V-riempoelie van Chinese fabriek voor conische bussen en Qd-boringtype Spz CZPT SPA Spc gietijzeren wiel met hoge kwaliteit

Productomschrijving

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) V-snaarpoelies met regelbare snelheid en poelies met variabele snelheid              

    c) Vlakke riemschijven en transportbandschijven

·   American standard:  

    a) Sheaves for taper bushing: 3V, 5V, 8V     

    b) Schijven voor QD-bussen: 3V, 5V, 8V    

    c) Sheaves for split taper bushing: 3V, 5V, 8V    

    d) Schoven voor 3L-, 4L- of A- en 5L- of B-riemen: AK, AKH, 2AK, 2AKH, BK, BKH, 2BK, 2BKH, 3BK    

    e) Verstelbare schijven: poly V-poelie, multi-pitch H, L, J, K en 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

Veelgestelde vragen

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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How do pulleys function in various types of vehicles and machinery?

Pulleys play crucial roles in numerous types of vehicles and machinery, enabling the transmission of power, control of mechanical systems, and efficient operation. Here's how pulleys function in various applications:

1. Automotive Engines: In vehicles, pulleys are commonly used in the engine's accessory drive system. The crankshaft pulley, also known as the harmonic balancer, is connected to the engine's crankshaft and drives various accessories such as the alternator, power steering pump, and air conditioning compressor. The pulleys enable the transfer of rotational power from the engine to these accessories, allowing them to perform their respective functions.

2. Belt-Driven Systems: Pulleys are extensively used in belt-driven systems across various machinery and equipment. These systems utilize belts, such as V-belts or timing belts, which wrap around pulleys to transfer power. Examples include conveyor systems, industrial machinery, agricultural equipment, and HVAC systems. The pulleys provide the necessary grip and tension to ensure efficient power transmission and drive system operation.

3. Cranes and Hoists: Pulleys are integral components of cranes and hoists, enabling the lifting and movement of heavy loads. Multiple pulleys, often arranged in a block and tackle configuration, are used to create mechanical advantage, reducing the effort required to lift the load. By distributing the load's weight over multiple strands of rope or cable, pulleys allow for controlled lifting and precise positioning of objects.

4. Construction Equipment: Pulleys are found in various types of construction machinery. For example, in excavators and cranes, pulleys are used in the wire rope systems for lifting and lowering the boom, bucket, or other attachments. Pulleys help in managing the forces involved in these operations, providing smooth and controlled movement.

5. Elevators: Pulleys are essential components in elevator systems. Elevator cars are suspended by steel cables that run over pulleys. These pulleys are connected to an electric motor through a system of gears and sheaves. As the motor rotates the pulleys, the elevator car moves up or down. Pulleys in elevator systems help in efficiently transferring power and maintaining the stability and safety of vertical transportation.

6. Exercise Equipment: Pulleys are widely used in exercise machines and gym equipment to provide resistance and enable adjustable resistance levels. By incorporating pulley systems with different configurations and cable arrangements, exercise equipment can offer a variety of exercises targeting specific muscle groups.

7. Marine Applications: Pulleys are utilized in various marine applications, such as sailboats and winches. Pulleys help in controlling the movement and tension of ropes and cables, enabling sail adjustments, mast raising and lowering, and other rigging operations.

8. Garage Doors: Pulleys are employed in garage door mechanisms to facilitate the smooth opening and closing of the doors. They are used in conjunction with cables or belts, allowing for the transfer of force from the door opener to the door itself.

These examples demonstrate the versatility and importance of pulleys in a wide range of vehicles and machinery. By utilizing pulleys, these systems can achieve efficient power transmission, mechanical advantage, controlled movement, and improved functionality.

Waarom is het belangrijk om de poelie goed uit te lijnen en op spanning te brengen?

