China Professional Flat Belt Pulley Block V Timing Belt Pulley crankshaft pulley

Product Description

Flat belt pulley block v timing belt pulley


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
    d) Have many models , cannot show all together here , need to know learn more ,contact us .

500 – 1 x SPZ – 2517 Taper-v-belt pulley
50 – 2 x SPZ – 1008 rü 26 Taper-v-belt pulley
56 – 2 x SPZ – 1108 rü 26 Taper-v-belt pulley
60 – 2 x SPZ – 1108 rü 26 Taper-v-belt pulley
63 – 2 x SPZ – 1108 bü Taper-v-belt pulley
67 – 2 x SPZ – 1108 bü Taper-v-belt pulley
71 – 2 x SPZ – 1108 Taper-v-belt pulley
75 – 2 x SPZ – 1210 bü Taper-v-belt pulley
80 – 2 x SPZ – 1210 bü Taper-v-belt pulley
85 – 2 x SPZ – 1610 bü Taper-v-belt pulley
90 – 2 x SPZ – 1610 bü Taper-v-belt pulley
95 – 2 x SPZ – 1610 bü Taper-v-belt pulley
100 – 2 x SPZ – 1610 bü Taper-v-belt pulley
106 – 2 x SPZ – 1610 bü Taper-v-belt pulley
112 – 2 x SPZ – 1610 bü Taper-v-belt pulley
118 – 2 x SPZ – 1610 bü Taper-v-belt pulley
125 – 2 x SPZ – 1610 bü Taper-v-belt pulley
132 – 2 x SPZ – 1610 bü Taper-v-belt pulley
140 – 2 x SPZ – 1610 bü Taper-v-belt pulley
150 – 2 x SPZ – 2012 bü Taper-v-belt pulley
160 – 2 x SPZ – 2012 bü Taper-v-belt pulley
170 – 2 x SPZ – 2012 bü Taper-v-belt pulley
180 – 2 x SPZ – 2012 bü Taper-v-belt pulley
190 – 2 x SPZ – 2012 bü Taper-v-belt pulley
200 – 2 x SPZ – 2012 bü Taper-v-belt pulley

SPB100-1 1610 0.9 25   25  
SPB106-1 1610 1.1 25   25  
SPB112-1 1610 1.2 25   25  
SPB118-1 1610 1.3 25   25  
SPB125-1 1610 1.5 25   25  
SPB132-1 1610 1.7 25   25  
SPB140-1 1610 1.8 25   25  
SPB150-1 1610 2.1 25   25  
SPB160-1 1610 2.5 25   25  
SPB170-1 1610 2.9 25   25  
SPB180-1 1610 3.2 25   25  
SPB190-1 2012 3.8 25   32 3.5
SPB200-1 2012 4.2 25   32 3.5
SPB212-1 2012 4.3 25   32 3.5
SPB224-1 2012 4.7 25   32 3.5
SPB236-1 2012 5.1 25   32 3.5
SPB250-1 2012 5.7 25   32 3.5
SPB280-1 2012 6 25   32 3.5
SPB300-1 2012 7.1 25   32 7
SPB315-1 2012 7.5 25   32 3.5


1.Q: What is your Trade term ?
A: FOB HangZhou Or HangZhou port
2.Q: Can you offer OEM ?
A: Yes , OEM are always welcomed . Please emial us relevant information .
3.Q: Can I get some samples before placing order ?
A: Yes, We will offer 1-2 pcs samples free of charge . Due to different situation , some samples will be charged . If you need further information about our sample policy , please contact us .
4.Q: What is your MOQ ?
A: MOQ of most our products is 1000 pcs , different items maybe different .
5.Q: How can you ensure the quality inspection?
A: On the order process,we have inspection standard before delivery and will supply you the pictures.

