineanwendungen: Riemenscheiben werden in verschiedenen Marineanwendungen eingesetzt, beispielsweise in Segelbooten und Winden. Riemenscheiben helfen bei der Kontrolle der Bewegung und Spannung von Seilen und Kabeln und ermöglichen Segelanpassungen, das Aufrichten und Absenken von Masten und andere Takelarbeiten.
8. Garagentore: In Garagentormechanismen werden Rollen eingesetzt, um das reibungslose Öffnen und Schließen der Türen zu erleichtern. Sie werden in Verbindung mit Kabeln oder Riemen verwendet und ermöglichen die Kraftübertragung vom Türöffner auf die Tür selbst.
Diese Beispiele zeigen die Vielseitigkeit und Bedeutung von Riemenscheiben in einer Vielzahl von Fahrzeugen und Maschinen. Durch den Einsatz von Riemenscheiben können diese Systeme eine effiziente Kraftübertragung, mechanische Vorteile, kontrollierte Bewegung und verbesserte Funktionalität erreichen.
What is the importance of proper pulley alignment and tensioning?
Proper pulley alignment and tensioning are critical factors in ensuring the efficient and reliable operation of pulley systems. They play a significant role in maximizing power transmission, minimizing wear and tear, and maintaining the overall performance and longevity of the system. Here's the importance of proper pulley alignment and tensioning:
1. Power Transmission Efficiency:
Proper pulley alignment and tensioning ensure optimal power transmission efficiency. When pulleys are misaligned or belts/chains are improperly tensioned, energy is wasted due to increased friction and slippage. This results in decreased power transfer and reduced system efficiency. By aligning the pulleys parallel to each other and applying the correct tension to the belts or chains, the system can achieve maximum power transmission, minimizing energy losses.
2. Belt/Chain Longevity:
Correct pulley alignment and tensioning contribute to the longevity of belts and chains. Misalignment and inadequate tension can cause uneven wear, excessive stretching, and premature failure of the belts or chains. Proper alignment and tension distribute the load evenly across the belts or chains, reducing stress and extending their lifespan. This helps to avoid unplanned downtime, maintenance costs, and the need for frequent belt/chain replacements.
3. Reduced Noise and Vibration:
Improper pulley alignment and tensioning can lead to increased noise and vibration in the system. Misaligned pulleys or loose belts/chains can cause excessive vibration, resulting in noise, equipment damage, and discomfort to operators or nearby personnel. Proper alignment and tensioning help minimize vibration, ensuring quieter operation and a more comfortable working environment.
4. System Reliability and Safety:
Proper alignment and tensioning contribute to the overall reliability and safety of pulley systems. Misaligned pulleys or loose belts/chains can lead to unexpected failures, breakdowns, or accidents. Over-tensioning can also cause excessive stress on components and increase the risk of system failures. By maintaining proper alignment and tension, the system operates within its design parameters, reducing the likelihood of unexpected failures and ensuring the safety of operators and equipment.
5. Improved Performance:
Correct pulley alignment and tensioning enhance the overall performance of the system. Properly tensioned belts or chains provide better grip and traction, allowing for smoother and more precise movement of the driven components. This results in improved speed control, reduced slippage, and enhanced accuracy in applications such as conveyor systems, machine tools, and automotive engines.
6. Maintenance and Cost Savings:
Proper pulley alignment and tensioning can lead to significant maintenance and cost savings. Well-aligned pulleys and correctly tensioned belts or chains experience less wear and require fewer adjustments. This reduces the frequency of maintenance tasks, such as belt/chain replacements, realignments, and re-tensioning. Additionally, by maximizing power transmission efficiency and minimizing wear, proper alignment and tensioning help reduce energy consumption and lower operating costs.
In conclusion, proper pulley alignment and tensioning are crucial for achieving optimal power transmission efficiency, prolonging the lifespan of belts or chains, reducing noise and vibration, ensuring system reliability and safety, improving performance, and realizing maintenance and cost savings. It is essential to follow manufacturer guidelines and perform regular inspections and adjustments to maintain proper alignment and tension in pulley systems.
How do pulleys contribute to load distribution and lifting?
Pulleys play a crucial role in load distribution and lifting by providing mechanical advantage and distributing the load over multiple segments of rope or belt. Here's how pulleys contribute to load distribution and lifting:
1. Mechanical Advantage: Pulleys provide mechanical advantage, which allows for the multiplication of the force applied to the rope or belt. When a force is applied to one end of the rope or belt, it creates tension that causes the pulley to rotate. As the pulley turns, the force is transmitted to the load attached to the other end of the rope or belt. By distributing the load over multiple pulleys, the force required to lift the load is reduced, making it easier to lift heavier objects.
2. Load Sharing: Pulleys enable load sharing among multiple segments of the rope or belt. In systems with multiple pulleys, such as block and tackle arrangements, the load is distributed over several segments of rope or belt. Each segment carries a fraction of the load, reducing the strain on each individual segment. Load sharing ensures that the load is evenly distributed, minimizing the risk of overload or failure in any single segment.
3. Directional Change: Pulleys allow for directional change in the force applied to the load. By redirecting the force along a different path, pulleys enable lifting and moving loads in various directions, including vertically, horizontally, or at an angle. This directional change is particularly useful in situations where the force needs to be applied from a different position or angle than the original force application.
4. Balance and Stability: Pulleys contribute to load distribution and lifting by providing balance and stability. The use of multiple pulleys in a system helps to distribute the load evenly, preventing excessive stress on any single point. This balanced distribution of the load enhances stability and reduces the risk of tipping or imbalance during lifting operations.
5. Control and Precision: Pulleys provide control and precision in load distribution and lifting. By adjusting the tension in the rope or belt, operators can achieve precise positioning and movement of the load. This level of control allows for accurate placement of heavy objects and ensures smooth and controlled lifting operations.
6. Increased Lifting Capacity: By leveraging mechanical advantage and load distribution, pulleys increase the lifting capacity. The mechanical advantage gained through the use of pulleys allows for the lifting of heavier loads with less effort. The load is distributed over multiple segments of rope or belt, reducing the force required to lift the load and enabling the lifting of objects that would otherwise be too heavy to lift manually.
Overall, pulleys contribute to load distribution and lifting by providing mechanical advantage, load sharing, directional change, balance and stability, control and precision, and increased lifting capacity. These contributions make pulleys an essential component in various lifting and load handling applications.
Herausgeber von CX
2024-02-03