Juiste uitlijning en spanning van de katrol zijn cruciale factoren om de efficiënte en betrouwbare werking van katrolsystemen te garanderen. Ze spelen een belangrijke rol bij het maximaliseren van de krachtoverbrenging, het minimaliseren van slijtage en het behouden van de algehele prestaties en levensduur van het systeem. Hier is het belang van juiste uitlijning en spanning van de katrol:

1. Efficiëntie van krachtoverbrenging:

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. Levensduur van de riem/ketting:

Correcte uitlijning en spanning van de poelie dragen bij aan de levensduur van riemen en kettingen. Verkeerde uitlijning en onvoldoende spanning kunnen ongelijkmatige slijtage, overmatige rek en voortijdig falen van de riemen of kettingen veroorzaken. Correcte uitlijning en spanning verdelen de belasting gelijkmatig over de riemen of kettingen, waardoor de spanning wordt verminderd en hun levensduur wordt verlengd. Dit helpt om ongeplande uitvaltijd, onderhoudskosten en de noodzaak voor frequente vervanging van riemen/kettingen te voorkomen.

3. Minder lawaai en trillingen:

Onjuiste uitlijning en spanning van de katrol kan leiden tot meer lawaai en trillingen in het systeem. Verkeerd uitgelijnde katrollen of losse riemen/kettingen kunnen overmatige trillingen veroorzaken, wat resulteert in lawaai, schade aan apparatuur en ongemak voor operators of personeel in de buurt. Juiste uitlijning en spanning helpen trillingen te minimaliseren, wat zorgt voor een stillere werking en een comfortabelere werkomgeving.

4. Systeembetrouwbaarheid en veiligheid:

Juiste uitlijning en spanning dragen bij aan de algehele betrouwbaarheid en veiligheid van katrolsystemen. Verkeerd uitgelijnde katrollen of losse riemen/kettingen kunnen leiden tot onverwachte storingen, defecten of ongelukken. Te veel spanning kan ook leiden tot overmatige spanning op componenten en het risico op systeemstoringen vergroten. Door de juiste uitlijning en spanning te handhaven, werkt het systeem binnen de ontwerpparameters, waardoor de kans op onverwachte storingen wordt verkleind en de veiligheid van operators en apparatuur wordt gewaarborgd.

5. Verbeterde prestaties:

Correcte uitlijning en spanning van de poelie verbeteren de algehele prestaties van het systeem. Correct gespannen riemen of kettingen bieden betere grip en tractie, wat zorgt voor een soepelere en nauwkeurigere beweging van de aangedreven componenten. Dit resulteert in een verbeterde snelheidsregeling, minder slippen en een grotere nauwkeurigheid in toepassingen zoals transportsystemen, machinegereedschappen en automotoren.

6. Onderhoud en kostenbesparing:

Correcte uitlijning en spanning van de poelie kan leiden tot aanzienlijke onderhouds- en kostenbesparingen. Goed uitgelijnde poelies en correct gespannen riemen of kettingen ervaren minder slijtage en vereisen minder aanpassingen. Dit vermindert de frequentie van onderhoudstaken, zoals het vervangen van riemen/kettingen, opnieuw uitlijnen en opnieuw spannen. Bovendien helpen correcte uitlijning en spanning, door de efficiëntie van de krachtoverbrenging te maximaliseren en slijtage te minimaliseren, het energieverbruik te verminderen en de bedrijfskosten te verlagen.

Concluderend zijn de juiste uitlijning en spanning van de katrol cruciaal voor het bereiken van optimale efficiëntie van de krachtoverbrenging, het verlengen van de levensduur van riemen of kettingen, het verminderen van geluid en trillingen, het garanderen van de betrouwbaarheid en veiligheid van het systeem, het verbeteren van de prestaties en het realiseren van onderhouds- en kostenbesparingen. Het is essentieel om de richtlijnen van de fabrikant te volgen en regelmatig inspecties en aanpassingen uit te voeren om de juiste uitlijning en spanning in katrolsystemen te behouden.

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.

redacteur door CX