6. Q: What about the lead time for mass production ?
     A: It depends on the order quantity and the season you place the order . In general , our lead time is     about 15~25 days , depends on products

Our service :
Sample service:
-We provide free samples for our existing products range. 
 -Sample and tooling charges need if special design needed, the exact charges depends on  your final design and product. 
-We will return sample charges to you once place an order, and return the tooling charges      once the order quantity reach to certain quantity. 
-It will take 2-3days for free samples.
Customized services:
– We provide OEM and ODM process Service, also Provide product sketch. 
After-sale services:
– For most of our products, we provide one year warranty.If any items broken for unartificial  reason, we can replace the items after having the approve. We guarantee your satisfaction with all our merchandise. The feedbacks will be paid more attentions from customers constant, we will solve the problems timely.

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Certification: ISO
Pulley Sizes: OEM
Manufacturing Process: Casting
Material: Iron
Surface Treatment: Polishing
Application: Chemical Industry, Grain Transport, Mining Transport, Power Plant, OEM
US$ 50/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

flat belt pulley

Can flat belt pulleys be used in both simple and complex mechanical systems?

Flat belt pulleys are versatile components that can be used in both simple and complex mechanical systems. Here’s a detailed explanation:

1. Simple Mechanical Systems:

In simple mechanical systems, flat belt pulleys are often employed for basic power transmission tasks. These systems typically involve a single pulley or a few pulleys connected by a flat belt. Simple systems may include applications such as:

  • Driving conveyor belts in industrial settings
  • Powering agricultural machinery
  • Operating fans and blowers
  • Driving pumps and compressors
  • Transferring power in basic mechanical assemblies

Flat belt pulleys are well-suited for these applications due to their simplicity, ease of installation, and cost-effectiveness. They provide reliable power transmission and can handle moderate loads and speeds.

2. Complex Mechanical Systems:

In complex mechanical systems, flat belt pulleys can be integrated into more intricate setups involving multiple pulleys, shafts, and various components. These systems may have additional features such as:

  • Multiple belts and pulley sets for increased power transmission capacity
  • Tensioning mechanisms for maintaining proper belt tension
  • Idler pulleys for belt routing and improved belt contact
  • Clutches or variable speed drives for adjustable power transmission
  • Overload protection mechanisms

Complex mechanical systems that utilize flat belt pulleys can be found in a wide range of industries and applications. Some examples include:

  • Manufacturing and production lines
  • Automotive assembly plants
  • Printing and packaging machinery
  • Textile manufacturing equipment
  • Material handling systems
  • Industrial automation systems

Flat belt pulleys in complex systems provide precise and efficient power transmission, allowing for the synchronization of multiple components and the control of various operating parameters.

Whether in simple or complex mechanical systems, flat belt pulleys offer advantages such as smooth operation, high efficiency, and the ability to transmit power over long distances. Their versatility makes them suitable for a wide range of applications, from basic setups to advanced and sophisticated machinery.

flat belt pulley

Can flat belt pulleys withstand variations in environmental conditions?

Flat belt pulleys are designed to withstand variations in environmental conditions to a certain extent. Here’s a detailed explanation:

1. Temperature:

Flat belt pulleys can generally tolerate a wide range of temperatures. However, extreme temperatures, either too high or too low, can affect the performance and longevity of the pulleys. High temperatures can cause material expansion, accelerated wear, and deterioration of lubricants, while low temperatures can make materials brittle and increase the risk of cracking or breakage. It’s important to consider the temperature limits specified by the manufacturer and choose materials that can withstand the expected temperature range.

2. Humidity and Moisture:

Flat belt pulleys should be protected from excessive humidity and moisture, as these can lead to corrosion and rust formation, especially in pulleys made of steel or cast iron. Proper sealing, surface treatments, or the use of corrosion-resistant materials can help mitigate the effects of humidity and moisture.

3. Dust and Contaminants:

Accumulation of dust, dirt, or other contaminants on flat belt pulleys can interfere with the belt’s grip, cause slippage, and accelerate wear. Regular cleaning and maintenance are necessary to remove such contaminants and ensure smooth operation.

4. Chemical Exposure:

Flat belt pulleys may encounter various chemicals depending on the application. Some chemicals can degrade the materials used in the pulleys, leading to reduced strength, increased wear, and failure. It’s important to select materials that are resistant to the specific chemicals present in the environment.

5. UV Exposure:

Exposure to ultraviolet (UV) radiation from sunlight or certain artificial sources can degrade the properties of pulley materials, particularly plastic components. UV-resistant coatings or selecting materials with inherent UV resistance can help mitigate the effects of prolonged UV exposure.

6. Vibrations and Shock:

Flat belt pulleys should be designed to withstand vibrations and shock loads that may be present in the operating environment. Excessive vibrations or shocks can lead to misalignment, increased wear, and premature failure. Proper installation, alignment, and the use of vibration-damping materials can help minimize these effects.

While flat belt pulleys can tolerate variations in environmental conditions, it’s important to assess the specific operating environment and select pulleys and materials accordingly. Adhering to manufacturer guidelines, performing regular inspections, and implementing appropriate maintenance practices can help ensure the longevity and reliable performance of flat belt pulleys in various environmental conditions.

flat belt pulley

What is a flat belt pulley, and how does it function in machinery?

A flat belt pulley is a type of pulley used in machinery that utilizes a flat belt for power transmission. Here’s a detailed explanation:

1. Design and Construction:

A flat belt pulley consists of a cylindrical or disk-shaped body with a flat or slightly concave surface. It is typically made of durable materials such as cast iron, steel, or aluminum. The pulley may have one or more grooves or channels on its surface to accommodate the flat belt, ensuring proper engagement and power transfer.

2. Power Transmission:

The primary function of a flat belt pulley is to transmit power from a driving source, such as an engine or motor, to a driven component in machinery. The flat belt connects the driving pulley (also known as the driver) to the driven pulley (also known as the driven). As the driving pulley rotates, it imparts rotational motion to the flat belt, which in turn transfers the power to the driven pulley. This enables the driven component to perform its intended function.

3. Belt Grip and Traction:

A flat belt pulley provides grip and traction on the flat belt, ensuring efficient power transfer and minimizing slippage. The design of the pulley surface, including any grooves or channels, helps maintain proper belt engagement and prevents the belt from slipping or coming off the pulley during operation. The pulley’s material and surface finish are chosen to optimize friction and traction between the pulley and the belt.

4. Speed and Torque Conversion:

By varying the size of the flat belt pulleys in a machinery system, the rotational speed and torque can be converted according to the desired requirements. The ratio of the pulley diameters determines the speed ratio between the driving and driven components. For example, a larger pulley on the driving side and a smaller pulley on the driven side will result in increased speed at the driven component but reduced torque. This allows for the customization and adaptation of machinery to different operational needs.

5. Tension and Alignment:

A flat belt pulley aids in maintaining proper tension and alignment of the flat belt. Tensioning mechanisms, such as adjustable pulley positions or tensioners, are utilized to ensure optimal tension in the belt. Proper tension prevents slippage and ensures the belt remains tightly engaged with the pulleys. Additionally, flat belt pulleys may incorporate features like crowned surfaces or tracking guides to aid in belt alignment, reducing the risk of misalignment and optimizing power transmission.

6. Maintenance and Replacement:

Regular maintenance and inspection of flat belt pulleys are essential for their proper functioning. It is important to check for wear, damage, or misalignment of the pulley and the flat belt. Any worn or damaged pulleys should be replaced promptly to prevent performance issues and potential failures in the machinery.

In summary, a flat belt pulley is a key component in machinery for power transmission using flat belts. It provides grip and traction, facilitates speed and torque conversion, aids in tension and alignment, and requires regular maintenance to ensure optimal performance.

China Professional Flat Belt Pulley Block V Timing Belt Pulley   crankshaft pulley	China Professional Flat Belt Pulley Block V Timing Belt Pulley   crankshaft pulley
editor by CX


flat pulleys

As one of leading flat pulleys manufacturers, suppliers and exporters of mechanical products, We offer flat pulleys and many other products.

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